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

KY Chemical Trimer Curing Agent BG-550TB

KYChemicalTrimerCuringAgentBG-550TBisahigh-performancealiphaticpolyisocyanatetrimerfromtheBG-Series,offeringexcellentweatherresistance,lowviscosity,andfastcuringforhigh-glosscoatings,adhesivesandelastomers.IdealforUV-stableindustrialandautomotiveapplicationswithsuperiorchemicalandmechanicaldurability.
  • ky chemical trimer curing agent bg 550tb_3e3905d4
  • ky chemical trimer curing agent bg 550tb_3e3905d4

Features Of KY Chemical Trimer Curing Agent BG-550TB

  1. Highly reactive aliphatic trimer-based curing agent for fast ambient or low-bake crosslinking.

  2. Excellent compatibility with hydroxyl-functional acrylics, polyesters, and alkyd resins.

  3. Low volatile organic compound (VOC) content, supporting sustainable coating formulations.

  4. Superior yellowing resistance and UV stability in clear and pigmented topcoats.

  5. Consistent reactivity profile across batch-to-batch production, ensuring formulation reproducibility.

Typical Applications Of KY Chemical Trimer Curing Agent BG-550TB

  1. Automotive OEM clearcoats and refinish coatings.

  2. Industrial maintenance coatings for metal substrates.

  3. General-purpose coil coatings requiring rapid cure and durability.

  4. High-performance wood finishing systems for furniture and cabinetry.

  5. Plastic coatings requiring flexibility and adhesion on ABS and PC substrates.

Specifications Of KY Chemical Trimer Curing Agent BG-550TB

Chemical TypeAliphatic isocyanurate trimer (HDI-based)
Product FormLiquid
AppearanceClear, pale yellow liquid
NCO Content (wt%)18.5–19.2%
Viscosity (25°C, mPa·s)1,200–1,600
Specific Gravity (25°C)1.18–1.22
Flash Point (Cleveland Open Cup, °C)175–182
Storage Stability (unopened, 25°C)≥12 months


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