1. RTV two components molding silicone rubber description :
RTV two components molding silicone rubber is suitable for gypsum casting and gypsum products moulding ,
1) gypsum cornices moulding, corbels, pilasters, artificial stones moulding
2) decoration, plate engrave moulding
3) human replica, art crafts,
4) resin crafts, unsaturated resin casting and moulding,
5) poly resin crafts, candle crafts, plastic crafts
6) stationeries, plaster crafts, Buddhist statue mold making.
2.RTV two components molding silicone rubberspecifications:
| Model | Appearance | Viscosity(cs) | Hardness(A°) | Tensile Strength(kgf/cm) | Tear Strength(KN/cm) | Elongation(%) | Mixing Ratio(%) | Operating Time(H/250C) | Curing Time(H/250C) |
| 625# | white | 18000~20000 | 25~27 | ~46 | ~26 | 450 | 2~3 | 0.5 | 4~6 |
| 630# | white | 28000~30000 | 30 ~ 32 | ~45 | ~30 | 470 | 2~3 | 0.5 | 4~6 |
3.RTV two components molding silicone rubberoperations:
rtv silicone mould making rubber for gypsum 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.
Notes of RTV two components molding silicone rubber operations:
The time for vacuum-pumping should be less than 3-5mins, otherwise, once the silicone rubber has cross-link reaction during vacuumizing, it will not be operated.
For more information , pls feel free to contact Mr Ford:
Tel: +86-0755-89212380
Mob: +86-13076981707
Skype: ford1101
Website:www(dot)szrl(dot)net
Email:fordhu1988(at)gmail(dot)com
fordhu1988(at)outlook(dot)com
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