HDI Biurets & Trimers

CAS:Various (Product Family)
Code:HDI-BT
Formula:N/A (Product Family)

HDI biurets and trimers are aliphatic polyisocyanate crosslinkers that deliver outstanding weatherability, high crosslink density, and fast cure for premium polyurethane systems. They enable low-VOC, non-yellowing topcoats and elastomers with long-term durability. Note: This represents a product family with multiple grades and specifications available.

Available from Arpadis, a European chemical distributor supplying isocyanates to manufacturers across Europe since 1999.

HDI-BT

Technical Specifications

AppearanceClear to pale yellow liquid
Density1.07 g/cm³ (25°C)
Viscosity1,200–1,800 mPa·s (25°C)
Nco Content21–23% NCO
PurityPolyisocyanate oligomer

Values shown are typical specification targets; request the latest Technical Data Sheet for certified ranges.

Availability & Supply

Arpadis distributes HDI Biurets & Trimers across Europe with supply chain coverage from our offices in Belgium, France, Italy, the UK, and Portugal. Request a quote for pricing and lead times, or contact us for technical data sheets (TDS) and safety data sheets (SDS).

European distributionISO 9001:2015 certifiedResponsible Care

Applications

2K polyurethane coatings
automotive refinish clear coats
protective industrial topcoats
elastomer systems

Chemical Features

crosslinking

About Arpadis

Arpadis is a family-owned European chemical distribution company active since 1999. With ISO 9001:2015 certification and Responsible Care commitment, Arpadis supplies specialty chemicals — including isocyanates — to coatings, adhesives, plastics, and foam manufacturers across Europe.