国产小视频在线观看网站_黄色网址一级片_黄色小视屏_美女自慰网站永久免费看_黄网址大全免费观看免费_亚洲不卡2卡3卡4卡5卡入口_国产一级簧片_亚州**色毛片免费观看_成人?免费 黄色 视频_白丝JK自慰一区二区免费看,好硬好大好爽18??免费软件,久久免费观看一级毛片下载,边啃奶头边躁狠狠躁动画开始播放

Scraper

Brief introduction：

Our scraper has high precision, wear resistance, no small notches and burrs in the blade, good uniformity and smoothness of scraping glue. The materials are made of 45 # seamless steel pipe or alloy steel by heat treatment, mechanical processing, hard chroming, ultra-precision grinding. The roll surface concentricity, roll surface runout and blade edge straightness of scraper are all less than 0.002mm, the  roughness  is 0.015, and the coating thickness is 0.18mm.

Widely used in: coating machine (plastic film, paper, reflective material, tape, cloth, leather, metal foil, medical materials, electronic industry and other base materials coating).