Contact Adhesive

Neoprene Contact Adhesive

High-performance chloroprene rubber (CR) based contact adhesive with excellent heat resistance, bond strength, and durability for industrial bonding applications.

Neoprene contact adhesive is built on chloroprene rubber (CR) chemistry, a synthetic elastomer first developed by DuPont and now widely manufactured for industrial bonding applications. The polychloroprene polymer chain provides a unique combination of thermal stability, solvent resistance, and mechanical strength that sets it apart from other contact adhesive chemistries. When dissolved in a carefully balanced solvent blend, CR molecules form a continuous adhesive film upon drying that cross-links over time, resulting in bonds that grow stronger with age.

The key advantage of neoprene over SBS-based contact adhesives lies in heat performance. Where SBS adhesives begin to soften and creep at temperatures above 60-70 degrees Celsius, neoprene maintains structural integrity up to 120 degrees Celsius. This makes it the definitive choice for applications exposed to elevated temperatures: furniture factories bonding high-pressure laminate (HPL) to MDF and particleboard substrates, where heat from nearby machinery or tropical warehouse conditions can compromise weaker adhesive bonds. In footwear manufacturing, neoprene contact adhesive handles the heat generated during lasting operations and provides reliable tack for upper-to-sole pre-bonding before final PU adhesive application.

Our neoprene contact adhesive formulations are manufactured in both brush-grade and spray-grade viscosities. Brush-grade products (2,500-4,500 mPa.s) are designed for manual application on smaller workpieces, while spray-grade products (800-1,500 mPa.s) are optimized for pneumatic spray gun application on large panel surfaces. Both grades are available in toluene-free versions using alternative aromatic-free solvent systems that comply with EU REACH regulations and reduce workplace exposure to hazardous chemicals.

Key Features

  • Bond strength ≥3.0 N/mm on wood-to-laminate substrates
  • Heat resistance up to 120°C — suitable for tropical and high-temperature environments
  • Fast tack with 10-20 minute open time for efficient production
  • Excellent resistance to water, oil, and common solvents
  • Compatible with wood, laminate, HPL, rubber, leather, fabric, and metal
  • Available in brush-grade and spray-grade viscosities

Technical Specifications

Parameter Value
Base Polymer Chloroprene Rubber (CR / Neoprene)
Solid Content 20-25%
Viscosity 2,500-4,500 mPa·s (brush grade) / 800-1,500 mPa·s (spray grade)
Density 0.85-0.90 g/cm³
Open Time 10-20 minutes
Bond Strength (Peel) ≥3.0 N/mm (wood-to-laminate)
Heat Resistance -20°C to +120°C
Solvent System Toluene-free formulation available
Flash Point ≤-4°C
Color Yellow / Amber
Shelf Life 12 months (sealed, 5-35°C)
Packaging 0.5L, 1L, 3L, 15L tin cans; 200L drums

Applications

  • Furniture manufacturing — laminate and HPL bonding to wood substrates
  • Footwear assembly — upper-to-sole bonding and lasting
  • Automotive interior — headliner, carpet, and trim bonding
  • Leather goods — bag, belt, and accessory production
  • Construction — decorative panel and insulation board installation

See how neoprene contact adhesive serves specific sectors: Furniture & Woodworking, Footwear & Leather, Automotive.

Available Packaging

Neoprene contact adhesive is supplied in 0.5L, 1L, 3L, and 15L tin cans for workshop and retail distribution, as well as 200L steel drums for bulk industrial consumption. Custom packaging sizes, private label printing, and OEM branding are available for orders meeting minimum quantity requirements. All containers are sealed with tamper-evident closures to ensure product integrity during shipping and storage.

Certifications & Compliance

ISO 9001REACHSGSROHS

Quick Specs

Base Polymer
CR (Neoprene)
Bond Strength
≥3.0 N/mm (wood-to-laminate)
Heat Resistance
-20°C to +120°C
Open Time
10-20 minutes
Solid Content
20-25%

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Frequently Asked Questions

What makes neoprene contact adhesive different from SBS?
Neoprene (chloroprene rubber) contact adhesive offers superior heat resistance (up to 120°C vs 70°C for SBS), better chemical resistance, and higher bond strength. It is the preferred choice for demanding applications like furniture HPL lamination and automotive interior bonding where heat and durability are critical.
Is your neoprene adhesive toluene-free?
Yes, we offer both standard and toluene-free neoprene contact adhesive formulations. Our toluene-free version uses alternative solvent systems that meet EU REACH and US VOC regulations while maintaining comparable bond performance.
What surfaces can neoprene contact adhesive bond?
Neoprene contact adhesive bonds effectively to wood, plywood, MDF, HPL (high-pressure laminate), rubber, leather, fabric, canvas, cork, foam, metal, and many plastics. For non-porous substrates like metal and certain plastics, surface preparation or primer application may improve adhesion.
How should neoprene contact adhesive be applied?
Apply a thin, even coat to both surfaces using a brush, roller, or spray gun. Allow the adhesive to dry until tacky (typically 10-20 minutes depending on temperature and humidity). Align and press surfaces together firmly — the bond is immediate upon contact. Full cure strength develops within 24-48 hours.
What is the coverage rate of neoprene contact adhesive?
Coverage rate is approximately 4-6 m² per liter when applied by brush on porous substrates, and 6-8 m² per liter by spray gun. Actual coverage depends on substrate porosity, surface roughness, and coating thickness. We recommend test application to determine optimal coverage for your specific substrates.

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