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ELASTOSIL® RT 745 S" A/B"

1 of 36 products in this brand
ELASTOSIL® RT 745 S" A/B" is a pourable, two-part silicone rubber that can be thermally cured. It is an addition-curing type, making it suitable for various applications. Some notable industries where it finds use are automotive, electronics, and measurement and control. Specifically, it is employed in potting and encapsulation processes, ensuring the protection and stability of sensitive components and systems.

Product Type: 2K (2 component) Sealant, Encapsulant, Potting Compound

Application Area: Electrical Components, Housing, Sensors

Cure Method: Chemical Cure, Heat Cure

Chemical Family: Silicones

Technical Data Sheet
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Identification & Functionality

Chemical Family

Features & Benefits

Applications & Uses

Applications
  • Automotive Electronics
  • DO NOT USE Potting & Encapsulation with Tough Gels
  • Electrics & Electronics
  • Measurement & Control, Sensor Technology
Application Details

Only components A and B with the same lot number may be processed together.

Properties

Catalyst Properties
ValueUnitsTest Method / Conditions
Dynamic Viscosity (A+B, at 23°C, of mix)1000mPa·sISO 3219
Mix Ratio (A:B)1:1parts by weight-
Platinum Catalyst in Component (A+B)Component A--
Pot Life (A+B, at 23°C, up to 100000 mPa.s)min. 4 hours-
Cured Properties
ValueUnitsTest Method / Conditions
Curing Time (at 120°C, 1 mm thickness)10min-
Curing Time (at 150°C, 1 mm thickness)5min-
Curing Time (at 80°C, 1 mm thickness)60min-
Density (at 23°C)0.97g/cm³-
Modulus (at 100 % elongation)0.05N/mm²ISO 37
Shore Hardness 0037-ASTM D 2240
Volume Resistivity10¹⁵ Ohm-cmIEC 60093
Uncured Properties
ValueUnitsTest Method / Conditions
Density (at 23°C, Componenet A)0.97g/cm³-
Density (at 23°C, Componenet B)0.97g/cm³-
Dynamic Viscosity (Component A, at 23°C)1000mPa·sISO 3219
Dynamic Viscosity (Component B, at 23°C)1000mPa·sISO 3219
Properties
  • Two-part, 1 : 1 mixing ratio
  • Very low hardness
  • Low risk of inhibition
  • Rapid heat cure
  • Primerless adhesion
Note

Cured Properties:  Cured for 30 min at 150°C.

Regulatory & Compliance

Certifications & Compliance

Safety & Health

Safety Notes

According to the latest findings, addition-curing silicone rubber ELASTOSIL® RT 745 "S" A/B contains neither toxic nor aggressive substances which would require special handling precautions. General industrial hygiene regulations should be observed.

Packaging & Availability

Country Availability
Regional Availability
  • Africa
  • Asia
  • Europe
  • Latin America
  • Middle East
  • North America
  • Oceania