How long does it take to form a water-resistant layer?

It reacts with carbon dioxide in the air to form an insoluble water-resistant treatment within 24 hours.

Waterproof Agent for Building Material

Name: Waterproof Agent for Building Material
Brand: Hangzhou Silway New Material Technology Co., Ltd.
SKU: 2110151075

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

US$1.00-3.00

1,250 kg

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

Type

Water Repellent Admixture

Sample

Yes

Model NO.

Silway 715

Main Ingredients

Potassium Methylsilicate

Solid Content (90 Min at 150 ℃, %)

Active Content, %

Specific Gravity (25/25 ℃)

1.29

Advantage 1

Good Waterproof Performance and Weather Resistance

Advantage 2

Greatly Improve The Service Life of The Substrate

Advantage 3

Water-Based System, Environmentally Friendly

Advantage 4

Low Voc

Shelf Life

12 Months

Storage

Being Storage in Closed Containers

After-sales Service

24 Hours Online Service

Transport Package

1250kg Drums or According to Customer Request.

Specification

potassium methylsilicate

Trademark

HZsilway

Origin

Zhejiang, China

Production Capacity

100tons/Month

Key features

Excellent Waterproofing: Reduces water absorption, preventing spalling and efflorescence to extend substrate life.

Eco-Friendly Formula: Water-based system with low VOC, non-flammable, and environmentally friendly.

Breathable Protection: Penetrating and breathable coating that preserves the natural appearance without yellowing.

Fast Curing Action: Reacts with air CO2 to form insoluble water-resistant treatment within 24 hours.

Wide Application: Suitable for bricks, sandstone, limestone, ceramics, and various building surfaces.

High Solid Content: Supplied at 42% concentration with 23% active content for effective performance.

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: ≤3.69hTerms 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.