99男女国产精品免费视频_亚洲第5页_青青草手机在线观看_色婷婷一区二区三区在线观看_看特级黄色片_视频一区二区中文字幕

Explanation of home appliance control panel

TPU is the abbreviation of Thermoplastic polyurethane. Its chemical name is thermoplastic polyurethane elastomer, which is a kind of polyurethane. That is to say, it is a member of the PU family. It is a new type of polymer synthetic material between rubber and plastic.

Thermoplastic? It is a plastic material that can repeatedly soften or change under certain heat, but it can maintain its shape at normal temperature. It can be used to make injection, extrusion and blow molding of conventional products, such as casters, heels, Handlebars, sports equipment, clothing accessories, sealing materials, etc.

Elastomers? A wide range of hardness, a wide range of performance, can be well combined with metal and concrete and other materials, as the effect of the black technology picture above, the general, has a good elastic recovery force. Can be used to spray automobile chassis, etc., can effectively reduce the damage caused by bumps.

TPU is a granular material. The range of hardness of TPU is wider in the hardness range of products, ranging from 65A to 85D. The color is natural, transparent, and highly transparent. It has characteristics such as high strength, good toughness, abrasion resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and other characteristics unmatched by other plastic materials. At the same time, it has high water resistance, moisture permeability, wind resistance, cold resistance, antibacterial, mildew resistance, Many excellent features such as warmth, UV resistance and energy release.

TPU and PU are essentially composed of the same material. The above characteristics are their mechanical and physical properties. The characteristics of different formulations in actual production are also different.

Copyright ? Ningbo Shunhe Electronic Technology Co., Ltd. All rights reserved.

主站蜘蛛池模板: 国产一级淫片s片sss毛片s级 | 天天夜碰日日摸日日澡性色av | 国产精品嫩草99av在线 | 东京亚洲区卡不 | 亚洲激情国产 | 91午夜精品亚洲一区二区三区 | 国语自产少妇精品视频 | 国产精品第一页在线播放 | 青青草免费在线视频观看 | 国产一区二区三区在线播放免费观看 | 波多野结衣一区二区三区中文字幕 | 九九免费观看视频 | 无码成人片一区二区三区 | 国产A级三级三级三级 | 久久精品国产精品久久久 | 国产91精品不卡视频 | 极品少妇xxxx精品少妇偷拍 | 天天做日日做天天爽视频免费 | 91网站在线免费?看 日本三级黄在线观看 | 高大丰满40岁东北少妇 | 国产无区一区二区三麻豆 | 性高爱久久久久久久久 | 91福利国产在线观看菠萝蜜 | 超碰98在线观看 | 午夜婷婷精品午夜无码a片影院 | 久久www免费人成—看片 | 婷婷九月丁香 | 国产成网站18禁止久久影院 | 精品一区二区三区网站 | 亚州中文av | 国产观看一区二区 | 亚洲日本韩国一区二区 | 91av视频播放 | 99久久免费看精品国产一区非洲 | 噼里啪啦免费看高清片 | 国产亚洲精品久久777777美腿 | 成人国产精品一级毛片视频 | 国产欧美一区二区精品婷婷 | 国产精品日本一区二区在线看麻豆 | 嗯好大好爽高潮了av大片 | 久久精品播放 |