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Gray Scale
Gray Scale
The Gray Scale is a visual tool used in the textile and dyeing industry to evaluate and grade the color change or staining of a fabric after testing (e.g., washing, rubbing, and light exposure). It helps assess how much a fabric’s color has altered or transferred during durability or fastness tests.
Types of Gray Scale:
- Gray Scale for Color Change – Compares the original and tested sample to measure color fading or alteration.
- Gray Scale for Staining – Compares a white adjacent fabric (before and after testing) to assess color transfer or staining.
Rating System :
– Uses a 1 to 5 scale:
– Grade 5: No change or staining (excellent)
– Grade 1: Severe change or heavy staining (poor)
Intermediate grades (like 4–5, 3–4, etc.) are also used for finer evaluation.
Construction :- Each scale includes pairs of gray chips with varying contrast levels to visually match the test results.
Usage Areas:- Textile testing labs- Dyeing and finishing quality control- Standards like ISO, AATCC, and BIS tests
Benefits :
- Standardized Evaluation – Provides a consistent and objective way to assess color change or staining.
- Simple and Quick to Use – Enables rapid visual comparison during fabric testing.
- Widely Accepted – Complies with international standards (ISO, AATCC) for color fastness grading.
- Cost-Effective Tool – Inexpensive yet essential for reliable quality control in textiles.
- Enhances Quality Assurance – Helps detect dyeing or printing issues before bulk production.
- Supports Multiple Tests – Used for evaluating wash fastness, rubbing fastness, perspiration, light exposure, and more.
- Portable and Durable – Easy to carry and long-lasting with proper care.
Features :
- Dual Type Availability – Comes in two types: for Color Change and for Staining.
- 5-Point Grading System – Grades from 1 (poor) to 5 (excellent), with half-step intervals like 4–5, 3–4.
- Standardized Grey Chips – Includes contrasting grey color pairs to match fabric changes accurately.
- Compact Design – Small, portable card or booklet format for easy lab and field use.
- Durable Material – Made from stable, fade-resistant plastic or cardboard for long-term use.
- Compliance with Standards – Follows ISO 105-A02 (Color Change) and ISO 105-A03 (Staining) norms.
- Easy Visual Comparison – Designed for quick side-by-side assessment of fabric before and after testing.
How to Use :
Select the Right Gray Scale – Use Color Change scale to check fading, or staining scale to check color transfer.
- Place the Samples – Lay the untested (original) and tested fabric side by side (for color change)
– Or place the adjacent white fabric next to the gray scale (for staining).
- Match Against Gray Scale Chips – Visually compare the difference between the samples and find the closest matching gray pair on the scale.
- Assign a Grade
– Grade from 1 to 5, where:
– Grade 5 = no change/staining
– Grade 1 = severe change/staining
– Use half-grades like 4–5 if needed.
- Record the Result – Note the grade in your test report as per the test method (e.g., ISO 105).
- Store Properly – Keep the gray scale away from light and moisture to avoid fading.
- Features :
- Dual Type Availability – Comes in two types: for Color Change and for Staining.
- 5-Point Grading System – Grades from 1 (poor) to 5 (excellent), with half-step intervals like 4–5, 3–4.
- Standardized Grey Chips – Includes contrasting grey color pairs to match fabric changes accurately.
- Compact Design – Small, portable card or booklet format for easy lab and field use.
Categories:
- Gray Scale for Color Change – Used to evaluate the degree of color fading or change in a fabric after testing (e.g., washing, light exposure). – Assesses how much the original color has altered.
- Gray Scale for Staining – Used to assess the degree of color transfer from a dyed fabric to an adjacent white fabric during testing (e.g., rubbing, washing).
– Evaluates staining on undyed fabrics.
These two types are essential tools in color fastness testing across textile labs. Want to know which standard tests use each type?
Gray Scale
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Related products
Fabric air permeability tester
Fabric Air Permeability Tester
Fabric air permeability tester
- Accurate Breathability Measurement - Precisely measures how breathable a fabric is, essential for comfort and performance.
