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Bostik® ISR Primer M – Sealant & Adhesive Surface Primer

Bostik® ISR Primer M – Sealant & Adhesive Surface Primer

Bostik

(Backordered) Normally Available within 3-7 Days.

SKU:PRIMERM

Regular price $66.78 USD
Regular price $49.47 USD Sale price $66.78 USD
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Bostik® ISR Primer M – Sealant & Adhesive Surface Primer

Bostik® ISR Primer M is a high-performance surface primer designed to enhance adhesion of silyl modified polymer (SMP) sealants and adhesives. Engineered for use on metals, plastics, composites, and coated surfaces, it ensures long-term bond reliability across industrial, transportation, and marine applications.

  • Improves adhesion of SMP sealants and adhesives on difficult substrates
  • Compatible with metals, plastics, composites, and coated surfaces
  • Fast-drying formulation supports efficient production workflows
  • Ideal for transportation, marine, construction, and industrial use
  • Promotes strong, durable bonds that resist weathering and vibration
  • Designed for use with Bostik® ISR and 70-Series SMP sealants

Formulated for demanding environments, Bostik® ISR Primer M delivers excellent surface preparation performance for applications requiring reliable long-term bonding. Its solvent-based chemistry enables deep substrate penetration and enhanced anchor formation, resulting in stronger adhesion and improved durability of SMP sealants under dynamic and environmental stress. Widely used in truck and trailer assembly, marine fabrication, RV construction, architectural panels, and industrial equipment manufacturing, this primer ensures consistent and repeatable results. With fast evaporation and easy application, it supports high-efficiency workflows while improving sealant and adhesive performance on a variety of challenging materials.

Technical Specifications

  • Brand: Bostik® ISR
  • Product Type: Surface Primer / Adhesion Promoter
  • Technology: Solvent-Based Primer
  • Compatible Materials: Metals, coated surfaces, plastics, composites
  • Use With: Bostik® ISR and 70-Series SMP sealants and adhesives
  • Dry Time: Fast-evaporating for quick application cycles
  • Application: Brush or wipe-on
  • Packaging: Available in multiple bottle sizes
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