Do you provide OEM and ODM services?

Yes. We support OEM and ODM production and can manufacture the seal according to customer drawings, samples, dimensions, colors and project requirements.

What is the minimum order quantity, and are samples available?

The standard minimum order quantity is 500 meters. Samples are available for evaluation and can normally be prepared within approximately 7 days. Customers are responsible for sample shipping costs.

What is the production lead time?

Standard production lead time is approximately 15-20 days after the order details are confirmed. The actual lead time may vary depending on order quantity, profile complexity and customization requirements.

Heat-Activated Expansion Fire Seal Strip for Door & Window Gaps

Name: Heat-Activated Expansion Fire Seal Strip for Door & Window Gaps
Brand: Foshan Nanhai Chongtai Fire-Proof Material Co., Ltd.
SKU: 1994256831

Guangdong, ChinaFoshan Nanhai Chongtai Fire-Proof Material Co., Ltd.

US$0.22

500 Meters

Product specifications

Thickness 2 mm

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Rubber and Expanded Graphite

Usage

Doors & Windows

Model NO.

FQ-C4

Type

Intumescent Fire and Smoke Seal

Sectional Shape

Customizable

Performance

Fire, Smoke and Acoustic Sealing

Vulcanization

Continuous Vulcanization

Standard

Standard, Nonstandard

Product Name

Flexible Intumescent Fire and Smoke Seal

Filler

Expanded Graphite

Thickness

2 mm / 4 mm / 6 mm

Installation Method

Groove Mounted

Colour

Black / Brown / Grey / Custom Colors

Main Usage

Fire, Smoke, Acoustic and Draught Sealing

Activation Temperature

Approx. 180

Expansion Ratio

15-20X

Testing Standards

as 1530 / En 1634-1 / UL 10c

MOQ

500 Meter

Lead Time

15-20 Days

Sample Time

7 Days

Cross-Section Shape

Customized

Transport Package

Carton

Trademark

FAN QIU

Origin

China

HS Code

3916909000

Key features

Flexible Fire and Smoke Sealing: Designed for door, window and frame gaps to help restrict the passage of fire, smoke, hot gases and draughts.

Graphite-Based Composition: Combines flexible rubber with expanded graphite to provide reliable sealing performance and installation adaptability.

Multiple Thickness Options: Available in 2 mm, 4 mm and 6 mm thicknesses for different groove dimensions and sealing requirements.

Customizable Profiles and Colors: Cross-sectional shapes can be customized, with black, white, grey and other project-specific colors available.

Test Documentation Available: Documentation for applicable configurations tested to AS 1530, EN 1634-1 and UL 10C can be provided for project review.

OEM and ODM Support: Products can be manufactured according to customer drawings, samples, dimensions and application requirements.

Sample and Production Support: Samples can normally be prepared within 7 days, and standard production lead time is approximately 15-20 days.

Company profile

Flexible CustomizationStandardized quality controlStandardized Supplier ManagementCustomization from Samples

Foshan Nanhai Chongtai Fire-Proof Material Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤2.85h

AI-Powered supplier vetting

SummaryThe supplier operates in rail transit, high-speed rail equipment and accessories, new energy technologies, technical glass, fireproof sealing materials, and related special equipment. It reports extensive customization capability, OEM service for recognized brands, standardized finished-product inspection, and multiple quality, environmental, occupational-health, fire-protection, and EU certifications. Its company description states that it has served nearly a thousand major enterprises and achieved an average annual order delivery rate above 98%. However, the provided information indicates no valid manufacturing-capacity contract with an affiliated subcontractor, no inventory, overseas warehouse, overseas showroom, overseas agent or branch, or offline trade-show participation. Financial credibility cannot be assessed because the supplied financial fields contain zero values and no reliable supporting explanation.

Supplier typeThe supplier is positioned as a seller and developer of rail transit and high-speed rail equipment, rail transit green composite materials, new energy prime movers and technologies, technical glass, fireproof sealing materials, and special equipment. The scope indicates an industrial equipment and component supplier with research and development activities, rather than a general trading-only business.

CertificationsThe supplier reports ISO9001:2015, ISO14001, ISO45001, EU CE certification, 17 fire-protection product certificates issued by the Ministry of Emergency Management Fire Assessment Center, and more than 20 EU fire-resistant material certificates. This is explicit evidence of broad quality, environmental, occupational-health, fire-product, and EU compliance certification.

R&D capabilityThe supplier describes its products as innovative and offers research and development activities in emerging energy technologies and nuclear-power equipment assembly and engineering technology. It also supports customization and OEM services, but reports no available SDK; the evidence supports product and engineering innovation activity without establishing a complete software-development capability.

Customization capabilityThe supplier explicitly offers flexible customization, minor customization, full customization, customization from customer designs, and customization from samples. Its description also states that products can be customized according to actual needs, providing direct evidence of broad customization capability.

Client casesThe supplier states that it has long served nearly a thousand major enterprises and reports OEM service for recognized brands. It also cites extensive fire-protection and EU fire-resistant material certifications, but no specific customer names, project descriptions, or independently verifiable case details are provided.

Product Q&A

Q:What is the FQ-C1 intumescent seal used for?

It is designed for sealing gaps in doors, windows and frames. When exposed to fire conditions, the graphite-based material expands to help restrict the passage of fire, smoke and hot gases.

Q:What materials are used in the product?

The FQ-C1 seal is manufactured from flexible rubber combined with expanded graphite. This construction provides flexibility for installation and heat-activated expansion under fire conditions.

Q:What sizes and colors are available?

Available thicknesses include 2 mm, 4 mm and 6 mm. Black, brown, grey and customized colors are available.

Q:Can the cross-sectional profile be customized?

Yes. We can customize the cross-sectional shape, dimensions and color according to your groove size, technical drawing or physical sample.

Q:Which fire-test standards are available?

Test documentation for applicable configurations evaluated according to AS 1530, EN 1634-1 and UL 10C can be provided. Please send us your application and required standard so that we can confirm the relevant report.