Sika SikaSil-GP-HT (High Temperature)

Product Type:

Short Description

General Purpose Acetoxy Cure Silicone Sealant – High Temperature Red

Quantity Needed


Sikasil®-GP products are general purpose, one-component, non-sag, elastomeric, RTV acetoxy silicone sealants with good adhesion characteristics for general sealing and bonding applications. Meets the requirements of Type S, Grade NS, Class 25, Use NT, G, A, O. Recognized under UL QMFZ2, ANSI/NSF Standard 51 for direct food contact and California Air Resources Board 2003 requirements for  Volatile Organic Compound content. Sikasil® -GP maintains elastomeric properties up to 275° F continuous, 325°F intermittent, and Sikasil® -GP HT (High Temperature) red up to 500°F continuous, 550°F intermittent. Sikasil®-GP HT Red also meets federal specification TT-S-005143A, Class A, MIL-A-46106. Meets the requirements of C-920, Type S, Grade NS, Class 25, Use NT, G, A, O.

Product Benefits

  • One-component ready to use
  • Excellent for dynamic joint movement & dissimilar materials, Joint movement ±25%
  • Excellent adhesion, bonds to many substrates without priming
  • Fast Cure – Move assembled or sealed parts quickly
  • Wide service temperature / durability
  • Superior gunning & tooling
  • High temperature red for temperature resistance up to 550°F
  • Contains Anti-microbial additive for mold resistance.

Areas of Application

  • Conventional glazing and Storefronts
  • Sealing & glazing of windows, doors and skylights
  • Kitchen and bath countertops, Sanitary seals
  • HVAC, Plumbing, Roofing
  • Sealing trucks, trailers and RVs
  • Marine applications
  • Appliance Assembly

Typical Substrates

  •  Glass, aluminum, tile, fiberglass, plastic, ceramic, wood, steel and painted metals