molding making silicon rubber

Model:	HY-620
Brand:	Hong Ye molding making silicon rubber
Origin:	Made In China
Category:	Chemicals / Rubber Materials
Label:	silicon , mold silicon , silicon rubber
Price:	US $8 / kg
Min. Order:	200 kg

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Product Description

Mould making silicone rubber Applications:

Mould making silicone rubber with the hardness of 38-42 shore A, is specially suitable for large crafts mould making and duplication of poly resin crafts in pouring way, PU crafts, gypsum or plaster, unsaturated resin, lighting and candles crafts, plastic toy, stationery gifts crafts, large statue buddha, furniture decoration, cement, articficial stone, etc.

Mould making silicone rubber Advantages: light viscosity, pourable effort, good fluidity, easy-operation, good tension and high tear strength.

Description of Mould making silicone rubber:
Mould making silicone rubber mainly used for shoe molds, sand casting, sole sampling, plaster models, simple products, products with non-complex patterns, as well as product models with stable size and non-deformation.

Features of Mould making silicone rubber

(1)high tensile & tear strength
2) Low linear shrinkage
3)free Curing agent
4)brushing & pouring
(5) high duplication times

Mould making silicone rubber data sheet:

Model

Color

Mixing ratio (%)

Pot life (mins)

Demould

time

( hrs)

Hardness ( A0 )

Tensile-strength (kgf/cm2)

Tear-strength (kgf/cm)

Viscosity

(cps)

Shrinkage

rate (%)

Elongation

(%)

638#

white

100 : 3

5-10

≥ 38

≥ 28

34000-36000

≤0.3%

380%

630#

white

100 : 3

5-10

≥ 47

≥ 35

28000

≤0.3%

430%

Using Mould making silicone rubber advantages:

* Reusable
* Molds can be used over and over again.
* Does not shrink
* Has good abrasion resistance.
* Comes in a wide range of hardnesses and therefore gives long mold life.
* Can be poured, brushed or sprayed on to the original model.
* Is the most economical overall (compared to other mold rubbers).

Frequently asked questions of Mould making silicone rubber

Why the Mould making silicone rubber mold appear with weak tear strength?

When making silicone rubber mold, some customer add a lot of silicone oil to reduce the viscosity of silicone rubber. In fact, this has the opposite effect. The tension and tear strength will be reduced badly with the addition of silicone oil, which leading to the weak and flimsy condition of silicone rubber molds.

Any questions of Mould making silicone rubber, please feel free to contact Ford

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