SEM 39377 Dual-Mix Medium Bodied Seam Sealer, Gray, 7 oz Cartridge

SEM 39377 Dual-Mix Medium Bodied Seam Sealer, Gray, 7 oz Cartridge

• SEM 39377 is a Dual-Mix medium bodied two-component epoxy seam sealer in gray, supplied in a 7 oz cartridge for sealing interior or exterior seams, joints, and voids. It is suitable for properly prepped bare metal and common primed and finished substrates, and it supports fast set and cure times.
• Features:
  • Two-component epoxy seam sealer helps seal interior or exterior seams, joints, and voids with a medium bodied, non-sag bead.
  • Gray color supports OEM style seam appearance before topcoating when required by the repair process.
  • Suitable for bare metal, OEM finish, epoxy primer, and DTM urethane primer to support common collision repair substrate requirements.
  • Working time of 10 minutes and set time of 15 minutes help support efficient seam sealing workflow.
  • Paintable immediately with most solvent-based coatings, supporting faster refinish process timing.
• Specifications:
  • Manufacturer: SEM
  • Part Number: 39377
  • MPN: 39377
  • UPC: 646786393778
  • Category: Automotive Refinishing
  • Subcategory: Seam Sealers
  • Product Type / Function: Two-component epoxy seam sealer
  • Color: Gray
  • Container: 7 oz cartridge
  • Working Time: 10 minutes
  • Set Time: 15 minutes
  • Top Coat Time With Most Solvent-Based Coatings: 0 minutes
  • Top Coat Time With Most Waterborne Coatings: 15 minutes
  • Cure Time: 1 hour
  • Suitable Substrates: Bare metal, OEM finish, epoxy primer, DTM urethane primer
  • System Compatibility Or Application: Designed for sealing interior or exterior seams, joints, and voids on properly prepared bare metal, OEM finish, epoxy primer, or DTM urethane primer surfaces
• The Dual-Mix Medium Bodied Seam Sealer can also be referred to as an epoxy seam sealer, a two-component seam sealer, an automotive seam sealer cartridge, a paintable seam sealer, and a non-sag seam sealer.

SEM manufactures refinishing and repair products used in automotive and commercial maintenance. The brand supplies coatings, adhesives, and surface preparation systems that support professional repair and restoration workflows.

Q: What surfaces can SEM 39377 be applied to?
A: It is suitable for properly prepared bare metal, OEM finish, epoxy primer, and DTM urethane primer.

Q: How long do I have to work with the seam sealer after dispensing?
A: The working time is 10 minutes, with a set time of 15 minutes.

Q: When can I topcoat it?
A: It is paintable immediately with most solvent-based coatings, and it can be topcoated with most waterborne coatings after 15 minutes.

Q: What is the cure time?
A: The cure time is 1 hour.