• Two-part, gray silicone adhesive system
  • Cures at room temperature or rapidly by applying heat in an oven or by a heat gun or lamp
  • Does not require atmospheric moisture to cure
  • No curing byproducts such as acetic acid or methyl alcohol
  • Product available in easy-to-use, airless side-by-side kits that eliminate mixing and deairing difficulties
  • 1:1 Mix Ratio (Part A: Part B)


  • Adhesive for bonding and sealing silicones to each other and other substrates such as metals and plastics
  • For rapid production or prototyping due to a rapid cure

Product Details

Property Average Result
Cure System Platinum
Extrusion Rate 140 g/minute
Lap Shear 145 psi (1 MPa)
Durometer 45 Type A
Appearance Dark Gray
Cure 2 hours / 65 °C
Dielectric Strength 825 volts/mil (32.18 kV/mm)
Elongation 400 %
Mix Ratio 1:1
Specific Gravity 1.16
Stress at Strain 525 psi / 200 % (3.62 MPa / 200 %)
Tear 190 ppi (33.51 kN/m)
Tensile 1,000 psi (6.9 MPa)
Work Time 1 minutes
Comment Primerless Adhesive;Gray tough, fast cure adhesive with 1 hour pot life. Will RTV. 145 psi (1.0 MPa), unprimed and 625 psi (4.3 MPa) primed (CF1-135) lap shear.


The diverse line of NuSil® adhesives specifically designed for electronic component assembly increases production throughput without sacrificing performance.

Read more

The test data shown for this material is the average value for typical properties. All of these properties may not be tested on a lot to lot basis and cannot be used to draft specifications. Please contact NuSil for assistance and recommendations in establishing limits for product specifications.