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fabric moisture permeability tester
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Fabric Moisture Permeability Tester
Fabric Moisture Permeability Tester
A Fabric Moisture Permeability Tester, also known as a Water Vapor Permeability Tester, is a laboratory instrument designed to measure the rate at which water vapor passes through textile materials. This measurement is crucial for assessing the breathability and comfort of fabrics, especially those used in active wear, outdoor gear, medical textiles, and protective clothing.
Purpose of Fabric Moisture Permeability Tester
The primary function of this tester is to evaluate a fabric’s ability to allow moisture vapor to pass through it, which directly impacts the wearer’s comfort by facilitating sweat evaporation and thermal regulation. High moisture permeability indicates better breathability, making the fabric suitable for applications where moisture management is essential.
Working Principle of Fabric Moisture Permeability Tester
The tester operates by placing a fabric specimen over a container filled with water. Under controlled temperature and humidity conditions, water vapor passes through the fabric over a specified period. The amount of water vapor transmitted is determined by measuring the weight loss of the container, allowing for the calculation of the Water Vapor Transmission Rate (WVTR).
Common Testing Methods
- 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.
Key Specifications of Fabric Moisture Permeability Tester
– Test Cups: Typically 6 to 8 cups, each with a diameter of approximately 83 mm and a depth of 18.5 mm.- Turntable Speed: Approximately 2 revolutions per minute (RPM) to ensure uniform exposure.
– Environmental Conditions: Tests are conducted under controlled temperature (e.g., 23 ± 2°C) and humidity (e.g., 50 ± 5% RH) settings.
– Standards Compliance: Conforms to international standards such as ASTM E96, ISO 15496, BS 7209, and JIS L1099.
✅ Benefits of Fabric Moisture Permeability Tester
– Enhanced Product Development: Provides critical data for designing breathable and comfortable textiles- Quality Assurance: Ensures consistency in fabric performance across different production batches- Regulatory Compliance: Helps manufacturers meet industry standards and certifications.
– Consumer Satisfaction: Contributes to the development of garments that offer better moisture management, leading to increased wearer comfort.
Applications of Fabric Moisture Permeability Tester
– Active wear and Sportswear: Assessing fabrics for athletic performance and comfort.
– Outdoor and Protective Clothing: Ensuring materials provide adequate breathability while offering protection. Medical Textiles: Evaluating materials used in healthcare settings for moisture management.
– Technical and Industrial Textiles: Testing specialized fabrics used in various industrial applications.
Features of fabric moisture permeability tester
- 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.
How to Use Fabric Moisture Permeability Tester (Cup Method):
- 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.
– Securely seal each fabric over the cup opening with a gasket and ring to prevent leakage.
- 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.
fabric moisture permeability tester
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
Description
Shipping & Delivery
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Hydraulic GSM Cutter
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Hydraulic GSM Cutter
- High Cutting Precision - Ensures consistent and accurate fabric sample size for reliable GSM results.
- Effortless Operation- Hydraulic action reduces manual effort and operator fatigue.
- Ideal for Thick or Multi-Layer Fabrics - Cuts through dense or multiple fabric layers cleanly.
- Time-Saving - Speeds up the sample preparation process, especially for high-volume testing.
- Improves Test Accuracy - Uniform samples help eliminate errors in GSM calculation.
- Durable and Long-Lasting - Robust construction ensures stability and extended service life.
- Safety Enhancement - Reduces risk of injury compared to manual rotary cutters.
- Consistent Pressure Application - Hydraulic mechanism maintains steady force for each cut.
- Hydraulic Press Mechanism - Applies consistent and strong pressure for clean, even cuts.
- Standard Cutting Die (100 cm²) - Produces fabric samples suitable for GSM testing with standard area.
- Heavy-Duty Construction - Built with robust metal frame for long-term lab or industrial use.
- Sharp Stainless Steel Blades - Durable and replaceable blades ensure smooth, precise cuts.
- Cutting Pad Included - Comes with a rubber or nylon base to protect blades and ensure clean edges.
- Simple Lever or Button Operation - Easy to use with minimal training required.
- Non-slip Base - Provides stability during operation for safe, accurate cutting.
- Supports Various Fabric Types
- Place the Cutting Pad - Lay the rubber or nylon cutting pad on a flat surface.
- Position the Fabric - Place the fabric sample flat and smooth on the cutting pad.
- Align the Cutter - Position the GSM cutter die over the desired area of the fabric.
- Activate Hydraulic Press - Pull the lever or press the button to apply hydraulic pressure and cut the sample.
