PN-BSTF Buick Smoothness Tester's video
172 plays · 2022-09-09
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Product description
PN-BSTF Smoothness Tester is a high-precision Buick Bekk paper and Cardboard surface smoothness Tester developed according to GB/T 456 and ISO5627. Evaluating the concave and convex degree of the paper surface indicates the smoothness of the paper surface.