What's your delivery time?

Generally, we will arrange shipment within 7-30 days after receiving the deposit and according to your purchasing quantities .

How do you control the quality?

We will arrange sample confirmation before production if you need . During the production, we have professional QC staffs control the quality and manufacture in accordance to your confirmed samples. Welcome your visit to factory.

Fire Resistance Intumescent Fire Seal for Fire Doors

Name: Fire Resistance Intumescent Fire Seal for Fire Doors
Brand: Hangzhou Biyou Building Materials Technology Co., Ltd.
SKU: 2063960965

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

US$0.70

5,000 Meters

Product profile

Customization

Available

After-sales Service

3 Years

Application

Indoor, Outdoor

Model NO.

BY-DF

Certification

CE, ISO

Material

Graphite and PVC

Funtion

Soundproof Smoke and Fire Prevention

Color

White, Brown, Black or as Request

MOQ

1000 PCS

Transport Package

125PC/Carton

Specification

20x4.0mm

Trademark

Origin

Zhejiang

HS Code

3925300000

Production Capacity

50000000m

Key features

Fire and Smoke Prevention: Based on expansion graphite to prevent fire, smoke, and acoustic transmission.

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

Easy to Cut and Install: Features good quality adhesive tape for easy cutting and installation on doors and windows.

Customizable Colors: Available in White, Brown, Black, or customized colors as per request.

High Expansion Ratio: Offers up to 25 times expansion ratio for effective sealing during fire events.

CE and ISO Certified: Obtained CE and ISO certifications ensuring integrity and insulation rate compliance.

OEM and Customization Service: Supports customization based on customer drawings or samples for specific requirements.

Versatile Application: Suitable for indoor and outdoor fire doors, windows, and various sealing applications.

Company profile

Hangzhou Biyou Building Materials Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2014-12-05Nearest Port: Shanghai, NingboAverage Response Time: ≤10.33hTerms 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 also is a professional door and windows seal,fire and acoustic seal products manufacturer with more than 20 years experience for domestic and International market.

Q:What is payment method?

For samples: T/T, western union. For orders: We prefer T/T, other ways should be confirmed first. For new customer,30% advanced payment before producing ,70% before delivering usually.

Q:Do you offer free samples?

Free samples are available .

Q:Do you offer OEM service and can you product as our drawings?

Yes, we can customize according to your drawing or make drawing according to sample as your requirement.

Q:Do you accept our design on boxes?

Yes. We accept.