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flame surface spread tester
Selling leads
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... tester is to test the friction of surface by a particular piece of sandpaper, After friction for a certain time, and then assess the condition of ...
2026-10-17 00:08:18
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..., anti-wear properties. Principle: The sample fixed on the platform, the provisions of the pressure and friction in the action condition, the ...
2026-09-14 19:22:15
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