SATRA STM 421PBLACK Black Felt Pads
Description
These black square felt pads are a consumable accessory for use with the Veslic (to and fro) rub fastness testers STM 421 and STM 643B when testing white or light coloured materials.
Verification
This product is verified.
Pack size
Sold in packs of 100.
Special instructions
Grey scales are required to assess the change in colour.
This item can be used with these machines:
STM 421 Rub fastness tester
STM 643B Rub Fastness Tester – 2 Station
This item can be used for these SATRA Test Methods:
TM173 COLOUR FASTNESS TO RUBBING – RECIPROCATING METHOD
This item can be used for these other test methods and standards:
EN ISO 11640
IUF 450