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SESP-125 (SELF EXTINGUSHING SILICONE PUTTY)

Silicone Compound for Flame Retardant Applications

SESP-125 is a two part Silicone putty used for fabricating various flame retardant parts. This two component silicone compound when mixed cures to form a soft elastomer that can be shaped in to practically all geometries. This material has been found useful for making coatings, gaskets, and other such fabricated parts where protection from flame is required.

This product has been specifically developed for easy mix ratio of 100:5 of two components (Part A and Part B). This material is stable over a wide temperature range. The adhesion of this compound to various substrates makes it suitable for different applications in various industries.

Product Features:

  • Easy manual mixing
  • Room Temperature Cure with easy Mix Ratio of 100:5
  • Excellent Thermal oxidation resistance
  • Excellent Dielectric properties
  • Low volatility and low shrinkage
  • Chemically inert
  • Outstanding thermal stress protection
  • Excellent FR Properties
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Technical Overview

Color - BLACKISH GREY
Technical Datasheet

UNCURED PROPERTIES

Property Standard Units Value
Viscosity PART A - mPa.s 800000
Viscosity PART B - mPa.s 25

CURED PROPERTIES* (A:B = 100:5)

Property Standard Units Value
Pot Life @25°C - Min 40
Cure Time @25°C - Hrs 24
Density @25°C - g/cm3 1.58
Hardness - Shore A 50
Tensile Strength - MPa 1.5
Elongation - % 150
Lap Shear Strength - MPa 0.7
Specific Heat @100°C - Cal/g°C 0.4
Limited Oxygen Index - % 40

Usable Life and Storage

The warranty period is 6 months from date of shipment if stored in the original unopened container at ambient temperature of less than 27oC.

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