RTV-2 silicone rubber for mold making

RTV-2 silicone rubber for mold making general usege :

RTV-2 silicone rubber for mold making primarily intended for gypsum fountain, poly resin crafts, PU crafts, PU resin crafts, gypsum crafts, unsaturated resin crafts, lighting and candles crafts, plastic toy, stationery gifts crafts industry, a large statue Buddha, relievo furniture, furniture decorative materials, statues Buddha, artifacts copied, building decoration materials, large-scale cement mold, artificial fossils Factory, Europe component factory, simulation landscapes, animals and plants sculpture, sandstone crafts and so on.

Application of RTV-2 silicone rubber for mold making

RTV-2 silicone rubber for mold making is mainly be used as following:

1.   RTV-2 silicone rubber for mold making can used for poly resin crafts, PU crafts, PU resin crafts ,gypsum crafts ,unsaturated resin crafts, lighting and candles crafts ,plastic toy , stationery gifts crafts industry,

2.   RTV-2 silicone rubber for mold making is applicable for  large statue Buddha, relievo furniture, furniture decorative materials, statues Buddha, artifacts copied, building decoration materials, large-scale cement mold,

3.  RTV-2 silicone rubber for mold making is intend for artificial fossils Factory, Europe component factory, simulation landscapes, animals and plants sculpture, sandstone crafts and so on.

Features of  RTV-2 silicone rubber for mold making

1 Two part of liquid fluid: liquid white silicone and curing agent.

2 Cure at room-temperature within 4-8 hours, but all performance will act perfectly when it cure within 24 hours.

3Good fluidity andexcellent operation.

4 Good resistance to weather, temperature, aging, acid..

5 Excellent tear strength, comfortable duplication times.

Datasheet of  RTV-2 silicone rubber for mold making

Model:  E642 #  RTV-2 silicone rubber for mold making

Appearance: Translucent

Viscosity (cs): 8000-9000

Hardness (A): 42

Tensile strength(kgf/cm² ) ≥35

Tear strength (kgf /cm):≥70

Elongation break(%):≥600

Retractility (%):≤0.1

Curing agent mixed rate : 1:1

Operate time (min): 30

Curing time (hours): 2-4

Model: 625#  RTV-2 silicone rubber for mold making

Appearance:white/red

Viscosity(cs):18000-22000

Hardness(A):23-27

Tensile strength(kgf/cm): 38-45

Tear strength (kgf /cm): 30-35

Elongation break(%): 700

Retractility(%):≤0.3

Curing agent mixed rate(%):2-3

Operate time(min):30

Curing time(hours):2-4

Mixing proportion of curing agent:4%

Model:  725#   RTV-2 silicone rubber for mold making

Appearance: white

Viscosity (cs):  19000-22000

Hardness (A):  25±2

Tensile strength(kgf/cm² ): 30-38 

Tear strength (kgf /cm): 25-30

Elongation break(%): 600

Retractility (%):≤0.2

Curing agent mixed rate (%):3-5

Operate time (min): 30

Curing time (hours): 3-6

Operation of   RTV-2 silicone rubber for mold making

1. deal with original moulds

2. brush on release agent

3. correct weigh accoring to mixng ratio

4. stir the two component evenly

5. vacuum-pumping

6. pouring

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