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

Tosoh CORONATE 1334 Curing Agent

Tosoh CORONATE 1334 Curing Agent is a low-viscosity aliphatic polyisocyanate hardener from Tosoh’s CORONATE series, designed for high-performance two-component polyurethane coatings. It offers excellent weather resistance, fast curing at room temperature, and superior gloss retention—ideal for automotive refinishes and industrial topcoats requiring durability and clarity.
  • tosoh coronate 1334 curing agent_1a9b6321
  • tosoh coronate 1334 curing agent_1a9b6321

Features Of Tosoh CORONATE 1334 Curing Agent

  1. Aliphatic polyisocyanate-based curing agent offering excellent weather resistance and UV stability.

  2. Low viscosity enables easy handling, precise metering, and compatibility with standard spray and mixing equipment.

  3. Provides fast ambient-temperature cure kinetics without requiring excessive catalyst loading.

  4. Delivers superior gloss retention and minimal yellowing in high-performance topcoat systems.

  5. Compliant with major global VOC regulations for industrial coating applications.

Typical Applications Of Tosoh CORONATE 1334 Curing Agent

  1. Aerospace exterior coatings for aircraft fuselages and structural components.

  2. Automotive OEM clearcoats and repair refinish topcoats.

  3. High-end architectural metal cladding and façade coatings.

  4. Railway vehicle exterior finishes requiring long-term color and gloss stability.

  5. Industrial maintenance coatings for offshore and chemical plant infrastructure.

Specifications Of Tosoh CORONATE 1334 Curing Agent

Chemical TypeAliphatic polyisocyanate (hexamethylene diisocyanate trimer)
Product FormLiquid
AppearanceClear, pale yellow liquid
NCO Content (wt%)15.8–16.2%
Viscosity at 25°C (mPa·s)1,800–2,200
Density at 25°C (g/cm³)1.19–1.21
Solvent ContentAcetate-based (non-halogenated)
Primary Applications2K polyurethane topcoats requiring durability, clarity, and low-VOC performance


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