InnoStar Neutral Cure Silicone

PURfect Silicone – 722 is a low-modulus, universal sealant/adhesive that is used in both weather sealing and structural glazing applications. The neutral cure, high performance silicone is formulated to exhibit superior adhesion and flexibility to a wide variety of substrates including: polycarbonate, PVC, glass, vinyl, flouropolymer and powder coated paints, aluminum, stainless steel, galvanized steel, ceramic tile, wood, FRP, marble, stone, EIFS, brick and laminate substrates. 722 is 100% silicone that can accommodate 50% movement in both extension and compression, is highly weather resistant, durable and has excellent recovery after cycling. Meets or exceeds the requirements of the following specifications: ASTM C920 Type S, Grade NS, Class 50, Use A, G, M, O; ASTM C1184 Structural Silicone Sealants Type S, Use G & O; U.S. Federal Specifications TT-S-001543A AND TT-S-00230C; Canadian General Standards Board CGSB-19.13-M87 Sealing Compound.


  • Durable and weather resistant
  • Exceptional UV stability
  • Permanently elastic
  • +/- 50% movement capacity
  • Thermally stable from -45˚F (7.2˚C) to 300˚F (149˚C)
  • Low VOC-significantly lower than the US Green Building Council’s Leadership in Energy and Environmental Design (LEED) program’s requirements
  • Excellent gunnability and workability
  • Non-sag
  • Broad application temperature range
  • Meets ASTM C920


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