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RTV2 Manual Model Design Liquid Silicone for Art Soap Mold Making
Descriptions of RTV2 Manual Model Design Liquid Silicone for Art Soap Mold Making
silicone rubber is generally named two-components silicone rubber, Part A and part B. It features an exceptional fluidity and good operability.
The mixing ratio is 1:1, mainly be suitable for making molds application.

Applications of RTV2 Manual Model Design Liquid Silicone for Art Soap Mold Making
silicone rubber could be mainly used for food mold, such as chocolate mold, cake mold , it is also used for making concrete stones, jewellery mold, wax molds, PU molds, resin molds, gypsum casting, candle molding,soap molds.
silicn molds for soap making
Advantages of RTV2 Manual Model Design Liquid Silicone for Art Soap Mold Making
1.Extreme long life span
2.Food grade material
3. Anti-aging
4. Excellent hand feeling
5. Colorful
6. Resist extreme temperature
7. Non-toxic, tasteless, non-corrosive, anticoagulant
8. Good compatibility with a lot of different materials
9. Different shape ,dimensions and hardness
Datasheet of RTV2 Manual Model Design Liquid Silicone for Art Soap Mold Making
| Model NO· | XB-725 | XB-625 |
| Mixing Ratio (by weight) | 100:3 | 1:1 |
| Appearance/Color | Translucent/White | Translucent |
| Hardness (Shore A) | 25±2 | 25±2 |
| Mixed viscosity(mPa·s) | 16000±500 | 2000±500 |
| Working Time(at 23℃/75℉, MINS) | 30~40 | 30~40 |
| Curing Time(at 23℃/75℉, HRS) | 3~5 | 3~5 |
| Tensile strength, Mpa | ≥4.2 | ≥5.5 |
| Tear strength, KN/m | ≥28.5 | ≥22.0 |
| Shrinkage, % | <0.2 | <0.1 |
| Elongation at break,% | ≥550 | ≥400
|

Operation instruction of RTV2 Manual Model Design Liquid Silicone for Art Soap Mold Making
1. Pls clear the model and tool totally before operation to prevent cure inhibition.
2.Weigh the two part correctly by electronic weight in two separate container .
3. Mixing the two part in 1:1 and stir part A and part B evenly in 2-3 minutes .
4.And get the mixture for vacuum-pumping for de-air the bubble in around 2-3
minutes . (If there is no vacuum machine, pls pour the mixture carefully and slowly
down the side of the mold frame so that less bubbles caused)
5. Enclose the product (the original model) with four plastic plates or wooden plates.
6. Clean your products and brush a layer of release agent(detergent or soap water) on
your product.
7. Pour the vacuumed mixture into the model frame from the side of the mold frame .
1.Why does the silicone mold appear to dry outside but wet inside?
Some molding silicone rubber is a kind of condensation cure silicone rubber, which would get solidified after absorbing moisture.
While in order to provide a significant shelf-life for the silicon rubber, we will dry out the water in the silicon rubber.
So when the humidness is lower than 50%, this would happen.
Solution: Add 0.1% water into the silicon rubber and Stir over a low speed briefly when you use it.
2.Why the silicone mould cured incompletely?
a. Inexact mixing ratio, didn’ t weigh the part A and hardner according to the standard ;
b. The silicone and catalyst have not been mixed evenly and totally.
We should pay attention to avoid this kind of problem, otherwise there will be a waste of silicone mold.
We have own lab with the experienced&professional R&D and production team as well as advanced devices. Here show only parts of the whole testing.
Packaging
Gernerally, Sibetter Silicone provide the silicone rubber with 20kg/25kg per pail.






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If you need any further information about the liquid silicone rubber, pls feel free to contact Vicky:
Web: www.sibetter.com
SKype: vicky(at)sibetter(dot)com
Whatsapp/ Wechat: +86-135 3863 9382
Tel: +86-0769-23077651
Fax: +86-0769-23077651
E-mail: vicky(at)sibetter(dot)com
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