rtv2 liquid silicone rubber for shoe insole machine injection
It is a two-component platinum cure silicone rubber which can be cured at room temperature and also can be heat cured.It can be used for making soft silicone rubber material for insole .
1.FDA & ROHS certificate.
2.No limitation with product thickness .Can do deep curing .
3.High temperature resistance (can reach 0~250 degrees ) ,acid and alkali-resistance and aging resistance
4.Light viscosity and good flowability .easy for pouring operation .
5.Can be cured both at room temperature or be heated
6.Low shrinkage.Not releasing low molecular during cross-linking process .So the volume is constant .The shrinkage rate is less than 0.1%.
7.Favorable tensile and tear strength
8.High temperature resistance ,acid and alkali-resistance and aging resistance
9.High duplication times .aging -resistance
10.Tasteless.no flammable,safe and reliable
11.Customize as you need
Item | Parameter | ||||
G-810 | |||||
Viscosity(cps) | 4000±500 | ||||
Hardness(A°) | 10±2 | ||||
Tensile Strength(kgf/cm²) | 30±2 | ||||
Tear Strength(KN/M) | 12±1 | ||||
Elongation(%) | 550±50 | ||||
Shrinkage Rate(%) | 0.1% | ||||
Mixing Ratio | 1:1 | ||||
Life Time(Min) | 20~30 | ||||
Curing Time (hr) | 2~3 | ||||
Temperature(℃) | 25 |
Step 1: Prepare the molds
Prepare an perfect mold and clean it totally before operation .
*Notes: Make sure your molds and operation tool cleaned up totally to avoid uncure problem .
Step 2: Mix part A and part B evenly
Take 100 G part A and 100 G part B and mix them evenly.
*Notes: Addition cure mold making silicone rubber is two parts flowing liquid, Please follow the step strictly:
1. Weigh the two part exactly by electronic weight.
If any part not in exactly weight , it may cause changing of hardness , or even cause uncure problem.
2. Mix part A and part B evenly.
Otherwise the silicone rubber will be partly cured and this will give birth to difficulties in your final operation. What’s more, the finished molds will meet a short life. All of these will cause a waste of silicon rubber.
Step 3: Vacuum pumping
Without exception, this step takes less than 10 minutes. Otherwise, it will cause cross linking reaction, and no more further steps will be available.
Step 4: Pouring casting
Clean your molds and brush a layer of release agent (detergent or soap water )on your molds .Pouring the vacuumed mixture silicone on your molds.
Warm tips :
As addition cure silicone is a kind of platinum cure system, which will be easy to cause uncure problem, so kindly follow the tips below
*Do not mix with liquid condensation silicone rubber or even the tool which used for condensation silicone
*Do not mix with organic matter which contains N, S, P organics and ionic compound like Sn, As,Hg, Ph,
*Do not add any pigment or powder into the addition cure silicone rubber without any testing to prevent uncure problem
1. It is a kind of non-dangerous goods. This product should be sealed and placed in a cool and dry place which should keep from sunlight and rain .
2. Especially note that the silicone should not touch or mix with compounds including nitrogen, phosphorus, sulfur, tin, lead or metal organic acid.
3. Addition cure Silicone RTV-2 is an environmentally-friendly liquid silicone product is not easy to burn which can be stored and transported as non-hazardous goods.
4. The shelf life is 12months from the date of production.
It can be reused after reinspection when it exceeds the storage period.
It is light viscosity and good flowability for easy pouring operation .It can be cured both at room temperature or be heated.
The favorable tensile and tear strength is good for insole injection