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

Evonik Dynasylan LM 43 Low ketoxime emission type oximino crosslinker

Evonik Dynasylan LM 43 is a low-ketoxime-emission oximino-functional silane crosslinker from the Dynasylan® series. Designed for high-performance RTV-1 silicone sealants, it ensures rapid curing, excellent adhesion, and reduced VOC emissions versus traditional ketoxime types. Ideal for automotive, construction, and electronics applications requiring eco-friendly, reliable crosslinking.
  • evonik dynasylan lm 43 low ketoxime emission type oximino crosslinker_acfa15ea
  • evonik dynasylan lm 43 low ketoxime emission type oximino crosslinker_acfa15ea

Features Of Evonik Dynasylan LM 43 Low ketoxime emission type oximino crosslinker

  1. Low-ketoxime emission formulation for improved workplace safety and compliance with stringent VOC and indoor air quality regulations.

  2. High hydrolytic stability enabling extended shelf life and reliable performance in moisture-sensitive silicone and silane-modified polymer systems.

  3. Excellent compatibility with silane-terminated polymers (STPs), polyether-based MS polymers, and hybrid sealants.

  4. Rapid room-temperature crosslinking kinetics without requiring external catalysts or elevated curing temperatures.

  5. Enhanced adhesion promotion to diverse substrates including glass, aluminum, concrete, and painted surfaces.

Typical Applications Of Evonik Dynasylan LM 43 Low ketoxime emission type oximino crosslinker

  1. High-performance construction sealants for façade, glazing, and expansion joint applications.

  2. Automotive interior sealants and bonding agents where low odor and low VOC emissions are critical.

  3. Electronics encapsulants and conformal coatings requiring low outgassing and high dielectric stability.

  4. Renewable energy applications including solar panel edge sealing and battery module potting compounds.

Specifications Of Evonik Dynasylan LM 43 Low ketoxime emission type oximino crosslinker

Chemical TypeOximino-functional alkoxysilane
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsCrosslinker for silane-terminated polymers (STP), MS polymers, and hybrid sealants
Key FeaturesLow ketoxime emission, catalyst-free cure, substrate adhesion promoter
BenefitsImproved occupational health & safety, reduced odor, faster handling strength development
Storage ConditionsStore in tightly closed containers at 5–30 °C; protect from moisture and direct sunlight


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