扒开粉嫩小泬舌头伸进去,性高湖久久久久久久久aaaaa,日韩精品无码人妻免费视频 ,总裁把她的乳尖都吸大了

Hotline:0755-84833020
200g of silica gel desiccant
200g of silica gel desiccant
Silica gel desiccant is a highly active adsorption material, usually sodium sulfate and sulfuric acid reaction, and the aging, acid bubble after a series of process and system. Belong to amorphous silicate material, its chemical formula msi02, nH20. Insoluble in water and any solvents, avirulent insipidity, stable chemical properties. Various types of silicone because of the different manufacturing methods and form different microporous structure. Chemical group and physical structure of silica gel, determines its has many and other features of similar materials difficult to replace: good adsorption, stable chemical properties, such as high mechanical strength.

Hotline:0755-84833020
  • Description

1.It will adsorb up to 34%of its own weight in water vapour. This adsorption efficiency is approximately 30 greater than typical desiccant clays, making silica gel the preferred choice where weight or efficiency are important factors.
2. It has an almost indefinite shelf life if stored in airtight conditions.
3. It can be regenerated and reused if required. Gently heating silica gel will drive off the adsorbed moisture
and leave it ready for reuse.
4. It is a very inert material, it will not normally attack or corrode other materials and with the exception of
strong alkalis and hydrofluoric acid is itself resistant to attack.
5. It is non-flammable.
6. It is most frequently and conveniently used packed in a breathable sachet or bag. These are available in a wide range of sizes suitable for use with a wide range of applications.Packing detail of Silica gel desiccant:
Weight: From 0.5G to 2000G
Package: Composite paper, cotton paper, non woven fabric , grid paper, opp bag, aihua paper, tyvek paper ,etc.
Printing version: English, Spanish, French, Japanese, Korean, etc.
Outer package: Cartons or drums.

Application:Applied to package of shoes,garment,furniture,Military Use,Container,Electronic products,leather-wear,art ware,gift box, Jewel box,tea leaf box etc.


Previous:Calcium chloride desiccant
Next:2g of silicone Du Bangzhi

老师露出两个奶球让我吃奶头 | 色yeye香蕉凹凸一区二区-| 国产99视频精品免视看9| 放荡的丝袜人妻老师| 大肉大捧一进一出视频| 好爽又高潮了毛片免费下载| 我把护士日出水了视频90分钟| 人妻无码视频一区二区三区| 欧美日韩视频在线第一区| 国产午夜精品久久久久免费视| 精品国产乱码久久久久久浪潮| 国产麻豆成人精品av| 在线精品亚洲一区二区| 国产欧美一区二区精品性色| 伊人热热久久原色播放www| 亚洲AV色香蕉一区二区三区蜜桃 | 国产精品黄在线观看免费软件| 国产又粗又猛又爽又黄| 国产高清不卡一区二区| 亚洲一区二区三区av天堂| 亚洲av无码专区国产不卡顿| 丰满护士巨好爽好大乳小说| 国产jk精品白丝av在线观看| xxxx漂亮少妇xxxxhd| 国产麻豆精品一区| 京东app下载安装官网免费下载| 国内精品无码一区二区三区| 一边捏奶头一边高潮视频| 精品无人区无码乱码av片国产| 3d全彩无码啪啪本子全彩| 国产老头老太作爱视频| 亚洲欧美激情精品一区二区| 欧美猛交xxx无码黑寡妇| 女邻居丰满的奶水在线观看| 无码精品a∨在线观看免费| 日韩精品久久久久久免费| 国产精品扒开腿做爽爽爽视频| 欧美三级乱人伦电影| 亚洲av午夜成人片精品网站| 年轻的小婊2韩剧中文版| 国产98色在线 | 国产|