NK Fabric Pilling Tester
The NK Fabric Pilling Tester is designed to evaluate pilling and surface wear of blended fabrics used in school uniforms, workwear, and other garments under controlled friction and pressure conditions. The instrument simulates real-life wear, including sliding and twisting friction that occurs when clothing is worn while seated. It can also be applied to testing automotive seat materials for crease whitening and wear performance.
Application
This tester is suitable for:
(1) Evaluating pilling resistance of blended fabrics for school uniforms, workwear, and casual garments;
(2) Simulating friction and twisting during wear under body weight load;
(3) Assessing fabric durability and surface changes, including mesh breakage or hole formation;
(4) Automotive seat material testing for crease whitening and surface pilling under repeated movement.
Standards
The instrument complies with:
(1) JIS L 1076 – Textiles – Test method for pilling of woven and knitted fabrics;
(2) Applicable internal laboratory standards for pilling and wear evaluation.
Features
Simulates real-life wear conditions with controlled twisting and reciprocating motion.
Upper and lower specimens mounted on polyurethane foam simulate seated pressure and movement.
Adjustable torsion angles (±20°) and stroke for precise testing conditions.
Dual specimen system with independent loads and motion for realistic fabric interaction.
Transparent acrylic safety cover with interlock ensures safe operation.
Six-digit counter for both upper and lower specimens allows precise test cycle tracking.
Suitable for both clothing and automotive material testing.
Parameters
| Parameter | Specification |
|---|---|
| Upper Specimen Size | 380 × 380 mm |
| Lower Specimen Size | 340 × 340 mm |
| Upper Polyurethane Foam | 200 × 250 mm, Density 0.05 g/cm³, Hardness 25 Kgf/314 cm² |
| Lower Polyurethane Foam | 250 × 250 mm, Density 0.05 g/cm³, Hardness 25 Kgf/314 cm² |
| Upper Drive Mode | Twisting motion, swing angle ±20° (Full 40°), Speed 5–40 cycles/min |
| Lower Drive Mode | Reciprocating motion, Stroke 70 mm, Speed 5–40 cycles/min |
| Test Load | 5 kgf, 10 kgf |
| Specimen Tension Load | Upper: 4.54 kgf; Lower: 8.15 kgf |
| Counter | 6-digit, freely programmable (upper and lower) |
| Drive Motor | Gear-driven motor |
| Safety Cover | Transparent acrylic, dual-side opening with interlock |
| Overall Dimensions | W630 × D600 × H1500 mm (door open space ≥800 mm) |
FAQ
What is this product?
A specialized tester for evaluating pilling, surface wear, and fabric durability under simulated real-life friction and pressure conditions.
What is the purpose of this product?
To determine the resistance of blended fabrics to pilling and surface damage during wear or repeated friction.
Why is this product important?
It ensures garment durability, maintains fabric quality, and helps manufacturers prevent pilling and wear-related complaints.
What problems can this product solve for users?
Detects weak points in fabric, predicts wear behavior, and assists in material selection for uniforms, workwear, and automotive upholstery.
What types of this product are available?
Single or dual-specimen setups with adjustable loads and motion for different fabrics and applications.
How is this product operated?
(1) Mount the upper and lower specimens on the polyurethane foam blocks;
(2) Adjust load, twisting angle, and reciprocating stroke according to the test requirements;
(3) Start the motorized test cycles;
(4) Observe and record pilling formation and surface wear using gray scale or visual inspection;
(5) Use the counter to track the number of test cycles accurately.
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