Products Description
Product Description
KH-574 (3-Methacryloxypropyltriethoxysilane CAS 21142-29-0) is an acyloxysilane supplied worldwide by Guangzhou Epoxysca Material Technology Co., Ltd. The acyloxy group hydrolyzes readily, providing crosslinking and adhesion promotion in neutral-cure silicone systems. It is available in export-grade packaging: a batch COA is provided with every shipment, and English TDS/MSDS can be requested from our sales team. Sea or air shipment is arranged according to the goods class and destination requirements. Typical applications include glass fiber sizing and composite materials.

| Chemical Name | 3-Methacryloxypropyltriethoxysilane |
|---|---|
| CAS No. | 21142-29-0 |
| Molecular Formula / MW | C₁₃H₂₆O₅Si / 290.43 |
| Appearance | Colorless transparent liquid |
| Equivalent grades | KBE-503(Shin-Etsu Japan |
Applications
- Glass fiber sizing:Bonds the coupling film to the glass surface, improving wet-out and laminate strength Contact us for the English TDS and sample support.
- Composite materials:Improves the fiber-matrix interface and laminate strength Export packing and documents are available for this application.
- Specialty applications:Improves interface bonding and dispersion in the target system Contact us for the English TDS and sample support.
- Coatings:Improves adhesion, crosslink density and weathering resistance Export packing and documents are available for this application.
Usage & Recommended Dosage
Common process routes and dosage references for KH-574 are summarized below. Detailed English process instructions are available on request.
Filler pretreatment: dosage reference 0.3%-1.0%. Process details are provided in the English TDS — contact our technical team.
Sizing application: dosage reference 0.2%-0.6%. Process details are provided in the English TDS — contact our technical team.
Integral blend: dosage reference 0.5%-1.5%. Process details are provided in the English TDS — contact our technical team.
Packaging & Storage
Store sealed in a cool, dry and ventilated place, away from light and moisture. Standard packing: 20 kg carton, 25 kg plastic drum, 200 kg steel drum or IBC. Other packings available on request. Shelf life: 12 months in unopened original packaging.
Frequently Asked Questions
Can you supply KH-574 for export?
Yes. KH-574 (acyloxysilane) is supplied worldwide from Guangzhou Epoxysca. Sea freight (FCL/LCL) and air freight are both available; packing and documents follow the hazardous-goods class and destination port requirements.
How can I get the English TDS, MSDS and COA of KH-574?
A batch COA is provided with every shipment. English TDS and MSDS can be requested from our sales team when inquiring; the technical data on this page follows the same specification as the COA.
What is the MOQ and lead time for KH-574?
Both sample-size and full-packing orders are acceptable. Regular lead time is confirmed per order; sea and air schedules can be arranged according to your destination port or airport.
What are the main applications of KH-574?
Glass fiber sizing and Composite materials are the primary applications. For formulation advice and dosage recommendations, please refer to the usage section or contact our technical team.
