Accu-Cool® & Specialty Products

AP 280

A silicone heat sink compound FOR HEATER ELEMENTS

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Product data

Product Overview

Market
Aviation
Product Category
Accu-Cool® & Specialty Products

Features

  • A kit of uncatalyzed silicone resin with a select grade of aluminum powder
  • Pre-ratioed
  • Maintain an excellent bond while exhibiting vibration resistance and flexibility over a very broad temperature range from -100°F to 550°F (-73°C to 288°C) in continuous service
  • Putty-like consistency of AP 280 exhibits a high degree of flexibility and adhesion while functioning as an excellent heat sink

Physical Properties

  • Dielectric Constant ASTM D150: 2.95 @ 100 Hz, 2.90 @ 100,000 Hz
  • Dielectric Strength ASTM D 149: 900 v/mil
  • Dissipation Factor ASTM D150: 0.004@100 Hz, 0.003 @ 100,000 Hz
  • Flash Point: 27°C (80°F)
  • Service Temperature: -100°F to 550°F (-73°C to 288°C) continuous
  • Shelf Life: The un-mixed kit has a 6 month shelf-life from the date of packaging
  • Solids: 52% prior to mixing
  • Storage Conditions: Store in a cool, dry, and well ventilated place at a temperature between 40°F and 100°F (4°C to 38°C)
  • Viscosity: 5500 cps prior to mixing
  • Volume Resistivity ASTM D257: 4 X 10-¹³ OHM-CM

Qualifications and specifications

Technical References

Specifications

  • On QPL For Boeing DPM 5979

Available configurations

Packaging

  • 1 Oz (28 gram) Kit of Silicone Resin and Aluminum Powder Packaged in Separate Containers (008671)
  • 5 Oz (142 gram) Kit of Silicone Resin and Aluminum Powder Packaged in Separate Containers (002788)

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Additional Documents

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