高潮又爽又黄又无遮挡动态图,久久无码AV中文出轨人妻,日日AV拍夜夜添久久免费,人妻在线日韩免费视频,欧洲人免费视频网站在线,欧美 偷窥 清纯 综合图区,老熟女一区二区免费,精品熟女日韩中文十区,亚洲偷自拍国综合色帝国,成人网站免费观看入口

    • Product Introduction
      PC,PMMA,GLASS
      PC,PMMA,GLASS
      Harden on the surface of ordinary PMMA, PC and Glass, so that the surface of the function of scratch-resistant flowers, more commonly in the 4 h to 5 h, ordinary contact can't scratch that generates the phenomenon, high pervious to light.Main application: mobile Windows (outside surface protection, silk screen LOGO, design, doing all sorts of beautification appearance), TV screen, telephone landline Windows, all kinds of electronic display products, can maintain long-term light thoroughly, even if the hand often contact also won't produce scratches.
      Product Description

      Harden on the surface of ordinary PMMA, PC and Glass, so that the surface of the function of scratch-resistant flowers, more commonly in the 4 h to 5 h, ordinary contact can't scratch that generates the phenomenon, high pervious to light.Main application: mobile Windows (outside surface protection, silk screen LOGO, design, doing all sorts of beautification appearance), TV screen, telephone landline Windows, all kinds of electronic display products, can maintain long-term light thoroughly, even if the hand often contact also won't produce scratches.


      PC board hardening;

      1: PC board characteristics: resistant to impact strength, PC board is excellent for impact performance, it is 250 times higher than traditional glass, and 30 times higher than acrylic sheet.The impact strength of the PC board is called "transparent steel".As a bulletproof riot application, it is known in the industry as "bulletproof glass".

      2: the average PC board is excellent for impact strength, but it also has a weak, scratch-resistant, scratch-and scratch-like weakness, with a surface hardness of only 2B.Unable to meet the special needs of certain industries, how to solve the problem of scratches?This must be done with a hardening process.

      3: PC plate hardening process is divided into two kinds: surface coating process and surface coating process, which can make it to the hardened effect.PC board surface hardening treatment: PC board some containing silicon, titanium coating composition such as hardening coating to increase hardness, endurance in ordinary PC board base material surface for plating or coating processing, the adhesion and hardening coating on its surface, after baking oven dry processing to meet the requirements of hardening.The surface hardness of the hardened hardened plate is 3H - 4H, which is suitable for general industry requirements.

      4: the reagent for hardening liquefaction: the composite metal oxide of the main component and the hydrolysis of organic silicon compound.

      Our special hardening process can reach 9H



      BACK
      亚洲av无码av制服另类专区| 免费观看a级毛片视频| 欧美大屁股喷潮水XXXX| 欧美午夜视频一区二区| 免费无码又爽又刺激高潮的视频| 麻豆亚洲av成人无码久久精品| 国产精品久久国产精品99 gif| 亚洲无av在线中文字幕| WWW夜片内射视频日韩精品成人| 国产96在线 | 免费| 女人腿张开让男人桶爽肌肌| 人妻少妇精品视中文字幕国语| 亚洲国产欧美不卡在线观看| 一本久道综合在线中文无码| 97精品在线观看| 青草青草久热精品视频在线观看| 全部免费a级毛片| 永久免费不卡在线观看黄网站 | 欲妇荡岳丰满少妇岳| 久久精品天天中文字幕人妻| 亚洲av性色精品国产小电影| 亚洲一区二区性av| 狠狠色狠狠色综合网| 欧美成a人片在线观看久| 中文无码乱人伦中文视频在线| 国产乱理伦片a级在线观看| 日韩精品久久无码中文字幕| 午夜精品无码| 日韩AV无码精午夜精品| 亚洲欧洲一区二区三区在线| 亚洲av三级在线| 国产精品国产三级在线专区| 三级网站国产| 强制高潮18xxxxhd日韩| 无码精品中文字幕一区二区三区 | mm1313亚洲精品国产| 无码专区—VA亚洲V专区| 亚洲国产精品尤物YW在线| 韩国三级中文字幕HD久久精品| 麻豆国产VA免费精品高清在线| 激情综合色综合啪啪五月丁香|