What is the physical appearance of KH-550?

It appears as a clear, pale liquid with a colorless and transparent look.

Silane Coupling Agent 3-Aminopropyltriethoxysilane Kh-550 CAS 919-30-2

Name: Silane Coupling Agent 3-Aminopropyltriethoxysilane Kh-550 CAS 919-30-2
Brand: Yantai Wenxu Industrial Co., Ltd.
SKU: 2255001915

Shandong, ChinaYantai Wenxu Industrial Co., Ltd.

US$1,000.00-4,000.00

5 Tons

Sample price:US$75.00/kg.Request sample

Product profile

Customization

Available

CAS No.

919-30-2

Formula

C9h23no3si

Model NO.

KH-550, YH-69(Si-69), YH-75(Si-75)

EINECS

213-048-4

Appearance

Liquid

Usage

Oil Drilling Auxiliary Agent, Rubber Auxiliary Agents, Plastic Auxiliary Agents

Color

Colorless and Transparent

Model Number

Kh-550

Other Names

Aminopropyltriethoxysilane

Shelf Life

24 Months

Sample

Available

Transport Package

in 200kg Drum or IBC

Specification

99%

Trademark

WENXU

Origin

Shandong, China

HS Code

3812100000

Key features

High Purity Grade: Purity is guaranteed at 98% minimum for consistent performance.

Versatile Application: Suitable for epoxy, phenolic, nylon, PVC, and polyurethane systems.

Adhesion Promoter: Enhances bonding to glass, aluminum, and iron metals effectively.

Mechanical Strength: Improves wet/dry bending strength, compressive, and shear strength.

Fast Delivery: Average lead time within 15 workdays for both peak and off seasons.

Flexible Payment: Supports LC, T/T, Western Union, and small-amount payments.

Sample Availability: Samples are available for quality verification before bulk order.

Long Shelf Life: Product maintains stability with a shelf life of 24 months.

Company profile

Yantai Wenxu Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-10-01Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤6.49hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT

AI-Powered supplier vetting

SummaryYantai Wenxu is identified as a China-based manufacturer/factory established in 2003, with chemical production, research and development, and sales integrated within the business. Its stated product portfolio includes aluminum sulfate, alum, polyaluminium chloride, calcium hydroxide, water-treatment chemicals, and related products. Evidence indicates substantial production capacity, including stated annual output of 150,000 tons overall, 30,000 tons for aluminum sulfate-series products, and 20,000 tons each for polyaluminium chloride and calcium hydroxide. The supplier reports multiple ISO-related certifications, GMP, and environmental-management credentials, as well as relevant production and hygiene-license approvals. It has exported since 2015 and reports that exports account for 51%–70% of sales. Innovation and sustainability activities are described, but evidence for after-sales service, customization, financial credibility, and specific customer cases is insufficient.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and is described as an integrated chemical enterprise covering production, research and development, and sales. Its stated founding year is 2003, supporting an established operating history.

CertificationsThe supplier reports ISO 9000, ISO 14001, ISO 9001, ISO 14000, GMP, and ISO 14064 certifications, plus ISO 9000:2008 quality-management certification, a national industrial product production license, and a Shandong drinking-water sanitation safety product hygiene approval. These are explicit indicators of quality, environmental, manufacturing, and product-compliance systems.

R&D capabilityThe supplier describes technology development, innovative solutions, research and development integration, green-chemistry efforts, and sustainability-oriented environmental and safety management. It also reports 11–20 years of total R&D-engineer experience, providing explicit support for innovation capability, although no quantified R&D investment or independently verified innovation results are provided.

Production capacityThe supplier offers a broad chemical product range and reports annual output of 150,000 tons overall, including 30,000 tons for aluminum sulfate-series products and 20,000 tons each for polyaluminium chloride and calcium hydroxide. It also reports 6–10 quality-control staff and factory facilities in Yantai, supporting substantial production and quality-control capacity.

Product Q&A

Q:What are the main applications of KH-550?

It is used as a surface treatment agent for inorganic fillers like calcium carbonate, glass fiber treatment, and as an adhesion promoter in epoxy, phenolic, and polyurethane adhesives.

Q:How does KH-550 improve composite materials?

It improves mechanical strength, electrical properties, and anti-aging properties of composites, and enhances the wetting and dispersion of fillers in polymers.

Q:What are the payment terms?

We accept LC, T/T, Western Union, and small-amount payments.

Q:What is the lead time for delivery?

The average lead time is within 15 workdays for both peak season and off season.

Q:Is sample available for testing?

Yes, samples are available for customers to verify quality before placing bulk orders.