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Brief Introduction of Mold Making Liquid Silicone Rubber
Liquid Silicone Rubber is a two component material,and it consist of Part A base silicone and Part B curing agent.When the two parts mix together and pour or brush on a object,the silicone base and curing agent can cure to be a silicone mold at room temperature;and 24 hours later,the silicone mold can be released from the object,and then the silicone mold can be poured into the following material to copy: plaster,polyurethane, PU, GRC, cement, resin, polyester, wax etc...
Specifications of MC Liquid Silicone Rubber
Room Temperature Vulcanization
Equipped with REACH certificate
Professional technician with rich experience
4% catalyst offers for free of charge
Silicone hardness range: 10-60 shore A
High duplicating silicone molds
Main Characteristics of Mold Making Liquid Silicone Rubber
Good flowability for better operation
Medium hardness for better duplication
High tearing and tensile strength
Low shrinkage
Extensive Applications of Mold Making Liquid Silicone Rubber
Mold Making Liquid Silicone Rubber can be applied in many objects mold making, since MC liquid silicone rubber has good flow ability and medium hardness, and the silicone can cure at room temperature, thus it's a good material for duplication.
Liquid Silicone Rubber can be used for artificial stone mold making. For example,RTV2030, RTV2066 and RTV2088 silicone.
Liquid silicone rubber can be applied in candle and soap mold making, such as RTV215 and RTV218 silicone.
Liquid silicone rubber can be used for plaster mold making, such as RTV2025, RTV2028 and RTV2030 silicone.
Liquid silicone rubber can be applied in the field of shoe sole mold making, for example, RTV3010 and RTV3015 silicone.
Liquid silicone rubber can be used for prototyping and electronic potting.
Liquid Silicone Rubber can be used in the duplication of cement molds, concrete stones, artificial stones, plaster molding, figures, art objects, decoration molding, GRC products, gypsum products, resin products, PU molds. Etc.
One Datasheet of Mold Making Liquid Silicone Rubber
| Item | RTV 920 |
| Color | Liquid white |
| Curing agent | CA30 |
| Mixing ratio | 10:1 |
| Mixed viscosity | 10000~12000 cps |
| Working time | 60-80 Minutes |
| Curing time | 8-12 Hours |
| Hardness | 18-20 Shore A |
| Tear Strength | 30 N/mm |
| Tensile Strength | 4 MPA |
| Relative density | 1.1-1.15 g/cm3 |
| Elongation at break | 530% |
Procedures for Mold Making Liquid 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 is 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 mins 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.
The information above is just for reference, if you're interested or have any questions, please feel free to contact Nicole:
Web:www(dot)mcsilicone(dot)com
E-mail:nicole(at)mcsilicone(dot)com
Skype:nicoleszmc
MSN: nicoleszmc (at)hotmail(dot)com