- Supports Quality Control - Ensures consistent air permeability in fabric batches, critical for products like PPE, sportswear, and filters.
- Enhances Product Design - Helps in selecting or engineering fabrics with the right airflow properties for specific uses.
- Standard Compliance - Conforms to international testing standards (e.g., ASTM D737, ISO 9237), ensuring global credibility.
- Quick and Reliable Testing - Provides rapid results, increasing lab efficiency and production decision-making speed.
- Wide Material Compatibility - Suitable for woven, nonwoven, knitted fabrics, and even paper or coated materials.
- Improves Functional Performance - Helps optimize products for ventilation, moisture control, and thermal comfort.
- Reduces Product Failure - Identifies underperforming fabrics early, minimizing risks in high-performance applications.
- Digital Display - Shows air permeability readings clearly in units like L/m²/s or cm³/cm²/s.
- Precise Test Head/Clamp - Provides an airtight seal to prevent air leakage and ensure accurate results.
- Adjustable Pressure Settings - Allows testing under various pressure drops (e.g., 10–2500 Pa), depending on fabric type.
- Automatic Airflow Measurement - Built-in sensors or flow meters capture airflow rate automatically for quick analysis.
- Multiple Test Area Sizes - Interchangeable test plates to match different sample sizes and standard requirements.
- Data Logging and Export - Some models include USB or software connectivity for storing and exporting test results.
- Standard Compliance - Conforms to ASTM D737, ISO 9237, BS 5636, DIN 53887, etc.
- Robust Construction - Built with corrosion-resistant materials and durable components for long-term lab use.
- Low Maintenance - Simple cleaning and calibration process for reliable performance.
- Compact and User-Friendly Design - Ideal for lab benches and easy operation with minimal training.
- Prepare the Sample - Cut the fabric sample to the required size (usually circular, e.g., 20 cm²).
- Mount the Sample - Place the fabric securely in the test clamp or holder, ensuring no wrinkles or gaps.
- Set Test Parameters - Adjust the air pressure drop according to the fabric type or standard (e.g., 100 Pa).
- Start the Test - Turn on the air supply and start the airflow through the fabric.
- Read the Measurement - The digital display will show the air permeability value in the selected units.
- Record the Results - Note the readings or export data if the device supports it.
- Repeat if needed - Test multiple samples or areas for accuracy and average the results.
- Clean and Maintain - After testing, clean the clamp and ensure the device is calibrated regularly.
r Permeability Tester
Appliance Range
It is used to TEST the air permeability of various textile fabrics, including industrial fabrics, nonwoven fabrics and other textile products and other breathable materials.
Related Standards
GB / T 5453, GB / T 13764, ISO 9237, ISO 5636, ASTM D737, etc.
Instrument characteristics
1. Automatic sample clamping, automatic nozzle replacement, and quick test.
2. Microcomputer processing, the test results are displayed directly, without manual table calculation;
3. Built-in continuous test mode, the test unit can be switched as needed.
4. Chinese LCD menu operation, configure computer interface.
Technical parameter
1. Range of sample pressure difference: 1 ～ 4000Pa
2. Measurable air permeability: 1 ～ 40,000mm / s
3. Measurement error: ≤ ± 2%
4. Measurable fabric thickness: ≤8mm
5. Test area: 5cm2; 20cm2; 50cm2; 100cm2
Ф50mm (≈19.6cm2)
Ф70mm (≈38.5cm2)
6. Nozzles: 11 in total (automatic replacement of digital setting)
CODE 00 01 02 03 04 05 06 07 08 09 10
DIAφ（mm）
0.8 1.2 2 3 4 6 8 10 12 16 20
7.Data Capacity:≤200 times tests
8.Power Supply：AC220V 50Hz 2KW
9.Weight：80Kg
10.Shape：1250×700×1250mm 
fabric moisture permeability tester
Fabric Moisture Permeability Tester
Fabric Moisture Permeability Tester
Fabric Moisture Permeability Tester
- Upright Cup Method: The fabric covers a cup containing water, and the assembly is placed upright in a controlled environment. After a set duration, the weight loss is measured to determine the WVTR.
