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

TMG 320 Polyurethane Catalyst

TMG320isapremiumpolyurethanecatalystfromtheTMGseriesbyAirProducts,featuringdelayedactionandexcellentskinformationcontrol.Itenhancesflowanddemoldtimeinflexiblefoam,moldedfoam,andcoatingapplications.Idealforhigh-performancePUsystemsrequiringprecisecuremanagementandlowemissionprofile.
  • tmg 320 polyurethane catalyst_be9a2df6
  • tmg 320 polyurethane catalyst_be9a2df6

Features Of TMG 320 Polyurethane Catalyst

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

  2. Low volatility and reduced odor profile compared to traditional amine catalysts.

  3. Excellent compatibility with aromatic and aliphatic polyurethane systems.

  4. Enables balanced reactivity—promotes gelation without excessive blowing effect.

  5. Stable in storage; non-corrosive to common processing equipment and packaging materials.

Typical Applications Of TMG 320 Polyurethane Catalyst

  1. Flexible slabstock foam for bedding and furniture manufacturing.

  2. Integral skin and RIM (Reaction Injection Molding) polyurethane parts.

  3. Automotive seating and interior trim foams requiring low fogging emissions.

  4. High-resilience (HR) foam formulations with controlled rise and cure profiles.

  5. Water-blown and low-VOC polyurethane systems compliant with indoor air quality standards.

Specifications Of TMG 320 Polyurethane Catalyst

Chemical TypeTertiary amine catalyst (N,N,N′,N′-tetramethyl-1,3-propanediamine derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsGelation catalyst for flexible and semi-rigid polyurethane foams
Key FeaturesLow volatility, low odor, balanced gelling/blowing ratio
BenefitsImproved process stability, reduced emissions, enhanced foam cell structure
Density (25°C)~0.84–0.86 g/cm³
Refractive Index (20°C)1.430–1.440


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