3M P591 Universal Black Primer 250 ml

3M™ P591 is a universal black primer that significantly improves the adhesion of polyurethane and SMP (hybrid) sealants to difficult surfaces such as ceramic-printed glass and PMMA. It acts as a primer coat, increasing bond integrity while protecting against UV radiation and supporting the durability of applications in demanding conditions.

Technical Specification

• Capacity: 250 ml
• Colour: Black
• Product type: Primer
• Compatibility: Polyurethane and SMP adhesives and sealants
• Application: Ceramic-printed glass, PMMA, plastics
• Properties: Improves adhesion, acts as a UV barrier

Application

• Surface preparation for sealants and adhesives
• Installation of windows and panels in automotive, transport, and construction
• Bonding plastics and glass in industrial applications
• Wherever high durability and UV resistance are required

Benefits and properties

✅ Improves adhesion of adhesives and sealants – ensures durable and strong bonds
✅ Acts as a UV barrier – increases resistance to weather conditions
✅ Universal application – effective on various substrates, including glass and plastics
✅ Easy application – fast and precise surface preparation
✅ Increases bond integrity – minimizes the risk of delamination and leaks

Usage tips

Before application, ensure the surface is clean, dry, and degreased. Apply a thin, even layer of primer using a brush or lint-free cloth. Allow to flash off as per the manufacturer's recommendations before applying adhesive or sealant.