1. peb cov khoom raug ua raws li tus qauv EN877.
2. qhov loj me ntawm DN50 txog DN300, nrog 3m / pc.
3. pleev xim: sab hauv epoxy xim daj nrog tuab tshaj 120 micron, sab nraud xim liab nrog tuab tshaj 60 micron. Yog tias koj muaj kev xav tau tshwj xeeb, thov hu rau peb, vim peb kuj tuaj yeem ua cov pleev xim raws li koj xav tau.
4. ntev/pc: 3m
5. lub sijhawm xa khoom: 7-15 hnub, nyob ntawm seb koj muaj pes tsawg.
6. daim ntawv thov: siv rau cov dej khib nyiab / dej nag / cua nkag.
7. qhov zoo: tsis txhob muaj kuab paug, suab nrov tiv taus.
Nyem qhov no mus saib daim video: https://youtube.com/shorts/imcEhCmKocM?feature=share
