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YG511-VI Type Pilling Tester with Rotating Drum (4-Box Method)

Name: YG511-VI Type Pilling Tester with Rotating Drum (4-Box Method)
Brand: Laibote (Tianjin) Testing Machinery
Availability: InStock

This instrument is used to evaluate the pilling and fuzzing performance of wool, knitted fabrics, and other fabrics prone to pilling. A fabric specimen is fitted over a sample holder and placed in a square wooden box lined with rubber cork of a specified coefficient of friction; the assembly is then rolled a prescribed number of times. The resulting fabric is compared with standard reference samples to determine the pilling grade.

Category:

Textile and Apparel Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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YG511-VI Type Pilling Tester with Rotating Drum (4-Box Method)

Description

Product Introduction:

This instrument is used to evaluate the pilling and fuzzing performance of wool, knitted fabrics, and other fabrics prone to pilling. A fabric specimen is fitted onto a sample holder and placed in a square wooden box lined with rubber cork of a specified coefficient of friction; the assembly is then rolled a prescribed number of times. The resulting fabric is compared with standard reference samples to determine the pilling grade.

Product Features:

1. Plastic housing—lightweight, robust, and resistant to deformation;

2. High-quality imported rubber cork gaskets, detachable for convenient and quick replacement;

3. Equipped with an imported polyurethane sample carrier tube, ensuring long-lasting durability and excellent stability.

4. The instrument operates smoothly with low noise;

Reference standard:

Standards such as GB/T 4802.3, ISO 12945‑1, JIS L 1076, BS 5811, and IWS TM 152.

Technical specifications:

Parameter item	Technical Specifications
Number of pilling boxes	4 pieces
Cabinet space	235×235×235mm (L×W×H)
Box rolling speed	60±1 r/min
Number of box rotations	1 to 999,999 times (arbitrarily set)
Sample tube dimensions, weight, and hardness	Φ31.5×140mm, wall thickness 3.2mm, weight 52.25g, Shore hardness 37.5±2
Rubber cork lining	Thickness: 3.2 ± 0.1 mm; Shore hardness: 82–85; density: 917–930 kg/m³; coefficient of friction: 0.92–0.95.
Power supply	AC 220V, 50Hz, 400W
External dimensions	860×480×880mm (L×W×H)
Weight	70Kg

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

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Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

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What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

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Customer Reviews

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From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

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“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

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