97人洗澡从澡人人爽人人模 ,精品欧美小视频在线观看,天天躁狠狠躁狠狠躁夜夜躁,国产精品www夜色视频,男男欧美一区二区,忍不住的亲子中文字幕,国产艳妇av在线出轨,又大又粗一级毛片
CN1688
Product Center
- -
Silica for Silicone Rubber

This series of products has high specific surface area, fine and uniform particles, and low impurity content. It has excellent yellowing resistance and high transparency when used in middle and high-end silicone rubber, and can improve the hardness, tensile and tear strength of silicone rubber products.

Modified silica

This series of products are refined by compound modification of organic compounds. The products have excellent hydrophobicity and dispersibility, high specific surface area and low water content. It has excellent dispersion and reinforcement properties in the application of medium and high-end silicone rubber; it has excellent dispersion, adsorption, thickening and anti-settling effects in defoaming agents.

Silicon Dioxide for Oral Cleaning

This series of  products are quite transparent and dispersible, and have a low refractive index, high purity, and high whiteness degree. With gentle friction function, compatible with fluorine, they can be widely used in all kinds of transparent Chinese herbal toothpaste containing fluorine to eradicate stains on the teeth surface.

Matte silica

This series of products has high pore volume, uniform pore size and particle size distribution, and high specific surface area. It is widely used in medium and high-end wood paint, plastic paint, metal paint, leather, paper, ink and other products. The effect of precipitation, good recoatability, can make the surface of the product have excellent transparency, smoothness and scratch resistance.

Silica for high-efficiency thermal insulation

Silica products for high-efficiency thermal insulation have the characteristics of small bulk specific gravity, low thermal conductivity and low thermal expansion coefficient. It can effectively reduce the quality of the thermal insulation material and improve the thermal insulation effect of the material.

Silica for PE battery separator

Silica products for PE battery separators have excellent dispersion and high porosity, which can improve the pore distribution and mechanical properties of composite separators, and improve the conductivity and service life of separators.

主站蜘蛛池模板: 国产免费踩踏调教视频| 精品一区二区三区在线观看l| 女同另类激情在线三区 | 国产寡妇树林野战在线播放| 欧美激情在线播放| 亚洲国产一区二区三区最新| 伊在人亚洲香蕉精品播放| 少妇被粗大猛进进出出| 无码人妻视频一区二区三区 | 97成人精品视频在线播放| 一本加勒比hezyo无码专区| 国产综合在线观看| 亚洲色成人www永久网站| 日本一区二区三区激情视频| 国产午夜福利在线观看视频| 在线播放国产一区二区三区| 国产一级α片| 国产精品成人va在线观看| 国产又滑又嫩又白| 国产★浪潮AV无码性色| а天堂中文在线官网| 日产精品一卡2卡三卡4乱码| 久久久黄色片| 免费观看羞羞视频网站| 日韩激情无码免费毛片| 三级黄色片一区二区三区| 国产成视频在线观看| 无码片久久久天堂中文字幕| 国产一区二区三区视频免费| 国产精品视频一区二区三区无码| 欧美日韩第一区| 亚洲精品网站在线观看你懂的| 色婷婷亚洲一区二区三区| 91久久精品日日躁夜夜躁欧美| 国产精品久久久久9999| 欧美精品AⅤ在线视频| 国产丝袜美腿诱惑在线观看| 在熟睡夫面前侵犯我在线播放| 人在线看天堂无码| 无码国产日韩精品一区二区| 永久免费毛片在线播放|