- Remove the Sample - Lift the cutter and carefully take out the circular fabric piece (usually 100 cm²).
- Weigh the Sample - Place the cut sample on a precision balance or GSM scale to determine weight.
- Calculate GSM - Multiply the sample weight (in grams) by 100 to get GSM.
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Spray Rating Tester
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- Quick and Simple Evaluation - Offers a fast way to assess fabric water repellency without complex setup.
- Standardized Testing- Complies with AATCC 22 and ISO 4920, ensuring globally accepted results.
- Cost-Effective- Low maintenance and no power requirement make it economical for routine lab use.
- Improves Fabric Performance - Helps manufacturers develop or improve water-resistant textiles.
- Non-Destructive Test - Does not damage the fabric, allowing for additional tests on the same sample.
- Visual Grading- Easy to interpret using a standard spray rating chart (0 to 100 scale).
- Supports Quality Control - Detects finish degradation or variation in water-repellent treatments.
- Portable and Compact- Lightweight design allows easy use in various lab or field settings.
- Standardized Spray Nozzle - Delivers consistent water spray per AATCC and ISO specifications.
- 45° Specimen Mounting Angle - Ensures uniform test setup for accurate and repeatable results.
- Stainless Steel or Aluminum Frame - Corrosion-resistant and durable for long-term use with water exposure.
- Water Reservoir and Funnel System - Provides precise water volume (usually 250 ml) for each test.
- Graduated Spray Stand- Fixed height (150 mm above specimen) for controlled spray impact.
- Detachable Specimen Holder- Easy loading and removal of fabric samples.
- Compact and Lightweight Design - Portable and convenient for both lab and field testing.
- No Electricity Required - Fully manual operation increases reliability and reduces operating costs.
- Prepare the Sample - Cut fabric to standard size (usually 180 × 180 mm). - Condition the sample if required (21°C, 65% RH for 24 hours).
- Mount the Fabric - Place the fabric on the specimen holder at a 45° angle.
- Fill the Reservoir - Pour 250 ml of distilled water into the upper funnel.
- Start the Test - Release the water through the nozzle; it sprays over the fabric for about 25–30 seconds.
- Inspect the Fabric - After spraying, visually assess the water beading or penetration on the surface.
- Rate the Sample - Compare the fabric’s wetting pattern with the standard spray rating chart: - 100 = No sticking/wetting - 90–50 = Partial wetting - 0 = Complete wetting
- Record the Rating - Document the spray rating for quality control or reporting.
Spray Reting Tester
[Scope of application]:
Used for the determination of moisture resistance (wetting grade) of various fabrics
which have been or have not been treated with water resistance or water repellency.
[related standards]:
GB/T4745 ISO4920 AATCC22 JISL1092 etc.
[technical parameters]:
1. Glass funnel:150 x 150 (capacity 500ml)
2. Specimen placement angle:The level is 45 degrees.
3. Distance from nozzle to sample center:150mm
4. Specimen diameter:Ф150mm
5. Size of water receiving pan:500×400×30mm
6. Matching measuring cups:500ml
7, size 500 x 400 x 500mm
8. Instrument weight:5Kg 
Martindale abrasion tester Updated
Martindale abrasion tester updated
Latest Update 1 A+
- Clothing sample weight hammer:397±2g Furniture decoration sample weight hammer:597±2g C. Stainless steel discs:260±1g
- Effective friction diameter of grinding block: Type A 198g(3kpa) friction head 28.8-0.084mm Type B 155g(1.52N) friction head 90-0.10mm 6. Relative velocity of gripper and grinding table:50 + 2R / MI (20-70r / min adjustable) 7. Sampling hammer quality:2385±10g 8. Shape size:870×580×300mm 9. power supply:AC220V 50Hz 500W 10.Weight:73KG.
- [Standard accessories] Items and specifications Qty Notes Main machine 1Power cable 1A type 198g Friction head 9 B type 155g(1.52N) Friction head 9 597g Hammer 9 397g Hammer 9, 666666666 260g Stainless steel disc 9, 2385g Holding hammer 1,B Friction head felt 18 ￠90mm Steel ball 6, Rubber ring 18, Inner Hexagonal Wrench 1
- Sampler 1, Fuse 2 3A, Standard felt 18, Weight:750±50g/m2, Thickness:2.5±0.5mm, Standard foam lining 40, Density:0.03g/cm3,Thickness:3mm,Standard abrasive 9 Circular shear template Each φ140mm、φ38mm,Small screw knife 1, Bottom foot 4
Fatigue tester for Elastic fabric
Fatigue Tester for Elastic Fabric
Fatigue tester for Elastic fabric
- Adjustable Stretch Range - Allows setting stretch levels (e.g., 0–100%) to simulate real-life fabric use.
