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Brand Name: YiJiaSan Silicone
Color: translucent
Sample: free
appearance: Flowing liquid
MOQ: 20 kilograms
Model Number: YJS-525
Place of Origin: China (Mainland)
Hardness: 23-27 shore A
Mix Ratio: 100:3
Color: translucent
Pot life: 30-40mins
Curing time: 3-4 hours
Mixed viscosity: 19000-21000 mPa.s
Tear-strength: 20-24 kg/cm
Tensile-strength: 3.5-4.5 M.pa
Elongation: 400-500%
Shrinkage: Lower than 0.3%

Specifications

Good quality liquidSilicone rubber forGypsum molds making

1.Product Description

YJS-525 is medium hardness silicone with hardness Shore A 25.  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 recation. It is widely used for resin, gypsum, concrete/cement and artificial stone molding.

 

2.Features

-Easy to demould

-Good resistance to tearing

-Good elastic

-Good tear&tensile strength

-Dimensional stability in time ( deformation - shrinking only up to 0.3 % )

-Remarkable resistance to high temperatures (up to 200 - 220℃ )

-Final curing at room temperature

 

3.Technical Parameters 

Typical general characteristics

 

Inspection Method

Value

Product data (Catalyzed A+B)

YJS-525

Hardness

Shore A

25±2

Mix Ratio

A:B

100:3

Color

/

White

Pot life

25 °C (77F)

30-40mins

Curing time

25 °C (77F)

3-4 hours

Mixed viscosity

mPa.S

20000±1000

Tear-strength

kg/cm

22±2

Tensile-strength

M.PA

4.0±0.5

Elongation

%

450±50

Shrinkage

%

0.3

 

4. Package
Small size: 1 kg/jar,  5 kg/jar, 10 kg/jar

General size: 20 kg/pail, 25 kg/pail, 200 kg/pail

Good quality liquid silicone rubber for gypsum molds making
 
5.Shelf life
 Twelve(12) months when stored under dry and cool place by original package under 25