Transparent Silicone Rubber for Prototyping Optical Clear Liquid Silicone Rubber

China Transparent Silicone Rubber for Prototyping Optical Clear Liquid Silicone Rubber, Find details about China Transparent Silicone Rubber, Buddha Statue Mold from Transparent Silicone Rubber for Prototyping Optical Clear Liquid Silicone Rubber

Model NO.
HY-Q625
HS Code
3910000000
Model NO.
HY-Q625
HS Code
3910000000

HY-Q625 Addition Cure Mold Making Silicone Rubber

Product Description

 

HY-Q625 is a kind of two part silicone rubber in addition cure or platinum cure type with mixing ratio of 1:1 or 10:1 . It can cure at room temperature as well as under heat . It's a kind of food grade silicone and mainly used for mold making.

 

 

Applications

 

HY-Q625 silicone rubber is mainly used for rapid prototyping and tyre molds;  making molds of concrete stone,GRC,polyurethane products ; wax, candle decoration ; chocolate,candy and similar products .

 

 

Technical datasheets

 

Model

Color

Mixing ratio (%)

Pot life (mins,

under 25ºC)

Curingtime

 

Hardness  ( Shore A )

Tensile-

strength  (MPa)

Tear-

strength (kN/m)

Viscosity

(After A/B mixed ,mPa.s)

Shrinkage

rate (%)

Elongation

(%)

HY-Q625

Transparent

1:1 or 10:1

20-40

3-5(hrs under 25ºC)

20-30 (mins under 60ºC)

25±2

 

3.3

 

 

8±2

 

25000±2000

 

0.1%

  420%

 

 

 

Characteristics

 

*An exceptional fluidity and good operability, easy to demold

*Good tensile and tear strength

*Outstanding bubble releasing

*Non-deformation

*Low shirinkage

*Aging resistance ,high temperature resistance (200ºC)

*Environmentally, food-grade

 

 

Operation steps

 

Step 1: prepare the original molds 

Prepare an perfect original mold and clean it totally before operation .

*Notes:Make sure your original molds and operation tool cleaned up totally to avoide uncure problem .

 

Step 2: Take 100 G part A and 100 G part B (Or 100 G part A and 10 G part B) and mix them evenly.

*Notes: Addition cure mold making silicon rubber is two part flowing liquid , Pls 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 silicon rubber will be partly solidified 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 across linking reaction and no more further steps will be available.

 

Step 4: Pouring casting or Brush operation

*Notes:

1. For simple pattern products we suggest use pouring operation way , which will be very easy to operate and demould. Pourable silicone require light viscosity which will be easy to flow smoothly and easy to de-air .

2.For delicate pattern products we suggest use brushing operation way , which can copy the pattern exactly . Brushable silicone require high viscosity which won't be easy to flow away and easy to brush .  

3. We sugges to set the silicone mold for another 12 hours after demould before put into large production .

 

Warm tips :

1.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 liuqid 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