Dental Assisting How to Take Alginate Impressions

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Designed to test abrasion resistance and washability of coatings in compliance with ASTM, ISO or DIN methods. Learn more: https://www.byk-instruments.com/en/Ph... • Abrasion resistance is an important property for paint and coatings. An abrasion test is also common for tile, flooring, furniture, wall coverings, shower stalls, and bath tubs. The abrasion tester produces a repeatable, controlled condition to simulate everyday use or wear pattern. • • BYK-Gardner offers a whole range of abrasion and scrub kits for special applications. So the Gardner-scrub can be used for scrub abrasion tests according to: • ISO 11998 / DIN 13300 (loss of coating mass) -- 0:20 • ASTM D4828 (change in color and gloss before and after 100 cycles) -- 0:24 • ASTM D3450 (CIE Y refectance before and after 100 cycles) -- 0:29 • ASTM D4213 (relative scrub resistance) -- 0:35 • ASTM D2486 (Number of cycles to failure) -- 0:40 • • Attach adapter onto instrument arm using mounting screws -- 0:57 • Level instrument by using the adjustable feet -- 1:04 • Define testing -- 1:22 • Number of cycles -- 1:24 • Speed (cycles/minute) -- 1:30 • Place scrub panel onto glass plate and fix it -- 1:42 • Spread washing liquid -- 1:56 • Place abrasive pad on scrub pad holder -- 2:11 • Procedure as per ISO method -- 2:18 • Press start button -- 2:19 • Automatic stop after set number of cycles -- 2:47

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