Description
Description of RTV silicone rubber Liquid Tin-based silicones, also called condensation cure silicone, are two- component materials which can cure at room temperature to flexible, high tear-strength rubbers. Tin cured silicone can be poured onto models or they can be made brushed by adding a thixotropic additive. They are ideal for molds where easy release or high temperature resistance (Max 200 C) is required.
| Item no. | MCSIL-H20 |
| Color | white |
| Viscosity | 24000±2000 cps |
| Mix ratio | 100:5 |
| Pot life | 45-50 mins |
| Curing time | 6-8 hrs |
| Hardness | 20 shore A |
| Tensile strength | 4.7 Mpa |
| Elongation | 530% |
| Tear Strength | 35 N/mm |
| Shrinkage | 0.3% |
Characteristics of RTV silicone rubber resistance to deformation,
high-temperature resistance,
acid-alkali and expansion
high reproduction times,
low Linear shrinkage rate , good constructure stability .good tensile strength, tear strength and elongation, Applications of RTV silicone rubber Tin cured silicone can be used for casting polyurethane, epoxy, polyester resin, PU resin, cement, plaster, gypsum, candle, soap, waxes, toys crafts, poly resin crafts, Lighting, plastic toys, stationery gifts, statue, relieve furniture, furniture decorative materials, artificial stone, building decoration material, sculpture, sandstone, low melt alloys/metals, urethane and so on.
Instructions for RTV silicone rubber 1. Make sure the surface of the original is clean and free of loose material.
2. Weight 100 Part A base and 2 parts of CA30 Curing Agent in a clean container.
3. Stir Part A base silicone before use thoroughly, as filler separation may occur upon prolonged storage.
4. Mix Part A and Part B evenly until the CA30 completely dispersed in the base.
5. Pour the mixed Part A base silicone and CA-30 curing agent as soon as possible onto the original
6. De-mold after 24 hours, it will improve the replicate times of silicone mold.
Note: It is strongly recommended that entrapped air be removed in a vacuum chamber, allowing the mix to completely expand and then collapse. After a further 1-2 minutes under vacuum, the mix 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.Packing of RTV silicone rubber 5kg/plastic drum, 25kg/plastic drum, 25kg/steel drum or 200kg/drum
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