Switzerland imported sheep leather friction machine felt blocks square wool felt Reap

Standard square block of the wool felt blankets Swiss EMPA imports. With IULTCS SATRA abrasion test machine or machine use. Standard wool felt white, for the evaluationwith rub fastness tester FEK-VESLIC, unit with 1000 pieces, VESLIC C-4500 (IUF450), ISO 11640 (original 1000pieces) using ADIDAS GE-29 abrasion (Rubbing Fastness) standard widely . Compliance: IUF450, IUP450, ISO 11640, ISO 17700, QB / T2537, QB / T2882 ... Specifications: 15x15mm, white 1000 / bag, black 100 / bag Origin: Switzerland