Is this product suitable for fire doors?

It can be used as a supplementary smoke, acoustic and draught seal in compatible door systems. Any fire-performance claim depends on the complete tested door assembly. Please provide the required test standard so that we can confirm the applicable product and documentation.

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

The standard minimum order quantity is 400 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 10-20 days after confirming the profile, quantity, color and adhesive requirements. Customized products may require additional production time.

Acoustic Triangular Strip for Door Noise Reduction Applications

Name: Acoustic Triangular Strip for Door Noise Reduction Applications
Brand: Foshan Nanhai Chongtai Fire-Proof Material Co., Ltd.
SKU: 1999334551

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

US$2.10

500 PCS

Product specifications

14 x 14 mm

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Rubber

Usage

Doors & Windows

Model NO.

FQ-VA021

Type

Self-Adhesive Rubber Sealing Strip

Sectional Shape

Triangular

Performance

Smoke, Acoustic and Draught Sealing

Vulcanization

Continuous Vulcanization

Standard

Standard, Nonstandard

Product Name

Triangular Self-Adhesive Rubber Smoke Seal

Standard Length

2100 mm

Profile Size

Customizable

Adhesive

Self-Adhesive Double-Sided Tape

Installation Method

Peel-and-Stick Installation

Main Application

Door Frames

Main Function

Smoke, Acoustic and Draught Sealing

Certificate

En 1634-1

Colour

Black / White / Brown / Custom Colors

MOQ

500 PCS

Sample Time

7 Days

Lead Time

15-20 Days

Keyword

Sealing Strip/Door Seal/Door Seal Strip

Transport Package

Carton

Trademark

FAN QIU

Origin

China

HS Code

3916909000

Key features

Triangular Sealing Profile: Designed to fit door and frame corner gaps and provide consistent contact along the sealing surface.

Easy Self-Adhesive Installation: Supplied with double-sided adhesive tape for convenient peel-and-stick installation without complicated tools.

Multi-Function Gap Sealing: Helps reduce smoke leakage, draughts, noise and air movement around doors and frames.

Flexible Rubber Construction: The flexible rubber profile adapts to minor variations in the door gap while maintaining sealing contact.

Standard and Custom Lengths: The standard length is 2.1 meters, with alternative lengths available according to project requirements.

Customizable Profiles and Colors: Triangular dimensions, cross-sectional profiles and colors can be customized for different door systems.

OEM and ODM Support: Products can be manufactured from customer drawings, dimensions or physical samples.

Sample and Production Support: Samples can normally be prepared within 7 days, with standard production lead times of approximately 10-20 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: ≤2.56h

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 triangular self-adhesive seal used for?

It is designed for sealing gaps around doors and door frames. It helps reduce smoke leakage, draughts, noise and air movement through the gap.

Q:What material is the seal made from?

The seal is manufactured from flexible rubber. The exact rubber formulation can be selected according to the required flexibility, durability and application conditions.

Q:How is the seal installed?

Clean and dry the installation surface, remove the protective liner from the double-sided adhesive tape, and press the seal firmly into position. The surface should be free from dust, oil and moisture before installation.

Q:What is the standard product length?

The standard length is 2.1 meters. Other lengths can be produced according to the required door dimensions and order quantity.

Q:Can the triangular profile and color be customized?

Yes. The profile dimensions, cross-sectional shape, length, adhesive configuration and color can be customized from drawings, measurements or physical samples.