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Silicone rubber for mold making

Quantité : 200 Kilogr   Prix : 5.2-7.4usd/kg

Silicone rubber for mold making applications

Silicone rubber for mold makingis primarily intended for 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, 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.

Silicone rubber for mold making features description

Silicone rubber for mold makingis white or red flowing liquid with general hardness of 22-50A°after curing. Molding silicon rubber is a kind elastic silicon rubber mold which features with resistance to deformation, high-temperature, acid-alkali and expansion as well as high reproduction times, good tensile strength, tear strength and elongation.

1 good flowability, light viscosity, easy operation

2 low shrinkage

3 good tension and tear strength

4 no deformation

5 high temperature resistance, acid & alkali resistance and aging resistance

Silicone rubber for mold makingdatasheets

Model: 625# silicone rubber for mold making

Appearance: white

Viscosity (cs): 17000-20000

Hardness (A): 24-26

Tensile strength(kgf/cm2 ) ≥32

Tear strength (kgf /cm): ≥28

Elongation break(%): ≥500

Retractility (%): ≤0.2

Curing agent mixed rate (%): 2-3

Operate time (min): 30

Curing time (hours): 2-4

Model: 628# silicone rubber for mold making

Appearance White

Viscosity (cs)12000~15000

Hardness (Ao) 50~80

Tensile Strength (kgf/c?)=7

Tear Strength (kgf/cm)=3

Shrinkage (%) =0.3

Elongation (%) =200

Mixing ratio (%) 2~3

Operating Time(H) 0.5

Curing Time(H)2~4

Model: 630# silicone rubber for mold making

Appearance: white

Viscosity (cs): 19000-25000

Hardness (A): 28-32

Tensile strength(kgf/cm2 ) ≥35

Tear strength (kgf /cm): ≥30

Elongation break(%): ≥470

Retractility (%): ≤0.2

Curing agent mixed rate (%): 2-3

Operate time (min): 30

Curing time (hours): 2-4

Model: 638#silicone rubber for mold making

Appearance: white

Viscosity (cs): 30000-33000

Hardness (A): 30-32

Tensile strength(kgf/cm2 ) ≥40

Tear strength (kgf /cm): ≥32

Elongation break(%): ≥450

Retractility (%): ≤0.2

Curing agent mixed rate (%): 2-3

Operate time (min): 30

Curing time (hours): 2-4

Silicone rubber for mold making operations

If the customer wants to make large products and large size molds, the mold should be made of silicon rubber with high hardness. On the contrary, if the mold with fine and precision patterns, it should be made of silicon with low hardness. The amount of the curing agent depends on the actual requirements of the customer. If molds requiring fast drying and demolding, more curing agent is needed; contrarily, if molds requiring slower drying and demolding, less curing agent is needed.

(Note: our company does not recommend you to add silicone oil. If a special soft silicone mold or fine detailed and complex patterns products are required, 5%-10% silicone oil can be added to soften the mold for easy demold.)

Frequently asked questions of Silicone rubber for mold making

Why does the silicone rubber mold have few molding times?

The silicone rubber mold has few molding times is due to follwoing reasons: adding too much silicone oil which will destroy the molecular of silicone rubber; making the mold for small and fine detailed products with higher hardness silicone rubber which is easy to break; making the mold for large products with soft silicone rubber which will reduce the tensile and tear strength of the mold, and the mold will have deformation. Thus, we should take the proper silicone rubber to make the mold for suitable products.

Any questions, please feel free to contact Ms Jessica :

FAX: 86-0755-89948030

MOBILE: 86-18938867577

WEBSITE: www(dot)szrl(dot)net

E-MAIL: hysb(at)szr(dot)net

Localisation : Building 4, No.6 Laiying Road, Xin Sheng Long Shan Industrial Zone,Long Gang District, Shenzhen,Guangdong,China, 518117 Long Gang District,
Personne à contacter : jessica xiao, 86 0755 89948294

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Silicone rubber for mold making

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