ASTM D3363-00 Pencil Scratch Method Film Hardness Pencil Coating Hardness Tester
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- Опубліковано 8 вер 2024
- ASTM D3363-00 Pencil Scratch Method Film Hardness Pencil Coating Hardness Tester, for more info, please visit www.huatecgroup.com, email to export@huatecgroup.com,mob/wechat/whatsapp/+86 13910983110
We need acrylic sheet hardness citing
Price
6 h
Clearly a bad example of how to do the test, the pencil has to have a sharp circular cross-section, not a tip.