Fabric air permeability tester
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Fabric Air Permeability Tester
Fabric Air Permeability Tester is a lab instrument used to measure how easily air passes through a fabric. It quantifies the air permeability, which is crucial for evaluating breathability, comfort, and functional performance in textiles.
Purpose Fabric Air Permeability Tester:
It determines the rate of airflow through a fabric sample under a set air pressure, typically reported in units like cm³/cm²/s or L/m²/s.
Working Principle:
The tester creates a pressure difference across the fabric sample and measures the volume of air flowing through it. Higher air permeability means the fabric is more breathable.
Main Components of Fabric Air Permeability Tester:
– Test Head / Clamp: Holds the fabric securely without leakage.
– Pressure Regulator: Maintains a constant air pressure during testing.
– Flow Meter or Digital Sensor: Measures the actual airflow rate through the fabric.
– Display Unit: Shows readings of air permeability instantly.
Applications of Fabric Air Permeability Tester:
– Performance textiles (sportswear, PPE)
– Technical fabrics (filters, tents, airbags)
– Medical textiles (masks, gowns)
– Nonwovens and industrial materials
Benefits of 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.
Features of Fabric Air Permeability Tester:
- 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.
How to Use Fabric Air Permeability Tester:
- 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.
Tip: Ensure the test environment maintains standard temperature and humidity for consistent results.
Fabric Ai
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
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digital precision balance is a weight balance machine. It’s used to Low capacity balance. digital precision balance play an important role to accurate measurement. Digital precision balance is used to check weight paper, jewelry etc. It shows accurate result. We have the best collection of digital precision balance. MAAM TEX IS the best supplier of Precision Balance in Bangladesh
A Digital Precision Balance is a high-accuracy electronic weighing device used in laboratories, industries, and educational institutions for measuring mass with a high degree of precision. It is essential for tasks that require meticulous weight measurements, such as chemical analysis, formulation, and quality control. Key Features:- High Accuracy & Precision: - Typically offers readability from 0.1 g to 0.001 g (or even finer). - Ideal for weighing small amounts of material where accuracy is crucial.
- Digital Display: - Large, backlit LCD or LED display for easy reading. - Some models include touch screen interfaces.
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- High Accuracy and Precision- Delivers extremely accurate weight measurements, often down to 0.001 g or better.- Crucial for experiments and applications where even slight variations can affect outcomes.
- User-Friendly Interface- Digital display makes readings easy to read and interpret.- Most models include intuitive controls for functions like tarring, unit conversion, and calibration.3. Speed and Efficiency- Provides instant, stable readings, saving time compared to manual or mechanical balances.- Streamlines lab workflows and enhances productivity.
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- User-Friendly Interface - Simple buttons and screen navigation for ease of operation.
- Standard Test Compliance - Compatible with ASTM D1424, ISO 1974, ISO 13937, and other tear strength standards.
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- Prepare the Sample - Cut the material (fabric, paper, film, etc.) to standard size (typically 100 × 63 mm for textiles) and slit it with the pre-cutter as required.
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- Release the Pendulum - Trigger the pendulum to swing and tear the sample through the pre-slit.
- Read the Result - The digital display will show the tearing force automatically (in g, mN, or cN).
- Record or Export Data - Save or print the result if your model supports USB or printer connection.
- Reset for Next Test - Reposition the pendulum and prepare a new sample for the next cycle.
Scope of application
It is used for the determination of the tear resistance of various woven
fabrics (Elmendorf method), and it can also be used for the determination
of the tear resistance of thick paper, plastic sheeting, electrical tape, etc.
