When the slurry is used in waterborne wood coatings, it can distinctly promote the hardness of paint film.
将制备的浆料加入水性木器漆中，可以明显提高漆膜的硬度。
Influencing of curing time on film hardness is discussed through modifying the ratio of paint and curing agent. The defects from spraying process and the countermeasures are narrated.
通过调整漆与固化剂比例，讨论了固化时间对漆膜硬度的影响，同时论述了喷涂过程中产生的缺陷和采取的措施。
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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