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

Wanhua MDI-50 Curing Agent

Wanhua MDI-50 Curing Agent is a high-reactivity aromatic polyisocyanate from Wanhua’s MDI series, specifically designed for rigid polyurethane foam and coating applications. It offers excellent flow control, fast curing speed, and superior dimensional stability. Compatible with polyester/polyether polyols, it delivers consistent performance in spray foam, insulation panels, and industrial coatings—ensuring robust mechanical strength and thermal resistance.
  • wanhua mdi 50 curing agent_155fb2b0
  • wanhua mdi 50 curing agent_155fb2b0

Features Of Wanhua MDI-50 Curing Agent

  1. High reactivity with polyols and amines, enabling rapid gelation and short demold times.

  2. Excellent compatibility with aromatic and aliphatic polyurethane systems.

  3. Low volatility and low monomer content, supporting safer handling and reduced VOC emissions.

  4. Consistent batch-to-batch performance due to stringent quality control in Wanhua’s ISO-certified production facilities.

  5. Enhanced thermal stability and mechanical strength in cured elastomers and coatings.

Typical Applications Of Wanhua MDI-50 Curing Agent

  1. Automotive interior trim and soft-touch coatings.

  2. Industrial elastomeric rollers and seals.

  3. High-performance polyurethane adhesives for composite lamination.

  4. Castable polyurethane parts for mining and material handling equipment.

  5. Waterborne and solvent-based PU coating systems for wood and metal substrates.

Specifications Of Wanhua MDI-50 Curing Agent

Chemical TypeAromatic diisocyanate-based curing agent (MDI blend)
Product FormLiquid
AppearanceClear to pale yellow transparent liquid
Primary ApplicationsPolyurethane elastomers, coatings, adhesives, and sealants
Key FeaturesReactive NCO functionality, low free-MDI content, high purity
Storage Stability12 months at 25°C in sealed, dry conditions
Handling PrecautionsUse in well-ventilated areas; avoid skin/eye contact; refer to SDS
ComplianceREACH registered; compliant with RoHS and GHS classification


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