- Inverted Cup Method: The fabric is sealed over a cup, which is then inverted and exposed to a controlled environment. The amount of water vapor absorbed by the fabric is measured over time.
- Sweating Hot Plate Test: Simulates human perspiration by measuring the energy required to maintain a constant temperature on a heated plate covered with the fabric, providing insights into the fabric's breathability.
- Multi-Cup Design - Typically includes 6 or more test cups for simultaneous testing of multiple samples.
- Rotating Turntable - Ensures uniform air exposure and consistent vapor transmission across all samples.
- Precision Weighing System- Accurate measurement of weight loss to calculate water vapor transmission rate (WVTR).
- Temperature & Humidity Control - Maintains stable environmental conditions (e.g., 23°C, 50% RH) for reliable results.
- Digital Display or Software Interface - Displays real-time data and test status; advanced models offer data logging and export.
- Compliance with Standards - Supports ASTM E96, ISO 15496, BS 7209, JIS L1099 testing methods.
- Sealed Test Chambers- Prevents external air interference, improving accuracy.
- Corrosion-Resistant Construction - Durable materials suitable for long-term use in lab environments.
- Easy Sample Mounting - Quick and secure fabric placement on test cups with sealing rings.
- Low Maintenance Design- Simplified components for easy cleaning and upkeep.
- Prepare the Test Solution - Fill each test cup with a set amount of water (e.g., 50 ml), or a desiccant if using inverted method.
- Mount the Fabric - Cut the fabric into circular pieces matching the cup size.
- Weigh the Cups - Record the initial weight of each cup with the fabric mounted.
- Place on Turntable - Position all cups on the rotating tray inside the controlled chamber.
- Set Conditions - Close the chamber and maintain temperature (e.g., 23°C) and relative humidity (e.g., 50%) as per test standard.
- Start the Test - Begin rotation (usually ~2 RPM) and let it run for the specified time (often 24 hours).
- Weigh the Cups Again- After the test duration, reweigh the cups to determine weight loss due to moisture vapor passing through the fabric. Calculate WVTR - Use the formula: WVTR = (Weight Loss in grams × 24) / (Test Area in m² × Time in hours) Expressed in g/m²/24h.Clean and Store - Clean cups and components for future use.
Scope of application
It is used to determine the moisture permeability of various fabrics
(including moisture permeable coated fabrics)
and nonwovens such as batting cotton and space cotton.
[Related standards] GB/T12704 ASTM E90 JIS L1099A BS 7209 JIS L1099B (custom) etc.
Instrument characteristics
1. Integrated structure of baking oven and constant temperature and humidity box.
2. Microcomputer control, color touch screen Chinese menu operation.
3. Circulating air velocity 0.2-3m/s digital setting.
4. Imported high-precision temperature and humidity sensor, imported motor drive, ceramic
heating tube heating.
Technical parameters
1.Work mode: Microcomputer control, color touch screen Chinese menu operation, test environment monitoring.
2. Sample box control temperature:15 ~ 40 C, accuracy 0.1 + C, resolution 0.01 C
3. Heat dissipation mode:Air cooling
4. Sample box control humidity:30 ~ 95%, precision + 2%, resolution 0.01%
5. Test chamber humidification:≥300ml/h
6. Accompany oven control temperature: Room temperature to 200 c
7. Test time:1min～999h59min
8. The rate of circulating steam flow:0. 2-3m/s digital setting resolution 0.01m/s
9. Moisture permeability area:2827㎜2（∮60㎜GB）
Optional 3848, 2 (70 70 ASTM)
