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

TMG 218 Polyurethane Catalyst

TMG218isapremiumpolyurethanecatalystfromtheTMGseriesbyAirProducts,featuringdelayedactionandexcellentflowcontrolforrigidfoamsandcoatings.Itenhancescreamformation,reducesdefects,andimprovesdimensionalstabilitywithoutcompromisingcuretimeorfinalproperties.
  • tmg 218 polyurethane catalyst_744cfe2d
  • tmg 218 polyurethane catalyst_744cfe2d

Features Of TMG 218 Polyurethane Catalyst

  1. Highly selective tertiary amine catalyst optimized for polyol–isocyanate reaction kinetics.

  2. Low volatility and minimal odor, supporting safer handling and improved workplace air quality.

  3. Excellent compatibility with polyester and polyether polyols across diverse PU formulations.

  4. Enables balanced reactivity—promoting gelation without excessive foaming or surface defects.

  5. Stable in storage at ambient conditions; non-corrosive to common processing equipment.

Typical Applications Of TMG 218 Polyurethane Catalyst

  1. Flexible slabstock foam for bedding and furniture manufacturing.

  2. Automotive interior foams including seat cushions and headrests.

  3. Integral skin foams used in steering wheels, armrests, and dash components.

  4. Coated fabric systems requiring controlled cure profiles and surface integrity.

  5. Reaction injection molding (RIM) and structural foam applications.

Specifications Of TMG 218 Polyurethane Catalyst

Chemical TypeTertiary amine catalyst
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsFlexible and semi-rigid polyurethane foams
Key FeaturesGel-focused catalysis with low blowing activity
BenefitsImproved cell structure uniformity and dimensional stability
Density (25°C)0.92–0.94 g/cm³
Flash Point (PMCC)≥110°C


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