IULTCS/Veslic Rub Fastness Tester | ASTM ISO Testing Machine
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Whats/App: +86 185 0176 3615
Web: qinsun-lab.com
Basic principles: the square wool felt on friction head (with or without extra balance weights) makes reciprocating friction with leather (stretched or not stretched) on the friction platform for reciprocating friction. After a certain number of friction times, compare the wool felt with gray card and rate the color fastness level.
Standards
IS0 11640 Leather-Tests for colour fastness-colour fastness to cycles of to and fro rubbing
SATRA PM 173 Colour fastness to rubbing-reciprocating method
QB/T 2537 Leather-Tests for colour fastness-colour fastness to cycles of to and fro rubbing
GB/T 20991 7.3 Determination of abrasion resistance of insole
EN IS020344 7.3 Determination of abrasion resistance of insole
AS/NZS 2210.2 7.3 Determination of abrasion resistance of insole
ISO 17700 Method A To and fro square rubbing finger fastness testing Footwear-test methods for upper components and insocks-colour fastness to rubbing
DIN 4843 Safety footwear safety requirements testing
QB/T 2226 Shoelace wear test method, light industry standards.
Consumables
Friction material:
White wool felt, size 15mm × 15mm. The punched pure wool felt piece should meet the following requirements: pH of water extract between 5.5 ~ 7.0; mass per unit area (1750 ± 100) g / m2. thickness (5.5 ± 0.5) mm.
Technical Parameters
1. Test bench: a horizontal metal platform; a holder for fastening the leather to the platform, leaving approximately 80mm exposed; a device with which the leather may be extended 10% to 20% linearly in the direction of rubbing (sample size 120mm × 20mm).
2. Test column: weight (500 ± 25) g. It can be moved, but also firmly fixed. including:
A) Test head area: 15mm × 15mm.
B) Device for adjusting the test head to bring the felt pad into horizontal contact with the test platform.
C) Load bearing blocks: (500 ± 10) g. After loading, the total mass of the test column is 1000g.
D) Adjustment device: adjust the test column up and down so that the test head makes horizontal contact with sample.
3. Device that drives test bench for reciprocating motion: test head makes forward-backward motion with a stroke of 35mm ~ 40mm at a frequency of (40 ± 2) cycles / min.
4. Counter: LCD digital display, round-trip as one time, the number of cycles can be set to 5 to 500 times.
5. Device that can adjust the test column in the horizontal direction (optional): the test head can be rubbed against the leather samples at 2 to 3 different angles.
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