Is the product toxic or harmful?

No, Silway 732 is non-toxic and odorless.

Polymethylhydrogensiloxane as Water Repellent for Gypsum and Cement Silway 732

Name: Polymethylhydrogensiloxane as Water Repellent for Gypsum and Cement Silway 732
Brand: Hangzhou Silway New Material Technology Co., Ltd.
SKU: 2056500982

Zhejiang, ChinaHangzhou Silway New Material Technology Co., Ltd.

US$2.00

1,000-9,999 kg

US$1.50

10,000+ kg

Sample price:US$100.00/kg.Request sample

Product profile

Customization

Available

Appearance

Liquid

Application

Concrete Floor, Roofing

Model NO.

Silway 732

Application Method

Spray

Drying Time

24 hours

Environmental Impact

Eco-Friendly, Non-Toxic

Type

Silicone Waterproofing

Volatile Content (150 ℃, 3h, %)

Flash Point (Closed Cup, ℃)

>150

Viscosity (Cst, 25℃)

Hydrogen Content (%)

1.58

pH

Transport Package

200L, IBC Tanks

Specification

200L, IBC tanks

Trademark

Silway

Origin

Hangzhou

HS Code

3910000000

Production Capacity

5000 Tons/a

Key features

Non-Toxic and Odorless: Safe silicone waterproofing agent with no harmful fumes or toxicity.

High Vapor Permeability: Allows substrates to breathe while forming a resilient waterproof barrier.

Low Usage Concentration: Effective at concentrations as low as 0.2% to reduce material costs.

Durable Waterproof Film: Prevents moisture, mildew, and rust while reducing freeze-thaw spalling.

Adjustable Curing Process: Curing time and temperature can be adjusted using catalysts for efficiency.

Versatile Substrate Compatibility: Suitable for concrete, glass, ceramic, leather, paper, metal, and marble.

Company profile

Hangzhou Silway New Material Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-01-01Nearest Port: SHANGHAIAverage Response Time: ≤4.22hTerms of Payment: T/T, Alibaba payInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DAP, CIP

AI-Powered supplier vetting

SummaryHangzhou Silway New Material Technology Co., Ltd. is identified as a China-based limited company operating as both a trading company and manufacturer/factory, with chemical products focused on silicone additives, water repellents, release agents, antifoams, and related agricultural and industrial applications. It reports three production lines and annual productivity of 1,000 tons each for silicone adjuvants and water repellents. The supplier states that it has exported since 2017, derives 51%–70% of sales from exports, and holds self-managed import/export rights. Its stated R&D engineer experience and quality-control staffing are each below five, while its descriptions emphasize technological innovation and internal management. No certifications, after-sales capabilities, customization services, or detailed customer case studies are provided. Trade records show one transaction associated with each of two buyers, but these records are limited and do not establish broad customer performance.

Supplier typeThe supplier is identified as both a trading company and manufacturer/factory, while another record classifies it as a trading company. It is a limited company based in Hangzhou, Zhejiang, China, and operates in chemical-related trade.

R&D capabilityThe supplier explicitly states a long-term commitment to silicone innovation, science and technology, technological innovation, and improving market competitiveness. However, the reported total experience of R&D engineers is below five, and no patents, laboratories, or developed-project evidence is provided.

Production capacityThe supplier reports three production lines and annual productivity of 1,000 tons for silicone adjuvants plus 1,000 tons for water repellents. These stated production resources and capacities provide explicit evidence of manufacturing capability.

Client casesTwo trade records associate the supplier with one buyer in Uzbekistan and one buyer in Vietnam, with one transaction recorded for each. These entries provide limited evidence of customer activity but do not establish a broad, documented customer portfolio or successful case history.