DOWSIL™ 732 Multi-Purpose Sealant 10.3oz Cartridge


General-purpose acetoxy RTV sealant. Meets the requirements of 21 CFR Section 177.2600: “Rubber articles intended for repeated use”.

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Technical Data Sheet


  • General industrial sealing and bonding applications
  • Complies with MIL-A-46106 and FDA 177.2600
  • One-part adhesive/sealant
  • Cures at room temperature when exposed to moisture in the air
  • Acetoxy cure system
  • Non-sag, paste consistency
  • Easy to apply
  • Cures to a tough, flexible rubber
  • Good adhesion to many substrates
  • Stable and flexible from -60°C to +180°C (-76°F to +356°F), with short peaks up to +205°C (401°F)
  • Black version: stable and flexible from -60°C to +205°C (-76°F to +401°F), with short peaks up to +230°C (446°F)
  • Excellent dielectric properties
  • Complies with MIL-A-46106
  • Complies with FDA 177.2600
  • Available in white, black, clear and aluminum
Typical Properties
Adhesion to Acrylonitrile Butadiene Styrene (ABS), Copper, Glass, Nylon 6/6, Steel, Galvanized
Color Aluminum, Black, Clear to translucent, White
Dielectric Constant at 100 Hz 2.8
Dielectric Constant at 100 kHz 2.8
Dielectric Strength 548.6 volts per mil v/mil
Dissipation Factor at 100 Hz 0.0015
Durometer - Shore A 25
Elongation 540 %
Shelf Life 900 Days
Specific Gravity 1.04 @ 25°C
Tensile Strength 333.6 psi
Volume Resistivity 1.5e+014 Ω・cm
Application Benefits
Non-Slump Yes
Certifications and Standards
Regulatory Approvals FDA, MIL Spec, NSF Listing/Spec, UL Listing/Spec
Processing-Formulating Benefits
Cure Type Condensation Cure
Number of Parts One Part
Tack-Free Time-50% RH 20 Minutes

Additional information

Weight 1.3 lbs
Dimensions 1 × 1 × 1 in

Aluminum, Black, Clear, White