silicone rubber used for plaster mold making industry

silicone rubber used for plaster mold making industry

1,   silicone rubber used for plaster mold making industry Usages

silicone rubber used for plaster mold making industry primarily intended for mold making of gypsum, concrete, poly resin ,PU resin, unsaturated resin crafts, lighting and candles crafts , plastic toys , stationery gifts crafts industry, large statue, Buddha, relievo furniture, furniture decorative materials, statues Buddha, artifacts copied, building decoration materials, large-scale cement mold, artificial fossils Factory, European  buildings, simulation landscapes, animals and plants sculpture, sandstone crafts and so on.

2.      silicone rubber used for plaster mold making industry  Main Features:

1.Good characteristics of easy-operation 

2. Light viscosity and good flowability

3. Low shrinkage

4. Excellent tensile and tear strength

5. Favorable hardness

6. High temperature resistance, acid and alkali-resistance and ageing resistance

7. High duplication times

3. Some pictures of   silicone rubber used for plaster mold making industry

4.  silicone rubber used for plaster mold making industry discription

silicone rubber used for plaster mold making industry is a kind of flowable liquid silicone, the quality has nothing to do with the color. It consists of two components. 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% curing 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 2-4 hours.

And more curing agent is needed; contrarily, if molds requiring slower drying and demould, less curing agent is needed.

5.  silicone rubber used for plaster mold making industry frequently asked question:

 Why does the RTV Silicone molds appeared striately and unsmoothly?

It is because the appearance of the product or the model itself is not perfect, and it has not been polished before the further operation. So when you make silicon molds, firstly you should polish the product, spray the mold spray evenly on the product. In this case, the problem can be avoided.