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Addition-Cure Silicone Rubber IOTA LSR 3M20-50 Specialized for High-Strength Fireproof Cloth

Product Introduction

IOTA LSR 3M20-50 is a low-viscosity, addition-cure silicone rubber specifically designed for high-strength fireproof cloth applications.

Key Features

Excellent thixotropy, ensuring good moldability and high efficiency.

Good adhesion to fiberglass cloth.

High strength and flame retardancy.

Typical Applications

Specialized adhesive for fireproof cloth.

Other products suitable for scraping and dip coating.

Important Notes

IOTA LSR 3M20-50 is catalyzed with platinum; the platinum catalyst is in Component A. Strict precautions must be taken to avoid catalyst poisoning.

If coloring is required, it must be added to Component B, mixed thoroughly, and then combined with the measured amount of Component A.
Product Specifications

Property

Test Method

Value

Uncured Product

 

 

Component A

 

 

Color

 

White

Viscosity at 23°C, after stirring (mPa.s)

ISO3219

100000mPa.s

Component B

 

 

Color

 

White

Viscosity at 23°C, after stirring (mPa.s)

ISO3219

80000mPa.s

Product Data (A+B Mixed)

 

 

Mixing Ratio
(by Weight)

A:B

11

Viscosity at 23°C, after stirring (mPa.s)

ISO3219

85500mPa.s

Product Data (Cured)

 

 

Color

 

White

Hardness (Shore A)

DIN 53505

50

Tensile Strength

DIN 53504

5.5MPa

Elongation (%)

DIN 53504

250 %

Tear Strength

ASTMD 624B

16KN/m

All values are characteristic and should not be accepted as standard specifications.

Packaging

Component A: 2 Kg/pail

Component B: 200 Kg/pail

Storage and Shelf Life

Store below 23°C. Unopened pails have a shelf life of 12 months. The best-before date is marked on the label of each product's outer packaging. Although the material may still be used beyond this date, performance testing of relevant indicators is necessary to ensure quality.

 



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