RTV 2 silicone rubber make molds for plaster casting

RTV 2 silicone rubber make molds for plaster casting

Molding silicone rubber  for gypsum application:

Molding silicone rubber is suitable for product duplication and molds manufacture such as
1) toys, gifts
2) decoration, plate engrave
3) human replica, art crafts,
4) resin crafts, unsaturated resin crafts
5) poly resin crafts, candle crafts, plastic crafts
6) stationeries, plaster crafts, Buddhist statue crafts, etc.

Molding silicone rubber  for gypsum features:

a. good characteristics of easy-operation
b.light viscosity and good flowability
c. favorable tension
d. low shrinkage
e. no deformation
f. high temperaure resistance, acid and alkali-resistance and ageing resistance

Advantage of molding silicone rubber  for gypsum:

Molding silicone rubber has advantage of excelenlt fluidity and good operational performance, an elastic silicone rubber mold will be obtained with resistance to deformation, high-temperature, acid and alkali and expansion, comfortable duplication times and free sample avalibale.

Molding silicone rubber  for gypsum specifications:

RTV620 good for small size products mould making by pouring way

RTV625 good for middle size products mould making by pouring way or brushing way

RTV-630 good for large size products mould making by brushing way

Molding silicone rubber operations:

Molding silicone rubber is a kind of flowing liquid, and it consists of two component, part A is a flowable liquid silicone rubber, part B is the curing agent.

Firstly, after your previous work of dealing with the original model, take some liquid silicone rubber, add 2%~3% cuing agent of the amount of silicon and mix them evenly.

Then after vacuum-pumping the mixture, you can pour it into the mold frame. The silicone mold will cured in 2~3 hours.

Model of RTV 2 silicone rubber: 

RTV 2 silicone rubber RTV-630#:

Usage: Silicon rubber for PU/poly resin products, plaster, candles, gypsums crafts,  cement products, concrete/architectural products,  statuary, casting molds making, etc.

Operations for RTV 2 silicone rubber:

Step One to use RTV 2 silicone rubber: Take 100g of part A and add 2g of part B and mix the silicon rubber and the curing  agent evenly.

Step Two to use RTV 2 silicone rubber: vacuum pumping

Without exception, this takes less than 10 minutes. Otherwise, it will cause cross linking reaction, and no more further steps will be available.

Step Three to use RTV 2 silicone rubber: Brushing cast & Perfusion Molding operation.