How do you control quality?

We arrange sample confirmation before production, use professional QC staff during manufacturing, and welcome factory visits.

What are the main materials and advantages?

The main material is expandable graphite. Advantages include soundproofing, smoke prevention, and fire protection.

What colors are available?

Popular colors include Red, White, Black, and Brown, with customization options available.

CE Certificated Intumescent Flexible Fire Seal for Fire Doors

Name: CE Certificated Intumescent Flexible Fire Seal for Fire Doors
Brand: Hangzhou Biyou Building Materials Technology Co., Ltd.
SKU: 2058985815

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

US$0.20

5,000 Meters

Sample price:US$0.24/piece.Request sample

Product profile

Customization

Available

Application

Fire Widows and Doors

Material

Expandable Graphite

Model NO.

BY-NFS2015

Expansion

15-30 Times

Advantage

Soundproof Smoke and Fire Prevention

Package

25m/Roll

MOQ

2000m

Transport Package

25m/Roll

Specification

15x1.0mm

Trademark

Origin

Zhejiang

HS Code

392690

Production Capacity

50000000m

Key features

Fire & Smoke Prevention: Intumescent graphite seal prevents fire, smoke, and acoustic transmission effectively.

High Expansion Ratio: Expands 15-30 times upon heat exposure to seal gaps and maintain integrity.

Customizable Dimensions: Available in various sizes (10x2mm to 60x2mm) and can be customized per drawings.

Durable & Chemical Resistant: Unaffected by moisture, humidity, pollution, and common industrial chemicals.

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

CE Certified Quality: Obtains required integrity and insulation rates for fire doors and windows.

OEM Service Available: Supports OEM customization based on customer drawings or samples.

Professional Manufacturer: Over 20 years experience in manufacturing door, fire, and acoustic seals.

Company profile

Hangzhou Biyou Building Materials Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2014-12-05Nearest Port: Shanghai, NingboAverage Response Time: ≤10.66hTerms 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 Chinese manufacturer/factory with production in Jiashan, Zhejiang, while its international sales office is in Hangzhou. The supplier specializes in weather sealing systems and passive fire products, including intumescent seals, fire pillows, collars, tapes, smoke seals, and related sealing products. It reports ISO 9001 and ISO 14001 certifications, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The company states that it has professional R&D resources and efficient after-sales service, but the provided information does not independently substantiate the scope or performance of these services. Export activity is reported at 90% of sales, with self-operated import/export rights and exporting experience beginning in 2014. Limited transaction records identify buyers in Ukraine and Vietnam, but they do not establish a broad or well-verified customer portfolio. Evidence is insufficient to assess financial...

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, with a stated factory location in Jiashan, Zhejiang, separate from its Hangzhou international sales office. Its product description and operating data indicate direct manufacturing activity, including 10 production lines.

CertificationsThe supplier reports holding ISO 9001 and ISO 14001 management-system certifications. The slices identify the certifications but do not provide certificate numbers, issuing bodies, validity dates, or certified scopes.

After-Sales capabilityThe company explicitly states that it provides efficient after-sales service and describes its products and organization as supported by professional resources. However, no details are provided on service staffing, response times, warranty terms, or service outcomes.

R&D capabilityThe supplier states that it has a professional R&D group, and the profile reports 6–10 years of total R&D engineer experience. This supports the presence of an R&D function, but no patents, new-product records, testing results, or other measurable innovation achievements are provided.

Production capacityThe supplier identifies itself as a specialized manufacturer of weather sealing and passive fire products and reports 10 production lines, 6–10 quality-control staff, and 6–10 R&D engineers. These data provide explicit evidence of established production resources, although capacity utilization and delivery performance are not stated.

Client casesThe records associate the supplier with named buyers in Ukraine and Vietnam, including ТОВ КОВЛАР ГРУП, CÔNG TY TNHH KENTAR, and CÔNG TY CỔ PHẦN TẬP ĐOÀN KỸ NGHỆ GỖ TRƯỜNG THÀNH. Each provided record shows only one transaction, so the evidence confirms limited named buyer activity but does not demonstrate a broad, repeat, or independently verified customer case history.

Product Q&A

Q:Are you a manufacturer or trading company?

We are an international trading company and a professional manufacturer of door, window, fire, and acoustic seal products with over 20 years of experience.

Q:What is the payment method?

For samples, we accept T/T and Western Union. For orders, we prefer T/T with 30% advance payment and 70% before delivery for new customers.

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.

Q:What is the delivery time?

Generally, shipment is arranged within 7-30 days after receiving the deposit, depending on purchasing quantities.