- High-Cycle Capability - Supports up to millions of stretch-relax cycles for long-term fatigue analysis.
- Touch Screen Control - 7-inch color display for easy setup, monitoring, and data entry.
- Servo Motor Driven - Ensures precise and smooth linear motion during testing.
- Customizable Speed - Adjustable test speed (e.g., up to 40 cycles per minute) based on test requirements.
- Multi-Sample Testing - Some models allow testing multiple specimens simultaneously.
- Cycle Counter with Alarm - Built-in counter with programmable stop after preset cycles and auto-alert feature.
- Durable Construction - Robust metal frame suitable for continuous testing in lab environments.
- Standard Compliance - Designed to follow standards like GB/T 37635 for elastic fabric testing.
- Prepare the Sample
- Mount the Sample - Secure both ends of the fabric in the upper and lower clamps.
- Set Test Parameters
- Start the Test - Press start on the touch screen interface. - The machine will cyclically stretch and release the sample.
- Monitor Progress - Observe operation or let it run automatically.
- Remove and inspect - Take out the fabric and measure elongation, recovery, or visual defects.
- Record and Compare Results - Compare with initial measurements or standard performance criteria.
Fatigue tester for Elastic fabric
Random Tumble Pilling Tester
Random Tumble Pilling Tester
Random Tumble Pilling Tester
- Multiple Test Chambers - Typically comes with 2 or 4 cork-lined chambers for simultaneous testing of multiple fabric samples.
- High-Speed Rotating Impellers - Impellers rotate at around 1200 rpm to create intense, random tumbling motion.
- Compressed Air System - Ensures continuous fabric movement and realistic simulation of wear.
- Digital Timer- Allows precise setting of test duration with easy-to-read display.
- Viewing Windows- Transparent chamber doors for monitoring fabric movement during testing.
- Standard Compliant Design- Meets ASTM D3512, ISO 12945-3, GB/T 4802.4 and other major standards.
- Robust Construction- Durable materials and components designed for long-term laboratory use.
- Easy Sample Handling - Quick-open chamber lids and simple sample placement process.
- Compact Footprint- Saves space in laboratory environments.
- Prepare Samples- Cut fabric into standard-sized specimens (usually circular or rectangular per ASTM/ISO specs)- Condition samples as per the standard (usually 24 hrs at 21°C, 65% RH).
- Load the Chambers - Place each sample into a cork-lined test chamber. - Add a small piece of gray cotton backing fabric if required by the method.
- Set Parameters - Adjust compressed air pressure (typically 14–21 kPa or 2–3 psi).
- Start the Test- Close the chamber doors and press start. - Impellers rotate, tumbling the samples randomly with air flow.
- Stop and Unload - Once the timer ends, remove the samples carefully.
- Evaluate Pilling - Compare the tested samples to standard pilling rating photographs or scales.
- Record Results - Document the pilling grades and any observations.
[Scope of application]:
It is used to test the fuzzing and pilling
performance of the fabric under the condition of
free rolling and friction in the drum.
[Related standards]:
GB/T4802.4 (Standard Drafting Unit)
ISO12945.3, ASTM D3512, ASTM D1375, DIN 53867, ISO 12945-3, JIS L1076, etc.
[Technical parameter]:
1. Number of boxes: 4
2. Roller specifications: diameter (146±1.0) mm, depth (152.4±1.0) mm;
3. Lining material: polychloroprene lining thickness (3.2±0.4) mm. , Hardness (60～70)
IRHD;
4. Impeller specifications: φ12.7 mm×120.6 mm;
5. Plastic blade specifications: 10 mm×65 mm;
6. Rotation speed: 1～2400 rpm can be set freely
7. Working pressure: 14kPa～21kPa;
8. Time counting: (1～999) min.
9. Power supply: AC220V±10% 50Hz 80W
10. Appearance: (480×400×680)mm
11. Weight: 40kg
[Standard accessories]
Items and specifications Qty. Note
Fuse 2 3A
Main machine 1
Power cable 1
Air tube 1 Φ8mm
Grey cotton sliver 4
Cork lining 4
Rating sample photo 1
White glue 1
Counting Balance-Weighing Scale
Counting Balance-Weighing Scale
Counting Balance-Weighing Scale
Counting Balance-Weighing Scale
