a色网站I国产麻豆精品thepornI久久精品第一页I超碰97干I黄色xxxI欧美一区二区三区黄片I日韩女优中文字幕I久久青草视频I天天添天天操I日韩午夜精品视频I男性裸体全身精光gayI免费黄色大片I免费精品视频在线I91视频分类I久久99久久99精品蜜柚传媒I久久av秘一区二区三区Iav手机在线观看I色爱视频I日韩视频免费播放I成人精品喷水视频wwwI国产69精品久久I久久久久久久九九九九I人人看人人射I欧美激情亚洲I香蕉视频链接I不卡影院一区二区

dual liquid silicone low pressure molding
Two-Component Liquid Silicon Introduction

      Two-component liquid silicon consists of two parts, A and B, which are flowable. The B component contains platinum catalyst or other auxiliary, two components need to be mixed together in a certain proportion into the heated mold to solidify. It can be cured at room temperature or cured faster by higher temperature.

      Two-component liquid silicon is generally divided into two categories: condensation type and addition type. The condensation type has poor adhesion to the components and the encapsulated cavity, and the low molecular substance will be released in the curing process. Therefore, the condensation type has obvious shrinkage in the curing process, while the addition type has almost no shrinkage. For electronic products, addition type liquid silicon is generally used, combined with special two - component liquid silicon equipment and rapid vulcanization of colloids under the condition of heating.

Two-component liquid silicon features:

1. Flame retardant: up to grade UL94-V0.

2. High tensile and high anti - tearing, not easy to deform.

3. It is not restricted by product thickness and can be vulcanize to a great depth.

4. Shrinkage is less than one thousandth, no low molecular produced, high accuracy.

5. Good fluidity and easy potting, can be cured at room temperature or cured by heating.

6. Can be adjusted to low viscosity for smaller components or for small gaps in the component.

7. It can be specially adjusted to be transparent or non-transparent according to customer requirements. 

8. Food grade non-toxic and tasteless. Comply with FDA food certification and SGS environmental materials certification.

9. Excellent chemical resistance, corrosion resistance, yellowing-resistant, thermal stability and weather resistance (service temperature -60℃--250℃).   

Two-component liquid silicon specification

Specification

Color

Transparent and non-transparent (multiple colors)

A、B ratio

1:1~10:1

Part A viscosity(10000CPS)

8.5—9

Operable time(25℃/min)

20-60

Cure time 60℃-150℃/Min

15~3

Potting temperature(℃)

75~160

Density(g/m3)

0.9~1.5

Viscosity(cps)

1800~3200

Hardness(JIS A)

30~50

Elongation(%)

300-650

Tearing strength(KN·m-1)

≥20

Thermal conductivity [W(m·K)]

≥0.2

Dielectric strength(kV/mm)

≥25

Dielectric constant(1.2MHz)

3.0~3.3

Flammability rating

94-V1

Note: different specifications of the silicon can be adjusted according to customer demand. Includes different viscosity, color transparency hardness, etc. 

主站蜘蛛池模板: 日本美女毛茸茸 | 在线观看黄色录像 | 久久一热| 水蜜桃一二三区 | 日本精品久久久久中文字幕 | 久一精品视频 | youjizz久久| 国产天堂一区 | 久久中文字幕一区二区三区 | 国产精品国产三级国产aⅴ中文 | 147人体做爰大胆图片成人 | 中文字幕一区二区三区波野结 | 国产成a人无v码亚洲福利 | 日爽夜爽| 久爱天堂 | 日韩性视频 | 91国产丝袜在线播放动漫 | www亚洲精品 | 亚洲av综合色区无码一二三区 | 香蕉久久av一区二区三区 | 老湿机69福利区午夜x片 | xxxxxhd亚洲人hd | 成人精品三级 | 黑人巨大精品一区二区在线 | 国产区在线观看 | 嫩草福利视频 | 亚洲国产91 | 献给魔王伊伏洛基亚吧动漫在线观看 | 天堂伊人网 | 亚洲色图自拍 | 欧美大尺度床戏做爰 | 欧美高清xxxxx | 亚洲国产福利视频 | 亚洲高清福利 | 人妖黄色片 | 少妇淫片免费看大片动漫版app | 国产综合久久久久久 | 国产地址 | 天堂网中文在线 | 天天躁日日躁狠狠躁性色avq | 精品无码av无码免费专区 |