3M 08374 MSP Sprayable Seam Sealer

3M 08374 MSP Sprayable Seam Sealer


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3M™ 08374 MSP Sprayable Seam Sealer

3M™ MSP Sprayable Seam Sealer is a gray high-performance, general-purpose seam sealer that can be caulked or sprayed. Our convenient, easy-to-apply sealer adheres well to all primed surfaces, except acrylic lacquer. It offers the convenience of allowing for painting almost immediately after being applied.

A Sealer that Combines Convenience and Performance
3M™ MSP Sprayable Seam Sealer is a high-solids, moisture-curing seam sealer that can be caulked or sprayed as a sealer or a sound deadening coating. Our sealer is non-shrinking, non-cracking and fast curing. It dries tack free in 30 minutes and allows for immediate painting.

Features and Benefits:

  • Single component moisture-curing MSP seam sealer offers convenience and quality
  • Sealer is formulated for automotive body joints
  • Versatile application methods allow caulking or spraying
  • Excellent adhesion works well with primed surfaces
  • Fast curing allows for immediate painting

Technical Specifications:

Adhesive Type
Modified Silane Polymer
Door Hem Flanges, Door Jambs, Door Skins, Exterior Seams & Joints, Floor Pans, Galvanized, General Purpose, Interior Seams & Joints, Joint Filling, Rear Body Panels, Rocker Panels
Consumer Label
Container Type
Cure Time
24 Hours
Number per Inner
1 per Cartridge
Product Color
Shelf Life in Months (From Date of Manufacture)
Volume (Imperial)
10.4 fl oz
Work Time
5-10 Minutes (varies with heat, humidity)

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