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Home > Application > Model Making Silicone

Model Making Silicone

1 Description

GC silicone mold rubbers are widely used to reproduce high-quality miniature and large-scale models at a relatively fast pace. Tin-cured (C-8 series) silicone mold rubbers offer great flexibility, chemical resistance and release properties. Popular product options is C-820/C-825/C-830.

2. Technical Datasheet

Typical general characteristics Inspection MethodValue
Product data (Catalyzed A+B)
C-820C-825C-830
HardnessShore A20±225±230±2
Mix RatioA:B100:3100:3100:3
Color/WhiteWhiteWhite
Pot life25 °C (77F)30-40mins30-40mins30-40mins
Curing time25 °C (77F)3-4 hours3-4 hours3-4 hours
Mixed viscositymPa.s16000±100020000±100023000±1000
Tear-strengthkg/cm20±222±223±2
Tensile-strengthM.pa3.6±0.54.0±0.55.0±0.5
Elongation%400±50450±50460±50
Shrinkage%≤0.3≤0.3≤0.3

Note: This is a 100A:3B mix ratio product that must be measured by weight. The choosing of suitable hardness should be according to the size and pattern design of the products. If large products and therefore multiple-piece molds are needed by customers, silicone rubber with higher hardness will be required for the molds. Conversely, soft silicon is indispensable for molds with complicated pattern and delicate details. The amount of curing agent admixture depends on the actual need of customers. More will be added for speedy drying and fast release and less when otherwise.


3. FEATURES

1.Low viscosity

2.great flexibility

3.Extra low shrinkage

4.Chemical resistance

5.release properties

6.Easy to work with

4.High tear strength

5.Heat Resistance

6.various color is available

7.High reproduction rate


4.SHELF LIFE:

When stored at or below 32°C (89.6°F) in the original unopened containers, C-8 series Silicone Base and its Curing Agents have a usable life of I0 months.


5.Package

Silicone base:1kg/drum; 20kg/drum;25kg/drum;200kg/drum.

Curing Agent: 30g/bottle; 1kg/bottle


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