DOWSIL™ 732 Multi-Purpose Sealant

DOWSIL™ 732 Multi-Purpose Sealant

General industrial sealing and bonding applications

Complies with MIL-A-46106 and FDA 177.2600


• One-component 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


All surfaces must be clean and dry. Degrease and wash off any contaminants that could impair adhesion. Suitable solvents include isopropyl alcohol, acetone or methyl ethyl ketone. Unprimed adhesion may be obtained on many substrates such as glass, metals and most common engineering plastics. Substrates to which good Adhesion is normally not obtained include PTFE, polyethylene, polypropylene and related materials. However, for maximum adhesion, the use of DOWSIL™ 1200 OS Primer is recommended. After solvent cleaning, a thin coat of DOWSIL 1200 OS Primer is applied by dipping, brushing or spraying. Allow primer to dry for 15 to 90 minutes at room temperature and a relative humidity of 50% or higher.

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