Tin cure Resin PU moldmaking silicone

Product
Our products are 18 series, the product through the SGS, FDA, ROHS, UL certification.

Product Name: Tin cure Silicone Rubber for Resin/PU Moldmaking

Product Model: XB-7 series

Product Description:

Tin cure mold making silicone rubber is a kind of liquid RTV (room temperature vulcaniza-tion) silicone rubber with two parts, part A is the silicone rubber base, part B is the curing agent. It is the flexible mold making material with different hardness from 15 shore A to 40 shore A.

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Characteristics

☆ Excellent fluidity, easy to operate

☆ Good tear and tensile strength

☆ Excellent resistance to weather, temperature, acid and alkali

☆ Not oily, low shrinkage

☆ Durable and high duplication times

Application

for concrete/stone/cement/brick mold making

for plaster/gypsum/GRC/GRFC mold making

for resin/PU/bronze mold making

for casting/sculpture/figurines/statues/art mold making

for architecture/decor/furniture mold making

for plaster line/cornice/roman column mold making

for wax/candle/soaps mold making

for tyre mold making

Technical Parameters

Model NO·	XB-715	XB-720	XB-725	XB-730	XB-735	XB-740
Mixing Ratio （by weight）	100:3	100:3	100:3	100:3	100:3	100:3
Appearance/Color	Translucent/White	Translucent/White	Translucent/White	Translucent/White	Translucent/White	Translucent/White
Hardness （Shore A）	15±2	20±2	25±2	30±2	35±2	40±2
Mixed viscosity（mPa·s）	13000±500	15000±500	16000±500	20000±500	20000±500	18000±500
Working Time（at 23℃/75℉, MINS）	30~40	30~40	30~40	30~40	30~40	30~40
Curing Time（at 23℃/75℉, HRS）	3~5	3~5	3~5	3~5	3~5	3~5
Tensile strength, Mpa	≥3.8	≥3.8	≥4.2	≥4.0	≥4.0	≥3.9
Tear strength, KN/m	≥19.8	≥21.5	≥28.5	≥25.2	≥19.5	≥19.5
Shrinkage, %	<0.2	<0.2	<0.2	<0.2	<0.2	<0.2
Elongation at break,%	≥500	≥500	≥550	≥480	≥480	≥300