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TREMCO SG300 Spectrem 2 is a versatile, high performance silicone sealant that reacts with atmospheric moisture to produce a flexible silicone rubber, ideal for a wide variety of general purpose joint sealing and glazing applications, particularly suitable for two-sided structural bonding applications. It is capable of taking extension, compression, transverse and longitudinal movements, and resists severe environmental conditions. Because of its excellent adhesive qualities, TREMCO SG300 Spectrem 2 provides the long term performance required for demanding weatherproofing applications.

General information
Specification data - Silicone construction joint sealants
Product Reference

TREMCO SG300 Spectrem 2

Standard product features



Technical Information:

  • Specific Gravity: 1.34.
  • Curing rate (23°C, 50% RH): 7–14 days for 6mm sealant depth.
  • Movement capability (EN ISO 11600): 25%.
  • Tensile strength (EN ISO 8339): 0.8 to 1.0 MPa.
  • Application temperature: +5 to +35°C.
  • Temperature resistance: -40 to +150°C.

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