1.Description of mold making liquid silicone rubber for culture veneer stone mold

C830 Silicone rubber is condensation cure silicone rubber for mold making. The silicone rubber will be cured under room temperature, It’s two-components, the mixing ratio is 100:2 . Part A is a flowable liquid silicone , part B is the catalyst. It has an exceptional fluidity and good operability. 

 

2.Characteristics of mold making liquid silicone rubber for culture veneer stone mold 

*An exceptional fluidity and good operability, easy to demold
*Good tensile strength and tear strength
*soft hardness
*copy detailed pattern 
*good flexibility

*eco-friendly

*long shelf-time &lifetime

 

3.Application of mold making liquid silicone rubber for culture veneer stone mold 

C830 silicone rubber is perfect molding material., it is suitable to make mold for concrete stone, cement casting , gypsum decocations, plaster product, resin craft, soap,candle, bronze casting, wax, crystal, tyre mold ,shoe mold ,clay casting ,soap mold,ceramic casting ,etc..

 

C830 Silicone rubber is mainly suitable  middle sized product and big size with simple pattern

 

4.Datesheet of mold making liquid silicone rubber for culture veneer stone mold  

Item No.	Appearance	Hardness (shore A°)	Viscosity (CPS)	Tensile-strength( kgf /cm2 )	Tear-strength (kgf /cm2 )	Elongation-break(%)	Mixing ratio	operation time (25 ℃ )	Curing time( 25 ℃)	shrinkage
C830	White	30±2	22000±1000	≥45	≥26	≥480	100:3	20-30 mins	2~3 h	≤0.3%

 

5. Using instructions of mold making liquid silicone rubber for culture veneer stone mold 

Step 1: prepare and clean the prototype.
You must make sure your original molds perfect. fix the original mold on a board , then using some assistant material(like cardpaper) to make a frame for to surround the prototype. The frame is no need ,if we make the mold by brushing way .

 

 Step 2: Take the silicone and catalyst as the ratio 100:2 (silicone:catalyst=100:2) ,mix the silicone rubber and catalyst evenly. 
*Notes: Molding silicon rubber is a kind of flowing liquid and it contains two parts. Part A is a kind of flowing liquid and part B is the curing agent. Remember to mix part A and part B evenly, otherwise the silicon rubber will be partly solidified and this will bring troubles for your final operation. What’s more, the finished molds will have a short life. All of these will cause a waste of silicon rubber.

 

Step 3: Vacuum pumping

After mixed the silicone evenly, it is better to release the bubble by Vacuum pumping.

Step 4: Pouring cast or brushing cast

After released the bubble, we can pour/brush the silicone rubber on the prototype 
*Notes:Please finished all the steped within the operation time .If not it will cause cross linking reaction, and no more further steps will be available.So,we have to pay attention to the pot life and curing time.

 

Packing

Package
25KG/drum vacuum packing for part A +1kg/ bottle catalyst for part B

200KG/drum packing for part A +1kg/ bottle catalyst for part B

 

Shelf life

1. Twelve(12) months when stored under dry and cool place by original package under 25℃

 

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Any inquiry, feel free to contact Ms. Bella:

Email:bella(at)gcsilicone(dot)net

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