Popular RTV Silicone for Concrete Molding

Application of rtv silicone for concrete molding

rtv silicone for concrete molding is mainly be used as following:

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

3.  rtv silicone is intend for artificial fossils Factory, Europe component factory, simulation landscapes, animals and plants sculpture, sandstone crafts and so on.

Features of rtv silicone

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.

3 Good fluidity and excellent operation.

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

5 Excellent tear strength, comfortable duplication times.

 Brushing cast for rtv silicone

a. Evenly brush the mixed silicon rubber on the product which is covered with mold spray with a brush or a brush pen.

b. After the cross linking reaction (about 30 minutes), brush a second coat which can increase the tension and tear strength of the mold.

c. Cover a glass cloth on it after another 30 minutes of a second cross linking reaction, and use a brush pen or a brush to avoid any interstices.

d. Cover a third coat.

During operate of rtv silicone the three impotant thing to pay attention :
  1. weigh theliquid silicone rubber and curing agent exatly .
  2. Stir theliquid silcone rubber and curing agent evenly .
  3.we shouldchoose the right hardness to making diffirent size of product mold.

FAQ of  rtv silicone

 Why should the silicone mold be reused only for a few times?

It can be due to the following reasons:

a. Adding too much silicone oil in to silicone rubber.

b. Using the silicone rubber with a high hardness to make molds for small sized products

with delicate and intricate designs .

Any questions about Silicone Rubber, Leah is at your service.

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