company tower banner
ichemco Company Logo
CURING AGENT D is a diisocyanate in solution, designed to cross-link polyols (polyethers and polyesters), polyurethanes and elastomers (natural rubber, chloroprene, etc.).

Functions: Curing Agent

Chemical Family: Isocyanates

End Uses: Primer

Compatible Polymers & Resins: Chlorinated Rubbers, Natural Rubbers (NR), Polyesters, Polyethers, Polyols, Polyurethanes (PU), Synthetic Rubbers

Features: Chemical Resistance, Excellent Adhesion, Improves Adhesion

Technical Data Sheet

Similar Products

  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies

Features & Benefits

Applications & Uses

Compatible Substrates & Surfaces
Coating Type
Applications

It cross-links polymers/elastomers used as coatings, adhesives, primers, paints, etc, increasing strength, cohesion, adhesion to substrates and chemical/physical resistance.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Total Solids65±1%
Solventstoluene
NCO Content19 - 211%

Packaging & Availability

Packaging and Storing

Packaging

The product is supplied in iron drums (10 kg); plastic drum (25 kg); iron drums (60 kg).

Storing

Polyisocyanates react with water, including atmospheric moisture, with formation of carbon dioxide, which can cause too high pressures in closed containers and form solid insoluble polyureas, which can block pipes, valves, etc. Product must be stored in well sealed original containers, far from any fire sources, at temperatures between 0°C and 30°C. At higher temperatures it can develop hazardous vapors. Opened drums must be protected from moisture penetration (use silica gel drying tube or nitrogen atmosphere systems). Use within 6 months from production date (unopened and in the original packaging).

Storage & Handling

Shelf Life
6 Months
Handling

In solvent borne primers: add 4.5 -14 % of CURING AGENT D referred to total solids.
In natural rubber (as our TACKSOL series) or acrylic solvent borne adhesives: add 1.5-4.5% of CURING AGENT D on the total solids of the adhesive.

Add CURING AGENT D to polymer/solution and properly stir to complete dissolution.
Reaction starts immediately, thus we recommend using the product immediately after the activation. The crosslinking mechanism depends upon different parameters, such as adhesive concentration, amount of crosslinker, temperature. We suggest checking the curing conditions in advance, in order to avoid spoiling material.