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Concrete RTV2 Liquid Silicone Rubber for Roman Column Mold Making
1. Description of Concrete RTV2 Liquid Silicone Rubber for Roman Column Mold Making
RTV-2 mold making silicone rubber is generally named as two part silicone rubber that vulcanizes at room temperature.Part A is a flow able liquid, part B is the catalyst.
2. Characteristics of Concrete RTV2 Liquid Silicone Rubber for Roman Column Mold Making
• Easy to use
• Reproduce intricate details
• Resist tearing with repeated use
• Provide good resistance to most chemicals
• Offer variable cure times at room temperature
• Flexible to reduce de-molding and stress problems
3. Application of Concrete RTV2 Liquid Silicone Rubber for Roman Column Mold Making
• Artificial stone products molding, Wax casting
• Making molds for gypsum, GRC, concrete, resin products etc
• Casting for Statue,Buddha, Christmas ornaments, sculptures, figures etc
• Unsaturated rein crafts,epoxy resin crafts, poly resin crafts, polyester resin
•Decoration building mold making (cornice,column, balustrade, ceiling, pedestals, fountains, mantels, wall ornament, planter, furniture decorative etc.)




4. Datasheet of Concrete RTV2 Liquid Silicone Rubber for Roman Column Mold Making
Model NO· | XB-730 | XB-735 | XB-740 |
Mixing Ratio (by weight) | 100:3 | 100:3 | 100:3 |
Appearance/Color | Translucent/White | Translucent/White | Translucent/White |
Hardness (Shore A) | 30±2 | 35±2 | 40±2 |
Mixed viscosity(mPa·s) | 20000±500 | 20000±500 | 18000±500 |
Working Time(at 23℃/75℉, MINS) | 30~40 | 30~40 | 30~40 |
Curing Time(at 23℃/75℉, HRS) | 3~5 | 3~5 | 3~5 |
Tensile strength, Mpa | ≥4.0 | ≥4.0 | ≥3.9 |
Tear strength, KN/m | ≥25.2 | ≥19.5 | ≥19.5 |
Shrinkage, % | <0.2 | <0.2 | <0.2 |
Elongation at break,% | ≥480 | ≥480 | ≥300 |
Dongguan Sibetter New Material Co.,Ltd. that established in 2005, is a science and technology corporation which is engaged in production, R&D, and sales of organic silikon new material.
SIBETTER has its own lab and factory with the experienced&professional R&D and production team as well as advanced devices. SIBETTER’s silikonrubber has achieved the international advanced level with authentication of SGS, FDA, RoSH, UL and ISO9001 quality management system, etc. And SIBETTER is providing customized products and solutions and makes optimization for production to meet different needs.
Now, SIBETTER are offering various kinds of silikon rubber in several industries, and its products have been exported to the Southeast Asia, Europe, America and other countries and regions with good reputation and high repurchase ratio. Our products included 18 series in hundreds of kinds of silikon products like silikon rubber, liquid silikon rubber, RTV-2 molding silikon rubber, condensation cure silikon rubber, addition cure silikonrubber, life casting silikon, food grade silikon rubber, tyre mold silikon rubber, silikongel, liquid foamingsilikon, etc.

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.
Why Choose Us?
a. Free technical training on products usage and operation instructions
b. Provide considerate after-sales services;
c. Over 10 years of liquid silicone production experience;
d. Professional R&D team and sales team;
e. Top quality & competitive price advantage.
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Any further more information about the liquid silicone rubber, please feel free to contact us:
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