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

Domestic KH570 LT570 3-Methacryloxypropyltrimethoxysilane

Domestic KH570 LT570 is a premium silane coupling agent—brand Domestic, series KH570, model LT570—featuring 3-methacryloxypropyltrimethoxysilane as its active ingredient. It enhances adhesion between organic polymers and inorganic substrates like glass, metals or fillers. Widely used in UV-curable coatings, adhesives, sealants and composite materials for superior crosslinking performance and hydrolytic stability.
  • domestic kh570 lt570 3 methacryloxypropyltrimethoxysilane_b3e1d4ca
  • domestic kh570 lt570 3 methacryloxypropyltrimethoxysilane_b3e1d4ca

Features Of Domestic KH570 LT570 3-Methacryloxypropyltrimethoxysilane

  1. High-purity domestic alternative to imported silane coupling agents, ensuring consistent reactivity and performance.

  2. Bifunctional molecular structure with methacrylate group for covalent bonding to organic polymers and hydrolyzable methoxy groups for strong adhesion to inorganic substrates.

  3. Excellent hydrolytic stability under controlled storage conditions, minimizing premature condensation.

  4. Low volatility and favorable handling characteristics compared to ethoxy-based analogues, enhancing workplace safety.

  5. Enables improved dispersion and interfacial strength in filled composites, especially with silica, glass fiber, and mineral fillers.

Typical Applications Of Domestic KH570 LT570 3-Methacryloxypropyltrimethoxysilane

  1. Surface modification of silica and quartz fillers in UV-curable coatings and inks.

  2. Adhesion promotion in acrylic-based structural adhesives and sealants for metal, glass, and ceramic substrates.

  3. Reinforcement of fiberglass-reinforced plastics (FRP) and pultruded composites.

  4. Functionalization of nanoscale fillers in high-performance engineering thermoplastics and thermosets.

  5. Key additive in dental composite resins to enhance filler–matrix bonding and mechanical durability.

Specifications Of Domestic KH570 LT570 3-Methacryloxypropyltrimethoxysilane

Chemical TypeOrganofunctional alkoxysilane
Product FormLiquid
AppearanceColorless to pale yellow transparent liquid
Primary ApplicationsCoupling agent for inorganic fillers in polymer composites, coatings, adhesives, and sealants
Key FeaturesMethacrylate functionality, trimethoxy substitution, hydrolyzable silane coupling agent
BenefitsEnhanced interfacial adhesion, improved mechanical properties, reduced filler agglomeration
Storage ConditionsStore in tightly sealed containers under dry, cool conditions (≤25°C), protected from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


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