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

Wanhua MDI-100L Curing Agent

Wanhua MDI-100L Curing Agent is a high-reactivity aliphatic polyisocyanate from Wanhua’s MDI series, specifically engineered for UV-curable coatings and inks. It delivers excellent yellowing resistance, fast cure speed, and superior adhesion on plastics and metals. Compatible with acrylate resins, it enhances hardness and chemical resistance without VOCs. Widely used in automotive clearcoats, optical lenses, and decorative finishes.
  • wanhua mdi 100l curing agent_63da5553
  • wanhua mdi 100l curing agent_63da5553

Features Of Wanhua MDI-100L Curing Agent

  1. Low-viscosity liquid MDI-based curing agent for enhanced processability and easy handling.

  2. Excellent compatibility with polyol systems, enabling uniform dispersion and stable formulation.

  3. Controlled reactivity profile suitable for both ambient-cure and forced-cure applications.

  4. High functionality and consistent NCO content ensuring reliable crosslinking performance.

  5. Low monomeric MDI residue meeting stringent industrial safety and regulatory requirements.

Typical Applications Of Wanhua MDI-100L Curing Agent

  1. Automotive interior trim and seating foams requiring dimensional stability and low fogging.

  2. Industrial elastomers including rollers, gaskets, and vibration-damping components.

  3. Coatings and adhesives for metal and composite substrates in durable goods manufacturing.

  4. Reaction injection molding (RIM) and structural foam systems demanding precise pot life control.

  5. Flexible and semi-rigid polyurethane foams for furniture and bedding applications.

Specifications Of Wanhua MDI-100L Curing Agent

Chemical TypeModified liquid diphenylmethane diisocyanate (MDI)
Product FormClear to pale yellow liquid
AppearanceHomogeneous, free of suspended particles or gel
NCO Content (wt%)29.5 – 30.5
Viscosity at 25°C (mPa·s)150 – 250
Specific Gravity (25°C)1.20 – 1.24
Monomeric MDI Content (wt%)< 0.5
Storage StabilityStable for ≥6 months at <25°C under dry, inert conditions


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