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

TMG 318 Polyurethane Catalyst

TMG318isapremiumpolyurethanecatalystfromtheTMGseriesbyAirProducts,specificallydesignedforhigh-performanceflexiblefoamapplications.Itacceleratesurethanereactionwithexcellentprocessingcontrol,lowemissionprofile,andconsistentcellstructure.Enhancescreamtime,geltimebalanceanddimensionalstabilitywhilemaintaininglowVOCandbroadformulationcompatibility.Idealforautomotive,mattressandinsulationfoams.
  • tmg 318 polyurethane catalyst_ad0204b4
  • tmg 318 polyurethane catalyst_ad0204b4

Features Of TMG 318 Polyurethane Catalyst

  1. Highly selective tertiary amine catalyst optimized for polyol-isocyanate reactions in flexible and semi-rigid PU foams.

  2. Excellent balance of gelling and blowing activity, enabling precise control over foam rise profile and cell structure.

  3. Low volatility and low odor profile, supporting improved workplace safety and reduced VOC emissions.

  4. Compatible with conventional and bio-based polyols, as well as aromatic and aliphatic isocyanates.

  5. Stable in storage under recommended conditions; non-corrosive to common processing equipment.

Typical Applications Of TMG 318 Polyurethane Catalyst

  1. Flexible slabstock polyurethane foam for bedding and furniture manufacturing.

  2. Semi-rigid automotive seating and headrest foams requiring consistent density and comfort properties.

  3. Carpet underlay and acoustic insulation foams demanding uniform cell morphology and resilience.

  4. Industrial packaging foams where dimensional stability and shock absorption are critical.

  5. Water-blown or low-emission PU systems targeting green building certifications (e.g., GREENGUARD).

Specifications Of TMG 318 Polyurethane Catalyst

Chemical TypeTertiary amine compound
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsFoaming catalyst for flexible and semi-rigid polyurethane foams
Key FeaturesControlled reactivity, low odor, high compatibility
BenefitsImproved foam uniformity, reduced post-curing time, enhanced worker safety
Storage ConditionsStore in original sealed container at 5–30 °C, protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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