Chem-Set™ RTV4500 100% Silicone



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Chem-Set™ RTV 4500 is a one component room temperature vulcanizing (RTV) industrial/construction grade silicone sealant and adhesive that has been chemically formulated for high strength adhesion. When fully cured, this unique VOC compliant formula offers UV stability and excellent adhesion to form waterproof and airtight bonds to metal, steel, tile, fiberglass, ceramic, glass, aluminum, painted surfaces, wood, plywood, marble, plus many other common substrates. This product is specifically formulated to offer all weather performance to meets today’s Green Building Standards.

Features and Benefits:

  • High Strength 
  • Excellent Weatherability 
  • UV Stable 
  • Non-Yellowing 
  • VOC Compliant 
  • Non-Flammable 
  • Waterproof 
  • Excellent Adhesion 
  • Non-Shrinking
Construction & Industrial Applications:
  • Kitchen And Bath
  • Countertops/Backsplashes
  • Sealing & Glazing 
  • HVAC/R 
  • Plumbing 
  • Roofing 
  • Sanitary Seals
  • Precast Concrete 
  • Transportation Seals 
  • Marine Cabins 
  • Appliance Trim 
  • Interior/Exterior 
  • Above Grade
MEETS SPECIFICATIONS: ASTM C920 Type S, NS, Class 25; TT-S-00230C, TT-S-01543A, MIL-A-46106A, FDA CFR 177.2600, USDA Approved, NSF 51, UL Recognized Component.
AVAILABLE COLORS: Clear, White, Black, Aluminum, Almond, Bronze, Gray, Trans White
SPECIALTY COLORS: Trans Beige, Trans Blue, Trans Brown, Trans Charcoal, Trans Earthtone, Trans Gray, Trans Green, Trans Rose, Trans Taupe
Physical Properties:

Cure System Acetoxy
Movement Capability, % ±25%
Modulus Medium
Physical Properties (Cured) Rubber
Specific Gravity 1.04
Extrusion Rate, g/min.
1/8″ orifice @ 50 psi
Temperature Range -62˚ F to 350˚ F
Intermittent Temperature Range 400˚ F
Accelerated Weathering (10,000 hrs) No Change
Skin Over Time (min) 10*
Tack Over Time (min) 17*
Cure Rate 1/8″ per 24hrs*
Tensile Strength (psi) 310
Elongation % 500
Durometer Shore A 26
Dielectric Strength kv/mm (v/mil) 20 (500)
Dielectric Constant at 100 Hz 2.7 @ 60
Shelf Life (months) 24
Volatile Organic Content 30 gr./litre
*All properties derived from lab conditions (77˚ F at 50% relative humidity)


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Additional information

Weight 1 lbs
Dimensions 6 × 6 × 6 in

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