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Product Description
Description
Silicone rubber for car and ship is a kind of two-component addition silicone material, consisted of part A and part B of flow-able rtv silicone rubber, which can be cured at room temperature or heated fast curing. It is a additional liquid silicone material with many features, such as excellent temperature resistance, high tear strength, non-toxic and odorless, not restricted by the thickness of products, depth curing, pouring or brushing, easy and convenient operation.
Features
1. Not restricted by the thickness of the products, depth curing
2. Excellent chemical resistance, temperature resistance performance can reach -50 ~ 250 ℃
3. Low shrinkage (≤0.1%)
4. High tensile strength, tear strength, can be used for hundreds of times
5. Good liquidity, easy for pouring; it can be cure at room temperature or heating
Application
It is a kind of polymer silicone rubber for car and ship mold making with high translucent, excellent temperature resistance, not restricted by the thickness of products. It is specially used for making molds, such as tire mold , auto parts mold, precision parts mold, yacht shell mold and all kinds of prototyping mold for car and ship.
Parameters
G series of addition molding translucent mold silicone rubber parameters (25℃)
|
Model |
G815 |
G820 |
G825 |
G830 |
G840 |
|
Color |
high transparent |
high transparent |
high transparent |
high transparent |
high transparent |
|
Hardness (Shore A°) |
15±2 |
20±2 |
25±2 |
30±2 |
40±2 |
|
Mixing Ratio (A:B) |
1:1 |
1:1 |
1:1 |
1:1 or 10:1 |
1:1 or 10:1 |
|
Viscosity(mPa.s） |
9000±1000 |
12000±2000 |
14000±2000 |
16000±2000 |
45000±5000 |
|
Tensile Strength(MPa) |
3.2 |
3.2 |
3.3 |
3.3 |
3.1 |
|
Tear Strength(kN/m） |
8±2 |
9±2 |
8±2 |
8±2 |
7±2 |
|
Elongation(%） |
460 |
460 |
420 |
420 |
170 |
|
Density (g/cm³） |
1.05 |
1.05 |
1.07 |
1.13 |
1.14 |
|
Operating Time(min) |
20-40 |
20-40 |
20-40 |
20-40 |
20-40 |
|
Vulcanization Time(h) |
3-5h（25℃） |
3-5h（25℃） |
3-5h（25℃） |
3-5h（25℃） |
3-5h（25℃） |
|
Linear Shrinkage Rate(%） |
《0.1 |
《0.1 |
《0.1 |
《0.1 |
《0.1 |
Attention
1. As it is easy to cause uncured problem for car&ship silicone rubber, please clean up all the tools which had mixed with condensation cure silicone rubber before use to avoid this kind of problem.
2. Viscosity, operation time, hardness can be adjusted according to the individual requirement.
3. Do not add water, organic tin catalyst, acids, alkali and other organic compounds containing sulfur, phosphorus and nitrogen, as they can affect the process of curing.
Packaging
1. A and B are 1:1 ratio conventional packaging:
40KG/set (A component 20KG+B component 20KG);
50KG/set (A component 25KG+B component 25KG);
400KG/set (A component 200KG+B component 200KG)
2. A and B are 10:1 ratio conventional packaging:
22KG/set (A component 20KG+B component 2KG);
220KG/set (A component 200KG+B component 20KG)
It can be packed according to customers' requirement.
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