RTV mouldable silicone rubber for mold making

RTV-2 silicone rubber application:

[1] RTV-2 molding silicone rubber application
RTV-2 molding silicone rubber mainly applicable to make the silicone mould for decoration, resin crafts, lighting ornaments, candles, statues, model design, product exploitation, etc.

[2] RTV-2 molding silicone rubber features :

RTV-2 molding silicone rubber, silicon rubber are generally named two -component room temperature vulcanization silicone rubber, a kind elastic silicone rubber mold which features with resistance to deformation, high-temperature, acid-alkali and expansion

[3]Datesheet of RTV-2 silicone for mold making

HY-638 Mainly be used for making various mold which features detailed pattern crafts, plastic , resin products and so on.
Model      HY- 638   RTV  silicone rubber for mold making
Appearance      white
Mixing proportion of curing agent(%)         3-5
Operating time ( hours )   0.5
Curing time( hours ) 2-4
Hardness (A°)          35±2
Viscosity (CS)    32000±3000
Tensile-strength( kgf /cm2 )      47±2
Tear-strength (kgf /cm2 )   27±2
Elongation-break(%)          470
Retractility(%)   ≤0.25
Packing (kg/pail )      25,200

HY-728  white, the usage for poly crafts, lighting and candles ,molds in multiple pieces for large products.
Model       HY- 728  RTV  silicone rubber for mold making 
Appearance      white
Mixing proportion of curing agent(%)         3-5
Operating time ( hours )   0.5
Curing time( hours ) 2-4
Hardness (A°)           32±2  
Viscosity (CS)    26000±3000
Tensile-strength( kgf /cm2 )       35±2
Tear-strength (kgf /cm2 )   20±2
Elongation-break(%)         400
Retractility(%)   ≤0.25
Packing (kg/pail )      25,200

HY-630 white, the usage for poly crafts, lighting and candles, multiple piece molds for large product .

 
Model      HY-630 RTV silicone rubber for mold making 
Appearance      white
Mixing proportion of curing agent(%)         3-5
Operating time ( hours )   0.5
Curing time( hours ) 2-4
Hardness (A°)           28±2
Viscosity (CS)    24000±3000
Tensile-strength ( kgf /cm2 )      40±2
Tear-strength (kgf /cm2 )   25±2
Elongation-break(%)         400
Retractility(%)   ≤0.25
Packing (kg/pail )      25,200

[4]RTV-2 silicone rubber instruction:
RTV-2 molding silicone rubber are generally named as two-part room temperature sulfurated silicone rubber, which features an exceptional fluidity and good operability. When mixed with 2-3% curing agent, they can still be operated within 30 minutes, but will be formed after 2-3 hours. With resistance to deformation, high temperature, acid and alkali, and expansion, silicon flexible molds are used for mold duplication and delicate mold making for poli  crafts, resin crafts lighting and candle crafts.

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