How do you control the quality?

We arrange sample confirmation before production. During production, professional QC staff control quality and manufacture according to confirmed samples. Factory visits are welcome.

What are the available colors?

Standard colors include Red, White, Black, and Brown. Customized colors are also available.

The Minimum Order Quantity is 2000 meters.

En Standard Intumescent Fireproof Seal Graphite Weatherstrip for Doors and Windows

Name: En Standard Intumescent Fireproof Seal Graphite Weatherstrip for Doors and Windows
Brand: Hangzhou Biyou Building Materials Technology Co., Ltd.
SKU: 904511915

Zhejiang, ChinaHangzhou Biyou Building Materials Technology Co., Ltd.

US$0.50

5,000 Meters

Sample price:US$0.50/meter.Request sample

Product profile

Customization

Available

Application

Fire Widows and Doors

Expansion

15-30 Times

Model NO.

BY-NFS3020

Advantage

Soundproof Smoke and Fire Prevention

Package

25m/Roll

MOQ

2000m

Transport Package

25m/Roll

Specification

30x2.0mm

Trademark

Origin

Zhejiang

HS Code

392690

Production Capacity

50000000m

Key features

High Expansion Ratio: Intumescent graphite expands 15-30 times to seal fire, smoke, and acoustic gaps effectively.

Customizable Dimensions: Available in various sizes like 10x2.0mm, 20x4.0mm, and custom dimensions per drawings.

Multi-Color Options: Colors include Red, White, Black, Brown, and customized options to match door aesthetics.

Moisture & Chemical Resistant: Unaffected by moisture, humidity, pollution, and common industrial or household chemicals.

Easy Installation: Easy to cut and equipped with good quality adhesive tape for quick and secure application.

OEM & Custom Service: We accept OEM orders, custom drawings, and specific box designs as per customer requirements.

Professional Manufacturer: Over 20 years experience in fire, smoke, and acoustic seal products with professional QC.

Fast Delivery: Standard delivery within 7-30 days after deposit, ensuring timely project completion.

Company profile

Hangzhou Biyou Building Materials Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2014-12-05Nearest Port: Shanghai, NingboAverage Response Time: ≤11.57hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryHangzhou Biyou Building Materials Technology Co., Ltd. is identified as a China-based manufacturer/factory with production in Jiaxing, Zhejiang, specializing in weather sealing and passive fire protection products. It reports ISO 9001 and ISO 14001 management-system certifications, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The supplier states that 90% of sales are exports, has self-operated import/export rights, and began exporting in 2014. Its stated product range covers fire, smoke, acoustic, TPE, silicone, and PVC sealing products. The available trade records show limited transaction evidence, with one transaction associated with each listed buyer record; therefore, customer-case depth and financial credibility cannot be fully assessed. After-sales service and product customization are mentioned or implied only partially and lack sufficient detail for a definitive evaluation.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory, with an international sales office in Hangzhou and a factory in Jiashan, Jiaxing, Zhejiang. Its stated business focuses on manufacturing weather-sealing and passive-fire products, supported by 10 production lines.

CertificationsThe supplier reports holding ISO 9001 and ISO 14001 management-system certifications. These certifications provide explicit evidence of formal quality and environmental management systems, although the slices do not provide certificate numbers, issuing bodies, or validity dates.

After-Sales capabilityThe company states that it provides efficient after-sales service and has professional R&D resources and high-quality products. However, no specific service scope, response process, support locations, warranty terms, or service-performance evidence is provided.

R&D capabilityThe supplier states that it has a professional R&D group, and the reported total experience of its R&D engineers is 6–10 years. This supports the existence of an experienced R&D function, but the slices do not document patents, new-product launches, proprietary technologies, or measurable innovation outcomes.

Production capacityThe supplier identifies itself as a manufacturer and reports 10 production lines, 6–10 quality-control staff, and a factory location in Jiaxing, Zhejiang. These facts provide explicit evidence of established production infrastructure and quality-control staffing.

Product Q&A

Q:Are you a manufacturer or trading company?

We are an International trading company and also a professional manufacturer of door and window seals, fire and acoustic seal products with more than 20 years of experience.

Q:What is the payment method?

For samples: T/T, Western Union. For orders: T/T is preferred. New customers usually pay 30% advanced payment before production and 70% before delivery.

Q:Do you offer free samples?

Yes, free samples are available upon request.

Q:Do you offer OEM service?

Yes, we can customize products according to your drawings or create drawings based on your samples as per your requirements.

Q:What is the delivery time?

Generally, we arrange shipment within 7-30 days after receiving the deposit, depending on your purchasing quantities.