MC Silicone RTV-2 Mold Making Silicone Rubber
Condensation cure system
Description of Architectural art decoration molding RTV silicon rubber:
Architectural art decoration molding RTV silicon rubber is a two-component material, and the silicone rubber includes Part A base silicone and Part B the curing agent. The Part A base silicone and Part B curing agent can cure at room temperature by a condensation reaction.
Applications of Architectural art decoration molding RTV silicon rubber:
Ornamental elements: Cornices, columns, ornaments, statues
Figurines, toys, candles, statues, gift items
Furniture: Furniture and decorative pieces
Construction: Decorative Objects, pavement, paving stone, columns
Foundries art: The art of molds for lost wax casting.
Architectural art decoration molding RTV silicon rubber offers the following advantages:
Good flow.
Excellent mechanical properties, particularly tear strength.
Excellent flexibility and low module facilitate demolding.
How to make the silicone mold?
1. Preparing
The surface of the original objects should be clean and free of loose material. If your products have thin flower patterns, and especially have porous substrates, please use a suitable mold release agent such as soap water, detergent, Vaseline or petroleum jelly.
2. Mixing
Please weigh Part A silicone base and part B CA30 Curing Agent with ratio of 100: 2 into a clean container. Stir Part A base silicone thoroughly before use, then Mix Part A and Part B evenly until the curing agent completely dispersed in the silicone base. Manual or mechanical mixture can be used, but do not last much time or allow the temperature to exceed 35° C (95° F). It's suitable to mix small quantities to ensure thorough mixture of silicone base and curing agent.
Note: It is strongly recommended that entrapped air be removed in a vacuum chamber, allowing the mixture to completely expand and then collapse. After a further 1 to 2 minutes under vacuum, the mixture should be inspected and can be used if free of air bubbles. A volume increase of 3-5 times will occur on vacuum de-airing the mixture. So a suitably large container should be chosen.
3. Pouring the mixture and curing
Pour the mixed Part A base silicone and CA-30 curing agent as soon as possible onto the original object, avoiding air entrapment. The catalyzed material will cure to a flexible rubber within 6 hours (or faster by different mixing ratio or room temperature), we advice you de-mold after 24 hours, it is will improve the replicate times of silicone mold.
Storage of Architectural art decoration molding RTV silicon rubber:
When the silicone rubber is stored at or below 30 centi degree in the original unopened containers, RTV2 Silicone Base and CA30 Curing agent have a usable life of 10 months from the date of production. After 10 months stockpiles use the Stir to mix the Part A silicone for some minutes, then the silicone can be use again, no influence for other performance.
Package of Architectural art decoration molding RTV silicon rubber:
Part A base silicone: 20kg/drum, 25kg/drum or 200kg/drum
Part B CA30 Curing Agent: 800g/bottle, 1kg/bottle
Professional factory of RTV-2 Molding Silicone:
We are manufacturer, and specialized in manufacturing different hardness, different viscosity silicone rubber series, we are competitive in price with good quality.
MINGCHENG GROUP LIMITED
| Item No.: |
MCSIL-H25 |
| Color: |
White |
| Viscosity: |
30000 cps |
| Hardness: |
25-28 shore A |
| Mix Ratio: |
100:2 |
| Pot life: |
30-40 minutes |
| Curing time: |
4-6 hours |
| Tensile strength: |
4.5 Mpa |
| Tear Strength: |
32 N/mm |
| Elongation: |
511% |
| Shrinkage: |
0.3% |
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