YJS-520 easy demould rtv2 silicone rubber for tire mold
Category: Tire Molding Silicone  Publish Time: 2018-08-07 11:00 
YJS-520 is with hardness Shore A 20. It is a kind of of two- component materials consisting of a flowable part A which when mixed with the curing agent or catalyst,cures at room temperature by a condensation reaction. It is great for making molds for car tire molds
1. Description
YJS-520 is with hardness Shore A 20.  It is a kind of of two- component materials consisting of a flowable part A which when mixed with the curing agent or catalyst,cures at room temperature by a condensation reaction. It is great for making molds for car tire molds

2. Features
-Amazing fluidity and easy to operate
-Complex design available
-Not Oily
-Stable quality, non-toxic and odorless catalyst provided
-Easy de-molding
-Excellent tension and tear strength
-High performance in duplication
-Shrinkage is almost zero (below 0.2)
-Excellent resistance to weather, temperature, aging, acid and aging-proofing.

3.Technical datasheet
Typical general characteristics

Inspection 

Method

 Value
Product data (Catalyzed A+B) YJS-520
Hardness Shore A 20±2
Mix Ratio A:B 100:2
Color / White
Pot life 25 °C (77F) 30-40mins
Curing time 25 °C (77F) 3-4 hours
Mixed viscosity mPa.s 18000±2000
Tear-strength kg/cm 20±2
Tensile-strength M.pa ≥4.2
Elongation % ≤0.2%
Shrinkage %    ≥480%
4.Appearance
Part A: Silicone rubber is a white liquid
Part B: Catalyst is a non-toxic and odorless liquid, white transparent color.
ATT: We can provide fast/medium/slow catalyst of for hot, warm or cold season.

5.SHELF LIFE:
When stored at or below 32°C (89.6°F) in the original unopened containers, YJS-520 Silicone Base and its Curing Agents have a usable life of 10 months.

6.Package
Silicone base:1kg/drum; 20kg/drum;25kg/drum;200kg/drum.
Curing Agent: 30g/bottle; 1kg/bottle 


  
 
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