RTV-2 Silicone Rubber for Molding Purpose

Brand:aa

Product detail:

Brief Introduction of RTV-2 Silicone Rubber

 

RTV-2 silicone rubber is a two component material,and the silicone rubber 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...

 

Extensive Applications of RTV-2 Silicone Rubber

 

RTV-2 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.

 

Specifications of MC RTV-2 Silicone Rubber

  

Equiped with REACH certificate 

Professional technician with rich experience 

4% catalyst is offered for free of charge 

Silicone range:10-60 shore A  

High duplicating silicone molds 

  

One Datasheet of  RTV-2 Silicone Rubber 

  

Item	RTV 2028
Color	Liquid white
Curing agent	CA30
Mixing ratio	100:2
Mixed viscosity	28000~30000 cps
Working time	30-40 mins
Curing time	4-6 Hours
Hardness	27-28 Shore A
Tear Strength	30 N/mm
Tensile Strength	4.5 Mpa
Relative density	1.11~1.15g/cm3
Elongation at break	511%

 

 

Instruction of RTV-2 silicone rubber 

 

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 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 RTV-2 Silicone Rubber

 

When the RTV-2 silicone rubber is stored at or below 30 °C (85 F) in the original unopened containers, RTV2 Silicone Base and CA30 Curing agent have a usable life of 12 months from the date of production. After 12 months, please use a stirring mill to stir the Part A silicone for some minutes, then the silicone can be use again, without any influence to the characteristics.

  

Packing of RTV-2 Silicone Rubber

 

Part A base silicone: 20kg/drum, 25kg/drum or 200kg/drum

Part B CA30 Curing Agent: 0.25kg/bottle,1kg/bottle and 10kg/bottle

 

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