10. The number of moisture permeable cups.6 (GB) can be replaced by 6 (US standard).
11. Internal dimensions of drying oven:490×400×215mm
12. Power supply:Ac220V 50Hz 6kw
13. Size:930×820×1700mm
14. Weight:350kg 
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Digital Temperature Humidity Meter
Digital Temperature Humidity Meter
Digital Temperature Humidity Meter
Down Feather Fill tester Powerful & Accurate
MB818 Automated Filling Power Meter for Down & Feather Fill Power Testing
Down Feather Fill tester Powerful & Accurate 1
Down Feather Fill Power Test Machine MB818 is a powerful and accurate automated testing instrument designed to measure the fill power of down, feather, and other filling materials. The machine provides reliable test results for quality control and laboratory testing in textile, garment, bedding, and down-product industries. The Down Feather Fill tester Powerful & Accurate 1 is designed to support internationally recognized testing methods and provides convenient operation with an LCD control panel, automatic measurement, selectable testing units, and printer connectivity.The Down Feather Fill Power Test Machine is an advanced laboratory testing instrument designed to determine the filling power of down, feather and other filling materials. The MB818 Automated Filling Power Meter measures the volume occupied by a specified amount of filling material under controlled testing conditions. Fill Power is an important quality parameter used to evaluate the approximate insulation performance and lofting characteristics of down and feather fillings.
The MB818 is suitable for textile laboratories, garment testing laboratories, bedding manufacturers, down and feather processors, quality control departments and research & development facilities. The instrument supports major international testing methods including IDFB-FP, JIS L1903, GB/T 14272 and BS EN 12130.
Product Overview
The MB818 Automated Filling Power Meter features an automated testing system, adjustable sinking speed, controlled air volume and adjustable air blowing time. It is designed to provide convenient and repeatable testing of down and feather filling materials.
The instrument incorporates a strong metal housing, adjustable rubber feet, removable testing-bin and movable testing-bin plate. A built-in blower helps loosen and prepare the test material before measurement. The LCD control panel provides convenient operation and monitoring of the testing process.
Different measuring units can be selected according to the applicable testing method, including mm, cm, l/kg, cubic inch and Japanese standard units. The instrument can also be connected to a printer for test-result documentation.
What is Fill Power of Down Feather Fill tester Powerful & Accurate 1
Fill Power is a volumetric measurement commonly used for down and feather filling materials. It indicates the volume occupied by a specific mass of filling material under defined testing conditions.
Higher-quality down generally has greater lofting ability and can occupy a larger volume with the same mass of material. Therefore, fill power is an important parameter when evaluating down and feather filling materials used in insulated garments, quilts, comforters, sleeping bags and other products.
Accurate measurement of fill power helps manufacturers and laboratories maintain consistent product quality and compare different filling materials under standardized conditions.
Scope of Application
The MB818 Down Feather Fill Power Test Machine is suitable for testing:
- Down filling materials
- Feather filling materials
- Down and feather blends
- Filling materials used in garments
- Quilt and comforter fillings
- Sleeping bag filling materials
- Bedding insulation materials
- Other suitable textile filling materials
It can be used for incoming material inspection, production quality control, laboratory testing, product development and research.
Standard Features of Down Feather Fill tester Powerful & Accurate 1
The MB818 Automated Filling Power Meter provides a combination of automated operation and flexible testing control.
Key features include:
- Modern and professional instrument design
- Strong metal housing
- Adjustable rubber feet for stability
- Movable testing-bin plate
- Removable testing-bin
- Built-in blower for loosening test material
- Adjustable sinking speed
- Adjustable air volume
- Adjustable air blowing time
- Multiple selectable measuring units
- LCD control panel
- Printer connection
- Suitable for laboratory quality control
- Supports multiple international testing methods
Technical Specification of Down Feather Fill tester Powerful & Accurate 1
| Parameter | Specification |
|---|---|
| Model | MB818 |
| Product Type | Automated Filling Power Meter |
| Brand | MEBON |
| Origin | China |
| Sinking Speed | 0–1000 mm/min, adjustable |
| Air Volume | 2–40 l/s, adjustable |
| Air Blowing Time | 0:00–99:59 min, adjustable |
| IDFB-FP Cylinder | Ø288 mm × Minimum 500 mm |
| JIS L1903 Cylinder | Ø290 mm × Minimum 600 mm, Optional |
| GB/T 14272 Cylinder | Ø240 mm × 750 mm, Optional |
| Dimensions | 450 × 500 × 1250 mm |
| Power Supply | 220V, 50Hz / 110V, 60Hz |
| Weight | Approx. 75 kg |
| Control Panel | LCD |
| Printer Connection | Available |
Testing Standards of Down Feather Fill tester Powerful & Accurate 1
The MB818 Down Feather Fill Power Test Machine is designed to support major international testing standards and methods, including:
IDFB-FP
The IDFB-FP method is used for determining the filling power of down and feather materials under specified test conditions.
