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.

Intumescent Kit for Overhead Concealed Door Closer

Name: Intumescent Kit for Overhead Concealed Door Closer
Brand: Hangzhou Biyou Building Materials Technology Co., Ltd.
SKU: 1955061592

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

US$0.20

2,000-2,999 Sets

US$0.10

3,000+ Sets

Product profile

Customization

Available

Application

Indoor, Outdoor

Certification

CE, ISO

Model NO.

BY-IHP

After-Sales Service

3 Years

Material

Graphite

Expansion

15-30 Times

Advantage

Soundproof Smoke and Fire Prevention

Appearance

Plate

Color

Black

Edge

Square

Shape

Square

Refractory Temperature

1580~1770℃

Warranty

3 Years

Grade

1-2 Hours

Thickness

1-2mm

Type

Intumescent Fire Seal

Surface Finishing

Adhesive Tape

Usage

Hardware

Transport Package

Cartons

Specification

As pictures

Trademark

Origin

Zhejiang

HS Code

392690

Production Capacity

50000000m

Key features

Fire and Smoke Prevention: Provides soundproof smoke and fire prevention with graphite material.

High Expansion Ratio: Expands 15-30 times when exposed to high temperatures.

CE and ISO Certified: Meets CE and ISO certification standards for safety and quality.

High Temperature Resistance: Withstands refractory temperatures between 1580-1770 degrees Celsius.

OEM and Customization: Supports OEM services and customization based on customer drawings.

Versatile Application: Suitable for both indoor and outdoor fire-rated door installations.

Adhesive Tape Surface: Features adhesive tape for easy installation on hinges and frames.

3-Year Warranty: Comes with a 3-year warranty for after-sales service assurance.

Company profile

Hangzhou Biyou Building Materials Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2014-12-05Nearest Port: Shanghai, NingboAverage Response Time: ≤10.40hTerms 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 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 the 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.