KH-590 3-Mercaptopropyltrimethoxysilane CAS 4420-74-0

Products Description

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Product Description

KH-590 (3-Mercaptopropyltrimethoxysilane CAS 4420-74-0) is a sulfur silane supplied worldwide by Guangzhou Epoxysca Material Technology Co., Ltd. It couples silica and other inorganic fillers to rubber during vulcanization, lowering rolling resistance while keeping wet grip and abrasion resistance. 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 crosslinking & vulcanization.

KH-590 Sulfur Silane skeletal structure diagram (PubChem) — KH-590 化学结构式:HS—(CH₂)₃—Si(OCH₃)₃

KH-590 Technical Data
Chemical Name	3-Mercaptopropyltrimethoxysilane
CAS No.	4420-74-0
Molecular Formula / MW	C₆H₁₆O₃SSi / 196.34
Equivalent grades	A-189(Momentive), KBM-803(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.
Crosslinking & vulcanization:Acts as a crosslink point in moisture-cure and peroxide systems Export packing and documents are available for this application.
Crosslinking & vulcanization:Acts as a crosslink point in moisture-cure and peroxide systems 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.
Metal surface treatment:Forms corrosion-protective films and improves paint adhesion Contact us for the English TDS and sample support.

Usage & Recommended Dosage

Common process routes and dosage references for KH-590 are summarized below. Detailed English process instructions are available on request.

Filler pretreatment: dosage reference 0.2%-1.0%. Process details are provided in the English TDS — contact our technical team.

Integral blend: dosage reference 0.5%-2.0%. Process details are provided in the English TDS — contact our technical team.

Recommended practice: dosage reference 1%-2%. 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-590 for export?

Yes. KH-590 (sulfur silane) 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-590?

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-590?

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-590?

Glass fiber sizing and Crosslinking & vulcanization are the primary applications. For formulation advice and dosage recommendations, please refer to the usage section or contact our technical team.