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

KY Chemical Trimer Curing Agent BG-450TB

KY Chemical Trimer Curing Agent BG-450TB is a high-performance aliphatic polyisocyanurate hardener from KY Chemical’s BG series, designed for UV/EB-curable coatings and inks. It delivers rapid cure speed, excellent weather resistance, low viscosity, and superior film hardness—ideal for demanding industrial applications requiring durability and clarity.
  • ky chemical trimer curing agent bg 450tb_431f0804
  • ky chemical trimer curing agent bg 450tb_431f0804

Features Of KY Chemical Trimer Curing Agent BG-450TB

  1. Highly reactive aliphatic trimer-based curing agent for rapid room-temperature cure.

  2. Excellent chemical resistance to solvents, acids, and alkalis after full crosslinking.

  3. Low viscosity (250–350 cP at 25°C) enables easy handling and homogeneous blending with epoxy resins.

  4. Non-yellowing formulation ensures long-term clarity and color stability in transparent coatings.

  5. Low free isocyanate content (<0.3%) enhances workplace safety and regulatory compliance.

Typical Applications Of KY Chemical Trimer Curing Agent BG-450TB

  1. Two-component polyurethane clearcoats for automotive OEM and refinish applications.

  2. High-performance industrial floor coatings requiring abrasion and chemical resistance.

  3. UV-resistant protective topcoats for architectural metal and concrete substrates.

  4. Electronics encapsulation systems demanding low outgassing and thermal stability.

  5. Marine-grade antifouling and corrosion-resistant coating systems.

Specifications Of KY Chemical Trimer Curing Agent BG-450TB

Chemical TypeAliphatic isocyanurate trimer
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
Functionality~3.0 (average NCO functionality)
NCO Content18.5–19.2 wt%
Density (25°C)1.18–1.22 g/cm³
Viscosity (25°C)250–350 cP
Storage Stability12 months unopened at <25°C, dry conditions


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