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

BASF Lupranate MM103C Curing Agent

BASF Lupranate MM103C is a high-reactivity aliphatic polyisocyanate curing agent from BASF’s Lupranate series, designed for premium two-component polyurethane coatings. It delivers excellent weather resistance, gloss retention, and fast cure at ambient temperatures—ideal for automotive refinish, industrial maintenance, and high-performance topcoats requiring low VOC and superior durability.
  • basf lupranate mm103c curing agent_c90a67df
  • basf lupranate mm103c curing agent_c90a67df

Features Of BASF Lupranate MM103C Curing Agent

  1. Highly reactive aromatic isocyanate-based curing agent for fast-cure polyurea and polyurethane systems.

  2. Excellent compatibility with amine-terminated resins, enabling low-viscosity processing and improved pot life control.

  3. Delivers superior mechanical strength, abrasion resistance, and chemical resilience in cured coatings and linings.

  4. Low moisture sensitivity compared to conventional MDI-based curatives, supporting more robust field application.

  5. Consistent batch-to-batch performance ensured by BASF’s stringent quality-controlled manufacturing.

Typical Applications Of BASF Lupranate MM103C Curing Agent

  1. Fast-setting protective coatings for concrete and steel substrates in infrastructure and industrial facilities.

  2. Secondary containment linings for chemical storage tanks and bunds requiring rapid return-to-service.

  3. Waterproofing membranes in roofing, bridge decks, and plaza applications.

  4. Elasomeric joint sealants and traffic-marking systems requiring high early strength development.

  5. Rehabilitation of pipelines and manholes via spray-applied polyurea lining systems.

Specifications Of BASF Lupranate MM103C Curing Agent

Chemical TypeAromatic polyisocyanate (modified MDI)
Product FormLiquid
AppearanceClear to pale yellow, homogeneous liquid
NCO Content (wt %)Approx. 22.5–23.5%
Viscosity at 25°C (mPa·s)150–300
Density at 25°C (g/cm³)1.18–1.22
Primary ApplicationsPolyurea & polyurethane elastomers, coatings, linings, sealants
Key FeaturesFast reactivity, low viscosity, high crosslink density, excellent adhesion


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