Four-Station Leather Rubbing Color Fastness Tester T271B
The T271B Four-Station Leather Rubbing Color Fastness Tester is designed to evaluate the color transfer and rubbing fastness of leather surfaces and coatings. You can use this instrument to determine the degree of color fading from leather and the staining level on wool felt under dry or wet rubbing conditions. The T271B Four-Station Leather Rubbing Color Fastness Tester provides reliable and repeatable results for leather quality control and product development.
Application
You can use this tester to evaluate rubbing color fastness of:
Natural leather and synthetic leather
Coated leather products
Footwear uppers and lining leather
Automotive interior leather
Leather accessories such as bags, belts, and gloves
It is widely used in leather manufacturers, footwear factories, quality inspection laboratories, and research institutions.
Standards
This instrument complies with the following standards:
(1) ISO 11640 Leather — Tests for colour fastness — Colour fastness to cycles of to-and-fro rubbing
(2) SATRA PM 173 Footwear testing methods
(3) QB/T 2537-2001 Leather colour fastness — To-and-fro rubbing
(4) DIN 4843 Protective, safety and occupational footwear — Technical requirements and testing
(5) QB/T 2226 Lace abrasion test method
(6) GB/T 20991-7.3 Personal protective equipment — Test methods for footwear
Parameters
| Parameter | Specification |
|---|---|
| Stations | 4 |
| Test Mode | Automatic |
| Rubbing Head Area | 15 mm × 15 mm |
| Fixture Material | Stainless steel |
| Stroke | 35 ± 2 mm |
| Load Block Weight | 500 g ± 10 g |
| Rubbing Head Weight | 500 g ± 20 g |
| Power Supply | AC 220 V, 50 Hz |
| Weight | 35 kg |
| Dimensions | 500 × 450 × 550 mm |
Features
Four-station design improves testing efficiency and throughput.
Supports both dry and wet rubbing tests to meet different standards.
Stainless steel fixtures ensure durability and stable clamping.
Square wool felt rubbing head provides consistent contact area.
Compact mechanical structure with reliable reciprocating motion.
Manual clamping is firm and prevents specimen loosening.
Simple operation with stable and repeatable test results.
Accessories
(1) Main testing unit — 1 set
(2) Wool felt rubbing heads — 4 pcs
(3) Standard weights — 1 set
(4) Power cord — 1 pc
(5) User manual — 1 copy
Test Procedures
(1) Power on the instrument and check normal operation.
(2) Prepare the leather specimen and fix it securely on the test platform.
(3) Wrap the white wool felt on the rubbing head (dry or wet as required).
(4) Set the required test cycles and start the test.
(5) After completion, remove the wool felt and specimen.
(6) Compare staining and color change with the grey scale to rate results.
Maintenance Information
(1) Keep the rubbing head and platform clean after each test.
(2) Replace worn wool felt in time to maintain accuracy.
(3) Periodically check the reciprocating mechanism for smooth movement.
(4) Ensure fixtures remain tight and free of corrosion.
(5) Store the instrument in a dry, dust-free environment when not in use.
FAQ
(1) What is this product?
It is a laboratory instrument used to evaluate the rubbing color fastness of leather surfaces and coatings.
(2) What is this product used for?
You use it to determine color transfer, fading, and staining performance of leather under dry or wet rubbing.
(3) What is the working principle of this product?
The tester drives a wool felt rubbing head to reciprocate over the leather specimen under a specified load, then evaluates staining and color change using grey scales.
(4) Why is this product important?
It helps you verify leather color durability, ensuring product quality, compliance with standards, and customer satisfaction.
(5) What industries is this product suitable for?
It is suitable for leather manufacturing, footwear production, automotive interiors, quality inspection agencies, and research laboratories.
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