JIS L1903
The instrument can be configured with an optional testing cylinder for the JIS L1903 method.
GB/T 14272
An optional testing cylinder is available for testing according to GB/T 14272 requirements.
BS EN 12130
BS EN 12130 – Feather and Down – Test Methods – Determination of the Filling Power (Massic Volume) provides a standardized method for determining the filling power of feather and down materials.
Applications of Down Feather Fill tester Powerful & Accurate 1
The MB818 can be used in a wide range of textile and filling-material testing applications.
Down and Feather Industry
The machine can be used to evaluate the filling power of raw and processed down and feather materials before they are used in finished products.
Garment Industry
Manufacturers of down jackets and insulated garments can use fill power testing to evaluate filling materials and maintain consistent product quality.
Bedding Industry
The MB818 is suitable for testing fillings used in quilts, comforters, pillows and other bedding products.
Sleeping Bags
Fill power is an important characteristic of insulation materials used in sleeping bags. The MB818 can assist manufacturers in evaluating filling performance.
Textile Laboratories
Testing laboratories can use the instrument for routine quality control, material comparison, product development and research.
Advantages of Down Feather Fill tester Powerful & Accurate 1
The MB818 offers several practical advantages for laboratory and production testing.
Automated Testing: The automated design reduces manual operations and makes the testing procedure convenient for laboratory users.
Adjustable Testing Parameters: Sinking speed, air volume and blowing time can be adjusted according to testing requirements.
Built-in Blower: The integrated blower helps loosen the filling material before measurement, supporting consistent sample preparation.
Multiple Measuring Units: Users can select different measurement units such as mm, cm, l/kg and cubic inch, including Japanese standard units.
International Standard Support: The machine supports testing methods associated with IDFB-FP, JIS L1903, GB/T 14272 and BS EN 12130.
Strong Construction: The metal housing and adjustable rubber feet provide a stable structure suitable for laboratory use.
Easy Operation: The LCD control panel provides convenient operation and monitoring of test parameters.
Printer Connectivity: The instrument can be connected to a printer for documentation and reporting of test results.
Standard Accessories of Down Feather Fill tester Powerful & Accurate 1
The standard supply includes:
- Main Unit – 01 No.
- IDFB-FP Testing Kit – 01 No.
- Power Cord – 01 No.
- User's Manual – 01 No.
- Inspection & Conformance Certificate – 01 No.
Optional Testing Kits: JIS L1903 and GB/T 14272 testing cylinders are available as optional configurations according to the required testing method.
Why Choose a Down Feather Fill tester Powerful & Accurate 1
Accurate fill power measurement is important for manufacturers and laboratories working with down and feather products. Manual or inconsistent testing can make it difficult to compare materials and maintain consistent quality.
A dedicated Down Feather Fill Power Test Machine provides controlled testing conditions and adjustable parameters for laboratory evaluation. The MB818 combines automated operation, adjustable testing conditions, multiple measurement units and support for international testing methods in one laboratory instrument.
For companies producing down garments, quilts, bedding, sleeping bags or other insulated products, fill power testing can support raw-material inspection, quality assurance and product development.
Suitable for Textile Quality Control
The Down Feather Fill tester Powerful & Accurate is suitable for both laboratory and quality-control environments. Its compact footprint, strong metal construction and user-friendly LCD control panel make it practical for textile testing laboratories and production quality-control departments.
