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Acrylic products scratched easily? Hardness is how many?

by:Noble Awards     2020-07-01
With everyone's impression of acrylic products are easily scratched, but not all acrylic products are easily scratched, there is a hierarchy of surface hardness of acrylic materials, only low hardness grade acrylic products are easy to be scratched. The Noble allow acrylic factory as you say: how the yakeli the surface hardness is divided. Acrylic products from low to high hardness generally divided into: 2 b, 1 b, HB, 1 h, 2 h, 3 h, can achieve 3 h surface hardness is very high hardness. Want to know the hardness of acrylic, the most professional way is to use measuring instrument for testing the hardness of measured data that high precision; It doesn't matter if there is no such equipment, a pencil is not a 2 b, 1 b, HB, 1 h, 2 h, 3 h the number, the simplest method is in turn take corresponding type of pencil yakeli the surface delimit blow, can leave scratches in acrylic products above is corresponding to the hardness of the pencils.
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