15A Mould Making Liquid Silicone Rubber, Mix Ratio 100:3, Suitable for Making Silicone Molds for Resin, Soap, Concrete, Wax

High Heat Resistance 15A Mould Making Liquid Silicone Rubber is ideal for making flat pattern reproductions and foundry patterns, and casting low-melt metal alloys such as tin and pewter.

It offers excellent resistance to heat, deformation, acids, alkalis, and expansion, ensuring precise reproduction with fine detail in the molding process.

Appearance of 15A Mould Making Liquid Silicone Rubber

• Part A: Silicone Rubber is an white liquid or tranlucent liquid
• Part B: Catalyst is an non-toxic and odorless liquid in transparent color.
• ATT: we can provide catalyst of Fast, Medium,Slow based on hot ,cold, warm season.

Features of 15A Mould Making Liquid Silicone Rubber

• High heat resistance (up to 560°F/294°C)
• Low linear shrinkage
• Mix Ratio 100A&3B by weight
• Pot Life is 40 minutes and 7-8 hours cure time

Datasheet of Tin Cure Casting Silicones

Item	Condensation Silicone Rubber
Product (Catalyzed A+B)	XL-8810	XL-8820	XL-8825	XL-8830	XL-8835	XL-8840
Hardness ( A)	10±2	20±2	25±2	30±2	35±2	37-39
Specific Gravity (g/cm3)	1.04-1.08	1.04-1.08	1.04-1.08	1.04-1.08	1.04-1.08	1.01-1.06
Mix Ratio ( A:B by Weight)	100:3	100:3	100:3	100:3	100:3	100:3
Color	white	white	white	white	white	white
Pot life (mins) at 25°C	30-40	30-40	30-40	30-40	30-40	30-40
Cured time (Hours) at 25°C	8-12	8-12	8-12	8-12	8-12	8-12
Viscosity (mPa.s)  Base A	20000±2000	22000±2000	25000±2000	27000±2000	27000±2000	20000±2000
Viscosity (mPa.s)  Catalyst	NMT 80cps	NMT 80cps	NMT 80cps	NMT 80cps	NMT 80cps	NMT 80cps
Mixed Viscosity (mPa.s)	20000±1000	22000±1000	25000±1000	27000±1000	27000±1000	20000±1000
Tensile -Strength (M.pa)	2.9±0.3	3.4±0.3	3.8±0.3	4.2±0.3	4.1±0.3	3.2±0.3
Tear-Strength (kN/m)	18±2	20±2	24±2	25±2	26±2	18±2
Elongation (%)	400	400	450	460	480	320
Shrinkage (%)	0.25	0.25	0.3	0.3	0.3	0.3

  

The Pictures of tin cured silicone rubber

 

 

Storage & Shelf Life

Store in a cool, dry place at room temperature (around 25℃). Shelf life is at least 1 year when stored properly.

Shipping Details

– Shipping Method: By Sea only (not available by air due to liquid restrictions).
– Minimum Order Quantity (MOQ): 200 kg
– Availability: Online purchasing is not supported. Please contact us directly for inquiries and orders.

 

Caution – Safety First
1. Keep away from food, drinking water, and other consumables.
2. Ensure it is kept out of reach of children.
3. Handle with care and ensure proper ventilation. Skin and eye contact may cause irritation. If eye contact occurs, rinse with water for 15 minutes and seek medical help. Use a waterless hand cleaner, then wash with soap and water to remove from the skin.