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

KY Chemical Trimer Curing Agent BG-350TB

KY Chemical Trimer Curing Agent BG-350TB is a high-performance aliphatic polyisocyanate trimer from KY Chemical’s BG-Series, designed for premium UV-curable coatings and inks. It offers excellent weather resistance, low viscosity, and rapid curing under UV light—ideal for automotive clearcoats, plastic finishes, and industrial applications requiring superior gloss and durability.
  • ky chemical trimer curing agent bg 350tb_67049719
  • ky chemical trimer curing agent bg 350tb_67049719

Features Of KY Chemical Trimer Curing Agent BG-350TB

  1. Highly reactive aliphatic trimerized isocyanate with excellent storage stability.

  2. Low viscosity enables easy handling, precise metering, and uniform mixing with polyols.

  3. Delivers superior weather resistance and UV stability in final cured coatings and adhesives.

  4. Free of solvents and aromatic isocyanates—compliant with stringent VOC and REACH requirements.

  5. Enables rapid room-temperature cure kinetics without compromising pot life control.

Typical Applications Of KY Chemical Trimer Curing Agent BG-350TB

  1. High-performance two-component polyurethane coatings for automotive clearcoats and refinishes.

  2. Durable industrial maintenance coatings for metal, concrete, and composite substrates.

  3. UV-resistant topcoats for architectural façades and exterior plastic trim.

  4. Flexible yet tough adhesives and sealants for transportation and wind energy components.

  5. Clear protective layers for wood flooring and high-gloss decorative surfaces.

Specifications Of KY Chemical Trimer Curing Agent BG-350TB

Chemical TypeAliphatic isocyanurate trimer (HDI-based)
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
NCO Content (wt%)18.5–19.2%
Viscosity at 25°C (mPa·s)800–1,200
Density at 25°C (g/cm³)1.16–1.18
Flash Point (°C, closed cup)145–155
Storage Stability (unopened, 25°C)≥12 months


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