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DOWSIL™ 732 RTV Silicone Sealant

Single Component • Room Temperature Curing • FDA Approved • Multi-Purpose Industrial Sealant, Adhesive & Gasketing Compound

DOWSIL™ (Silastic) 732 Multi-Purpose RTV Silicone Sealant

Single Component • Room Temperature Curing • FDA Approved • -60°C to +205°C
Description

DOWSIL™ 732 (formerly Silastic 732) is a high-performance, one-part room temperature vulcanizing (RTV) silicone sealant that offers excellent adhesion (usually without a primer), high elasticity, wide temperature resistance, and long-life reliability.

Engineered for general-purpose industrial use, it seals, bonds, caulks, fastens, plugs, dampens, gaskets, protects, insulates, repairs, and waterproofs across engineering, automotive, appliance, and electronics applications.

DOWSIL 732 RTV Silicone Sealant DOWSIL™ 732 RTV Sealant
Important Features
Genuine Dow (owners of DOWSIL™, Silastic™ & MOLYKOTE® brands) product
Ease of use — one-part formula, no mixing required
Non-slumping, non-shrinking paste consistency
Does not crack, crumble, or dry out in direct sunlight
Excellent service temperature range from -60°C to +205°C
Meets FDA Requirement No: 21 CFR 177.2600 (Food Contact)
Complies with MIL-A-46106 Parts I & II
Chemically stable and bonds to almost all industrial surfaces
Uses & Applications
  • Gasketing in heating and refrigerating units
  • Fixing screwless brackets or nameplates, and tacking plastic materials to metals
  • Sealing windows in oven doors and flues on gas appliances, flanged pipe joints, and access doors
  • Formed-in-place gaskets for gearboxes, compressors, and pumps
  • Sealing trailers and truck cabs
  • Bonding and sealing appliance parts
  • Anti-abrasion protective coating
  • Sealing of marine cabins and windows
  • Filling and caulking joints in sheet metal stacks, ductwork, and equipment housings
Typical Properties
Flow, Sag or Slump Nil
Tack-Free Time (at 25°C & 50% RH) 10 to 20 minutes
Cure Time (at 25°C & 50% RH) 1 to 2 days (Full cure properties measured after 7 days)
ASTM D 676 — Durometer Hardness 30 Shore A
ASTM D 412 — Ultimate Tensile Strength 350 psi (2.4 MPa)
ASTM D 412 — Elongation 500%
Colours & Packing Specifications

Available Colours: Clear, Black & White
Standard Packing: 90 ml Tubes & 300 ml Cartridges (Suitable caulking guns available)

Limitations & Caution
  • Limitations: On contact, uncured sealant may cause irritation. Avoid contact with eyes and skin.
  • Caution: Users are advised to conduct their own tests to check suitability for specific applications.
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