AV色综合久久天堂AV色综合在_中文字幕AV一区乱码_日本xxxx裸体xxxx免费_曰韩无码AV一区二区免费

Sander has a wide range of applications, not only in the timber industry, but also in many industries. Sander needs different types of abrasive belt when grinding different plates.

 1. If the floor base material can be sanded with 60# abrasive belt, one of the belts can be selected. The primer is sanded with 320 # abrasive belt at a speed of 6-9 hertz.

 2. Sanding of water-borne putty on floor, with 100 When making fine sand, 240 # sand belt and 320 # sand belt should be installed first.

 3. Floor waterborne paint requires sanding texture must meet the requirements of topcoat leveling, that is to say, sanding precision is high, 320 # sanding, attention should be paid to adjusting the belt speed, visual observation of sanding texture, adjusting the back sand.

 4. Sander can be adjusted according to different sheets to ensure the quality of products.