PPGI cov ntawv muaj lub zog zoo thiab nruj, ua rau lawv haum rau ntau yam kev siv. Lawv tuaj yeem txhawb nqa hnyav thiab tiv thaiv deformation, muab cov qauv kev ruaj ntseg.
Cov cwj pwm tseem ceeb
Kev lag luam tshwj xeeb attribute
| Hom | Gnee |
|
Hom |
Hlau Chev |
| Thickness | 0 12-2.5 hli |
| Txheej | Z30-Z40 |
| Hardness | Full Hard |
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