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

Evonik VESTANAT B1358 100 Blocked IPDI Trimer Curing Agent

Evonik VESTANAT® B1358/100 is a blocked IPDI trimer curing agent offering excellent weather resistance thermal stability and low-VOC performance ideal for high-performance coatings adhesives and elastomers requiring robust crosslinking without premature reaction.
  • evonik vestanat b1358 100 blocked ipdi trimer curing agent_4752bc31
  • evonik vestanat b1358 100 blocked ipdi trimer curing agent_4752bc31

Features Of Evonik VESTANAT B1358 100 Blocked IPDI Trimer Curing Agent

  1. Highly stable blocked isocyanate based on a fully aliphatic IPDI trimer backbone.

  2. Excellent storage stability at ambient temperature with no premature deblocking.

  3. Enables low-bake curing profiles (typically 120–140 °C), supporting energy-efficient processing.

  4. Delivers outstanding UV resistance and long-term gloss retention in final coatings.

  5. Compatible with hydroxyl-functional acrylics, polyesters, and alkyds for high-performance 2K systems.

Typical Applications Of Evonik VESTANAT B1358 100 Blocked IPDI Trimer Curing Agent

  1. Automotive OEM clearcoats and topcoats requiring exceptional weatherability.

  2. Industrial maintenance coatings for metal substrates exposed to outdoor conditions.

  3. High-end architectural coatings for aluminum composite panels (ACM) and façade systems.

  4. Powder coating formulations where low-cure reactivity and film integrity are critical.

Specifications Of Evonik VESTANAT B1358 100 Blocked IPDI Trimer Curing Agent

Chemical TypeBlocked aliphatic isocyanate (IPDI trimer, methyl ethyl ketoxime-blocked)
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsTwo-component (2K) solventborne and high-solids coatings
Key FeaturesLow-bake reactivity, excellent compatibility, UV stability, non-yellowing
BenefitsReduced energy consumption, superior durability, enhanced gloss and color retention
Storage Stability≥12 months at ≤25 °C in sealed original container
VOC ContentNon-VOC (0 g/L as supplied)


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