H.B. Fuller® Hardener 9503

Identification

Chemical Family

Polyisocyanates

GBU

EA

Blend

false

Single Ingredient

true

Categories

Technologies → CASE → Product Families → Additives → Functional Additives

Technologies → CASE → Product Families → Monomers & Intermediates → Chain Extenders & Crosslinkers

Applications

Compatible Polymers & Resins

Nitrile Butadiene Rubber (NBR),

Polyesters,

Polyurethanes (PU),

Chloroprene Rubber (CR),

Acrylates

Compatible Substrates & Surfaces

Rubber

Applications & Uses

Cleaning Information

Clean tools immediately after use. Once cured, the material can only be removed mechanically. Appropriate cleaners are listed in the product properties table.

End Uses

Coating End Applications

Primer

Features

CASE Ingredients Features

High Reactivity,

Oil Resistance,

Good Hydrolysis Resistance,

Plasticizer Resistant,

Acid Resistance,

Grease Resistant,

High Temperature Resistance

Features & Benefits

Product Benefits

• High reactivity
• Improves adhesion on rubber
• Suitable for adhesives and primers based on PUR, CR, NBR, Acrylates and Polyester

Functions

CASE Ingredients Functions

Crosslinking Agent,

Hardener

Packaging & Availability

Regional Availability

• Global

Physical Properties

Physical Form

Liquid

Storage & Handling

Storage Information

• H.B. Fuller® Hardener 9503 should be used within the shelf life specified on the packaging.
• The storage stability applies to material stored under appropriate conditions only (original unopened containers, recommended storage temperature).
• Product is sensitive to moisture.
• Close containers carefully after use.