The scratch resistance of tinplate was measured by using modified QHQ type pencil hardness test apparatus which is designed for organic paint coating.
移植QH Q型涂膜铅笔划痕硬度仪用来测试电镀锡板的抗划伤性。
Purpose: This machine is used to test film hardness through the pencil hardness of plow-breaking paint film pencil.
用途：通过犁破漆膜的铅笔硬度等级测定漆膜硬度。
Purpose: This machine is used to test film hardness through the pencil hardness of plow-breaking paint film pencil.
用途：通过犁破漆膜的铅笔硬度等级测定漆膜硬度。
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