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

TMG 248 Polyurethane Catalyst

TMG248PolyurethaneCatalystisabrandedproductfromtheTMGseriesbyAirProducts,featuringatertiaryamine-basedacceleratorforpolyurethanefoamsystemswithexcellentflowcontrol,lowemissionprofile,andbalancedreactivityforflexibleandrigidfoamapplications.
  • tmg 248 polyurethane catalyst_b4a602d5
  • tmg 248 polyurethane catalyst_b4a602d5

Features Of TMG 248 Polyurethane Catalyst

  1. Highly selective tertiary amine catalyst optimized for balanced gelling and blowing reactions in flexible slabstock foams.

  2. Low volatility and reduced amine odor, supporting improved workplace safety and compliance with industrial hygiene standards.

  3. Excellent compatibility with polyether polyols and common isocyanates (e.g., TDI, MDI), ensuring stable processing across diverse formulations.

  4. Enables precise control over cream time, rise profile, and final cell structure without excessive post-cure requirements.

  5. Non-corrosive to standard stainless steel and aluminum process equipment under normal handling conditions.

Typical Applications Of TMG 248 Polyurethane Catalyst

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

  2. High-resilience (HR) foam manufacturing requiring consistent density and airflow performance.

  3. Automotive seating and interior trim foams with stringent VOC and fogging specifications.

  4. Conventional and water-blown cold-cure molded foams.

  5. Composite foam systems incorporating flame retardants or bio-based polyols.

Specifications Of TMG 248 Polyurethane Catalyst

Chemical TypeTertiary amine catalyst (N,N,N′,N′-tetramethyl-1,3-butanediamine derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsFlexible slabstock and molded polyurethane foams
Key FeaturesBalanced reactivity, low volatility, low odor
BenefitsImproved process stability, reduced emissions, enhanced foam uniformity
Storage ConditionsStore in original sealed container at 15–25°C; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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