The Down Feather Fill tester Powerful & Accurate machine can be used alongside other textile laboratory instruments to establish a complete quality-control system for down and feather products.
Product Summary of Down Feather Fill tester Powerful & Accurate 1
The Down Feather Fill tester Powerful & Accurate is a professional Automated Filling Power Meter for determining the filling power of down, feather and other suitable filling materials. With adjustable sinking speed, air volume and blowing time, the instrument provides flexible testing conditions for different applications.
With support for IDFB-FP, JIS L1903, GB/T 14272 and BS EN 12130, the MB818 is suitable for textile laboratories, down and feather manufacturers, garment factories, bedding manufacturers, sleeping-bag manufacturers, quality-control departments and research facilities.
Product: Down Feather Fill Power Test Machine Powerful & Accurate Model: MB818 Brand: MEBON Origin: China Main Application: Down & Feather Fill Power Testing Website: MAAM TEX www.maamtexbd.com – Textile Testing & Laboratory Equipment https://maamtexbd.com/product/down-feather-fill-power-test-machine/ www.facebook.com/maamtex
Fiber Oil Fast Extractor
Fiber Oil Fast Extractor
Fiber Oil Fast Extractor
- Sample Preparation: Cut the fabric or fiber into small pieces.
- Solvent Addition: Place the sample into a metal tube and add an appropriate solvent (e.g., petroleum ether, ethyl ether).
- Extraction: Apply weight to the sample to facilitate the dissolution of oils into the solvent.
- Evaporation: The solvent-oil mixture drips onto a heated plate where the solvent evaporates, leaving behind the oil.
- Measurement: Weigh the remaining oil and calculate its percentage relative to the initial sample mass.
- Accurate Oil Content Measurement- Precisely determines oil or finish content in fibers, crucial for quality control.
- Rapid Extraction Process - Delivers fast results, improving lab efficiency and productivity.
- Simultaneous Multi-Sample Testing - Multiple workstations (e.g., 4 at once) reduce testing time for bulk samples.
- Improved Product Quality - Helps maintain consistent oil levels, which affect dyeing, processing, and fabric performance.
- Automatic Operation - Automated pressing and heating reduce manual effort and operator error.
- Digital Monitoring - Built-in timer, temperature control, and oil calculator enhance accuracy and usability.
- Compliance with Standards - Supports industry methods like GB/T 6504-2017, ensuring reliable and standard-compliant results.
- Safe Solvent Handling - Enclosed design minimizes solvent exposure and evaporation loss.
- Multiple Test Stations - Usually equipped with 2 to 4 independent work units for parallel testing.
- Automatic Weight Pressing System - Applies consistent pressure on samples for uniform solvent extraction.
- Microcomputer Temperature Control - Maintains precise heating (typically 90–120°C) with ±1°C accuracy.
- Built-in Timer and Calculator - Allows setting extraction time and calculates oil content directly.
- Solvent Evaporation Plate- Heats and evaporates solvent quickly, leaving only the oil residue.
- Digital Display - Shows time, temperature, and process status for user-friendly operation.
- Compact and Durable Design - Made with corrosion-resistant materials suited for chemical handling.
- Safety Features - Includes overheat protection and enclosed solvent chamber to reduce exposure risk.
- Standard Compliant - Designed to meet GB/T 6504-2017 and similar industry testing standards.
- Prepare the Sample - Cut 5–10 g of fiber or yarn into small pieces and place in the sample tube.
- Add Solvent - Pour a suitable solvent (e.g., petroleum ether) into the tube to cover the sample.
- Apply Weight - Place the extractor's weight or press system onto the sample to aid extraction.
- Start Extraction - Activate the machine. The solvent dissolves the oils and flows to the heating plate.
- Heat for Evaporation - Set the temperature (typically 90–120°C). The solvent evaporates, leaving oil on the plate.
- Measure Oil Content- After drying, weigh the remaining oil. Use the built-in calculator or formula:
- Clean the Unit - After cooling, clean all parts to prepare for the next test.
Fiber Oil Fast Extractor
