COOLTHERM SC-6731

Harmonization Code : 3910.00.00.90 | Silicones in Primary Forms; Others

COOLTHERM SC-6731

Main features

  • 100 cP Resin Viscosity
  • Concentrations from 0.1% to 5% by Weight
  • Two-Component RTV Silicone Systems Used in Potting

Product Description

CoolTherm™ SC-6731 Hardener is a low-viscosity curing agent for use with compatible CoolTherm™ and Circalok™ silicone resins to form two-component, room-temperature-vulcanizing silicone systems for potting and encapsulation. The light amber, translucent liquid has a typical viscosity of 100 cP at 25°C and may be used at concentrations from 0.1% to 5% by weight, depending on the selected resin and required cure rate. Product-specific mixing ratios, working times, and cure schedules must be taken from the applicable silicone resin datasheet.

Key features

  • Low viscosity: Provides a typical viscosity of 100 cP at 25°C for incorporation into compatible silicone resin systems.
  • Adjustable concentration: May be used at 0.1% to 5% by weight, depending on the cure rate required and the applicable resin formulation.
  • Silicone-system versatility: Designed for use with various CoolTherm and Circalok silicone resins used in RTV potting and encapsulation systems.

Applications / Suitable for

  • Compatible CoolTherm and Circalok RTV silicone resin systems
  • Two-component silicone potting and encapsulation systems
Product Family

COOLTHERM SC-6731

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Light Amber Translucent Liq
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.1
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
100 mPa.s

Additional Information

Technical properties

As-supplied / before-processing properties

Typical as-supplied properties and documented use concentration for CoolTherm SC-6731 Hardener. Values are not intended for specification purposes.

Property Value Unit Method / condition
Appearance Light amber, translucent liquid — As supplied
Viscosity 100 cP At 25°C; test method not stated
Specific gravity 1.1 — Test conditions and method not stated
Use concentration 0.1–5 wt% Depending on required cure rate; use the applicable resin datasheet for the specific mix ratio
Shelf life 6 months From date of manufacture when stored at 25°C in the original, unopened container

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