Related standards
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Instrument characteristics
1. Maximum 300N test range
2. Microcomputer control, digital decoding, support online
communication
3. Color touch screen control, Chinese and English menu operation
interface
4. Pneumatic clamping, automatic cutting
5. A variety of measurement units (cN, gf) selection
6. Fully automatic operation with safe operation protection.
7. Automatically increase potential energy
[Technical parameter]:
1. Test range: first gear: (0~16)N second gear: (0~32)N third gear: (0~
64)N fourth gear: (0~128)N fifth gear: (0~300)N
2. Test accuracy: ≤±0.2%F·S
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4. Automatic incision length: (20±0.2)mm
5. Sample size: (100×63)mm
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of data can be selected to be saved
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9. Dimensions: (650×660×680)mm
10. Weight: 50kg
[Sample of control interface]:(English version is also available.) Color fastness to washing machine
COLOR FASTNESS TO WASHING MACHINE
Color fastness to washing machine refers to a fabric’s resistance to fading or bleeding when subjected to washing processes. This test measures how well the dye or colorant stays on the fabric when exposed to water, detergent, heat, and mechanical action—conditions typically found in household or industrial washing machines. Purpose of Color fastness to washing machine - To evaluate the durability of dyed or printed textiles during laundering.- Essential for determining fabric quality and suitability for end-use (e.g., clothing, upholstery). Test Method Usually based on international standards such as: - ISO 105-C06 - AATCC 61- IS 3361- AATCC 28/61/132/151/190, BS 1006 C01-C05, ISO 105 Part C01-C06/C08/D01, M&S C4/C5/C10A/P3B, FTMS 191-5610, NEXT TM2/3/5, GB/T 5711/3921 Procedure (Simplified)1. Sample Preparation: - A fabric specimen is stitched with undyed adjacent fabrics (usually cotton or wool).2. Washing: - Washed in a laboratory washing machine using standard detergent, water, and specific temperature/time settings (e.g., 40°C for 30 minutes).- Drying: - After washing, the sample is dried, typically air-dried or tumble-dried.4. Evaluation: - Color change and staining on adjacent fabrics are assessed using a gray scale (1 to 5 scale; 5 = no change, 1 = severe change). - Results may also be evaluated visually under standard lighting.
- Supports Brand Reputation - Reliable color fastness contributes to a premium product image and consistent performance.4. Compliance with Standards - Meets industry requirements (e.g., ISO, AATCC), crucial for export, certifications, and regulatory compliance.
- Improves Process Control- Helps identify dyeing or finishing process issues early, leading to better production control.6. Reduces Rework and Waste - Minimizes production losses due to color defects after washing.
- Essential for Specific End Uses - Critical for items subject to frequent washing (e.g., uniforms, baby clothes, hospital linens).8. Supports Material Selection - Guides textile manufacturers in choosing appropriate dyes and fabrics for specific applications.
- Assessment of Color Change and Staining- Evaluates both the fabric’s color retention and the staining of adjacent fabrics using grey scales (1 to 5 rating).4. Multi-Fiber Fabric Use - Tests include fabric stitched with adjacent test strips (cotton, wool, etc.) to assess color bleeding onto different fibers.
- Multiple Test Options - Includes domestic, accelerated, and industrial washing conditions depending on the end-use of the fabric.6. Temperature and Time Control - Precise control over wash temperature (e.g., 40°C, 60°C) and duration (e.g., 30 mins), simulating specific washing cycles.
- Detergent and Additive Use - Uses standardized detergent formulations with/without optical brighteners, and sometimes alkaline or oxidizing agents.8. Reproducible and Quantifiable - Provides repeatable results that can be objectively measured and documented.
- Applicability to All Textile Types - Suitable for dyed, printed, or coated fabrics across various fibers (cotton, polyester, blends, etc.).
- Rate of temperature rise: Maximum speed for 2ºC/min 7. Internal materials: Imported Stainless Steel 316L 8. Control panel: Touch screen
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Digital Pipette
- Digital Volume Setting
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- High Accuracy and Precision - Ensures reliable and reproducible results, essential for sensitive experiments.
- Digital Volume Control - Reduces human error with easy and precise volume setting via digital interface.
- Ergonomic Design- Minimizes hand strain and fatigue during prolonged use; ideal for repetitive pipetting tasks.
- LiteTouch System (LTS) - Eases tip attachment and ejection, reducing risk of RSI (Repetitive Strain Injury) and improving comfort.
- Versatile Volume Range - Available in multiple models to handle volumes from microliters to milliliters.
- Durable and Reliable - Built with high-quality materials for long life and resistance to chemicals and frequent use.
- Easy Maintenance and Calibration - Simplified calibration and cleaning ensure long-term performance and compliance.
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- Digital Volume Adjustment - Precise and easy-to-read digital display for accurate volume setting.
- High Precision and Accuracy- Delivers consistent results, meeting ISO and GLP/GMP standards.
- Ergonomic Design- Lightweight, balanced with low plunger and tip ejection force to reduce fatigue.
- LiteTouch Tip Ejection System (LTS) - Reduces tip attachment/ejection force, improving comfort and consistency.
- Durable Construction - Built with high-quality, chemically resistant materials for long-term use.
- Wide Volume Range - Available in multiple models from 0.1 µL to 10 mL.
- Single-Channel and Multi-Channel Options - Suitable for various applications including high-throughput assays.
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