Random Tumble Pilling Tester
The Random Tumble Pilling Tester is used to determine the fabric pilling and fuzzing performance under controlled laboratory conditions. Test specimens are placed inside individual test chambers lined with cork. Driven by a high-speed rotating impeller and assisted by compressed air, the specimens undergo continuous random tumbling and friction against the cork lining.
After a preset test duration, the instrument automatically stops and issues an audible alarm. The degree of pilling and surface fuzzing is evaluated by visual comparison with standard reference photographs.
Application
The Random Tumble Pilling Tester is suitable for evaluating the pilling resistance of the following textile products:
(1) Woven apparel fabrics such as shirts, trousers, suits, and workwear
(2) Knitted fabrics including sweaters, T-shirts, underwear, and sportswear
(3) Blended fabrics made of cotton, wool, synthetic fibers, and their blends
(4) Home textile fabrics such as bedding materials and decorative textiles
(5) Lightweight upholstery and interior textile materials
Standards
(1) ASTM D3512 — Standard Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Random Tumble Pilling Tester
(2) GB/T 4802.4 — Textiles — Determination of Fabric Propensity to Surface Fuzzing and Pilling — Part 4: Random Tumble Method
(3) ISO 12945-3 — Textiles — Determination of Fabric Propensity to Surface Fuzzing and Pilling — Part 3: Random Tumble Pilling Method
(4) JIS L 1076-D — Testing Methods for Textile Fabrics — Pilling Test (Random Tumble Method)
Features
(1) Four independent sealed test chambers ensure consistent test conditions
(2) High-speed stainless steel impeller provides stable and repeatable tumbling motion
(3) Adjustable compressed air input enhances random motion intensity
(4) Digital electronic counter and preset timer for accurate test control
(5) Automatic end-of-test audible alarm
(6) Robust chamber sealing design prevents air leakage during operation
Technical Parameters
| Parameter | Specification |
|---|---|
| Number of Test Chambers | 4 |
| Impeller Material | Stainless steel |
| Chamber Sealing | High sealing performance |
| Counter | Digital electronic counter |
| End-of-Test Alarm | Audible buzzer |
| Timer | Preset electronic timer |
| Drum Size | 146 × 152 mm |
| Cork Lining Size | 452 × 146 × 1.5 mm (L × W × H) |
| Agitator Rod Length | 121 mm |
| Rotational Speed | 1200 r/min |
| Compressed Air Pressure | 0.014 – 0.021 MPa |
Standard Accessories
(1) Standard pilling reference photographs: 1 set
(2) Cork linings: 50 sheets per package
(3) Cotton sliver: 9 m
(4) Silent air compressor: optional
(5) Other essential accessories recommended by the manufacturer
FAQ
(1) What is this product?
The Random Tumble Pilling Tester is a laboratory instrument used to evaluate the pilling and surface fuzzing resistance of textile fabrics.
(2) What is this product used for?
It is used to simulate fabric surface wear by random tumbling and friction inside a cork-lined chamber, allowing assessment of pilling tendency.
(3) Why is this product important?
Pilling directly affects fabric appearance and service life. This tester provides standardized and repeatable results for quality control and material development.
(4) What problems does this product solve for users?
It enables objective comparison of fabric pilling performance and verification of compliance with international standards.
(5) How is the test performed?
Specimens are placed into sealed chambers, subjected to high-speed tumbling with compressed air assistance for a preset time, and then visually rated against standard photographs.
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