RTV-2 mold making silicone RTV-521​ Key：silicone rubber, RTV-2 mold making silicone, RTV liquid silicone rubber, sculpture molding​ Characteristic： silicone rubber, RTV-2 mold making silicone, RTV liquid silicone rubber, sculpture molding​ .RTV-521 is two parts mould making material (A :silicone,major component B: hardner). This product is room temperature cure , with high softness and excellent mobility, tensile strength ,etc. Hotline：0086-757-82711390

silicone rubber, RTV-2 mold making silicone, RTV liquid silicone rubber, sculpture molding

RTV-521

RTV-521 is two parts mould making material (A :silicone,major component B: hardner). This product is room temperature cure , with high softness and excellent mobility, tensile strength ,etc.

Properties

1. Easy to apply , few splay mark ,mainly used to produce transparent elaborate products ,moderate viscosity and hardness ,high strength ,excellent mobility .

2. Cure at room temperature ,do not need insolation or extra heat

3. Good mechanical property ,with high elasticity, softness,tensile strength and extensibility

4. Mainly used to produce Polyster , Epoxy products with moderate hardness, easy to demould , limited expansion ,high thermal stability ,the life span is longer than normal rubber .

Parameters

Before cure       RTV-524           hardner 524

appearance      mobile paste          liquid

color            milky white            transparent

viscosity        25 k~30k

after cure

7 days at room temperature

hardness（Shore A）          17°±2

 silicone rubber, RTV-2 mold making silicone, RTV liquid silicone rubber, sculpture molding

tensile strength kg/cm2             >35

elongation  %                >500

Tear resistance kg/cm             >23

 Linear shrinkage %              0.35

Application instructions

Pls thoroughly agitate part A before use

Ratio of  Part B and oil

Pls adjust ratio of hardner and oil according to specific condition,for example ,room temperature and moisture,etc .