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POLYTECH SOLUTIONS

Reuse waste to Sustainable Polyurethanes

Adhesive Grade Polyols

Adhesive grade polyols are specially engineered raw materials designed for high-performance bonding systems used in structural and industrial adhesives.

These polyols contribute to strong interfacial adhesion, high cohesive strength, and long-term durability across a wide range of substrates.

They are widely used in construction adhesives, automotive bonding systems, laminations, packaging adhesives, and wood composites.

Adhesive Grade Polyols

How Adhesive Grade Polyols Work

Adhesive polyols react with isocyanates or curing agents to form highly crosslinked polymer networks that define bond strength and flexibility.

By tuning molecular weight and functionality, adhesion properties such as peel strength, shear resistance, and elasticity can be precisely controlled.

These systems are optimized for strong bonding on porous and non-porous substrates including metals, plastics, wood, and composites.

Our Adhesive Grade Polyol Grades

Laminating Adhesive Polyols

RENVIOL-PolyAd-3100

Polyester polyols for flexible laminating adhesive systems.

Applications: Flexible Packaging, Film Lamination, Industrial Laminates

Viscosity: 2000 - 5000 mPa.s

Hydroxyl Value: 90 - 130 mg KOH/g

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PUR Hot Melt Polyols

RENVIOL-PolyAd-3500

Reactive polyurethane hot melt adhesive polyols.

Applications: Furniture Bonding, Textile Lamination, Automotive Interiors

Viscosity: 1500 - 4000 mPa.s

Hydroxyl Value: 70 - 110 mg KOH/g

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PU/Leather Adhesive Polyols

RENVIOL-PolyAd-3300

PU adhesive polyols for leather and footwear bonding systems.

Applications: Footwear Adhesives, Leather Bonding, Flexible PU Adhesives

Viscosity: 2500 - 5500 mPa.s

Hydroxyl Value: 100 - 140 mg KOH/g

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Technical Overview

Product CodeProductHydroxyl NumberViscosityWater ContentAcid Value
RENVIOL-PolyAd-3100Laminating Adhesive Polyols90 - 130 mg KOH/g2000 - 5000 mPa.s--
RENVIOL-PolyAd-3500PUR Hot Melt Polyols70 - 110 mg KOH/g1500 - 4000 mPa.s--
RENVIOL-PolyAd-3300PU/Leather Adhesive Polyols100 - 140 mg KOH/g2500 - 5500 mPa.s--