Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Wanhua WANNATE HMDI Curing Agent

Wanhua WANNATE HMDI Curing Agent is a high-performance aliphatic polyisocyanate hardener from Wanhua Chemical’s WANNATE® series, specifically designed for premium coatings requiring excellent UV resistance, color stability and weatherability. It delivers superior gloss retention and chemical resistance in demanding applications like automotive clearcoats and industrial finishes.
  • wanhua wannate hmdi curing agent_ffcd6261
  • wanhua wannate hmdi curing agent_ffcd6261

Features Of Wanhua WANNATE HMDI Curing Agent

  1. High chemical resistance to solvents, acids, and alkalis due to symmetric hexamethylene diisocyanate (HMDI) structure.

  2. Excellent UV stability and color retention, making it ideal for outdoor and light-exposed applications.

  3. Low volatility and low vapor pressure, enhancing workplace safety and reducing VOC emissions during processing.

  4. Controlled reactivity with hydroxyl-terminated resins, enabling precise pot-life management and smooth film formation.

  5. Superior mechanical performance in cured films, including high hardness, abrasion resistance, and flexibility balance.

Typical Applications Of Wanhua WANNATE HMDI Curing Agent

  1. High-performance polyurethane coatings for automotive OEM and refinish systems.

  2. Durable clearcoats and topcoats for industrial wood and metal finishing.

  3. UV-resistant elastomeric coatings for architectural membranes and roofing systems.

  4. Advanced adhesives and sealants requiring long-term weatherability and thermal stability.

  5. Specialty inks and overprint varnishes for flexible packaging demanding food-contact compliance.

Specifications Of Wanhua WANNATE HMDI Curing Agent

Chemical TypeAliphatic diisocyanate (hexamethylene diisocyanate trimer)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt%)15.5–16.5
Viscosity at 25°C (mPa·s)1,200–2,500
Specific Gravity (25°C)1.18–1.22
Storage Stability≥12 months at <25°C in sealed, dry conditions
Primary ApplicationsPolyurethane coatings, adhesives, elastomers, and specialty inks


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *