What materials are used in the seal strip?

The seal strip is made from high-quality PVC materials with a soft and hard composite design using co-extrusion technology.

PVC Soundproofing Seal Strip for Door Bottom Insulation

Name: PVC Soundproofing Seal Strip for Door Bottom Insulation
Brand: Hebei Changlian Rubber and Plastic Products Co., Ltd
SKU: 2108841822

Hebei, ChinaHebei Changlian Rubber and Plastic Products Co., Ltd

US$0.65-1.50

500 Pieces

Sample price:US$1.50/piece.Request sample

Product profile

Customization

Available

Material

PVC

Usage

Doors & Windows

Model NO.

36mm

Type

Solid Core Sealing Strip

Sectional Shape

T-Shape

Performance

Wear

Vulcanization

Continuous Vulcanization

Standard

Color

Black, Brown, White, Grey, Transparent

Function

Soundproof, Easy Installation, Durable

Design Style

Modern

Product Name

Seal Strip

Application

Home Office

Backing

Self Sdhesive

Technology

Co-Extrusion

Transport Package

Plastic Bag + Carton Box

Specification

36mm

Trademark

Changlian

Origin

Hebei Qinghe

HS Code

3926909090

Production Capacity

1000 Piece/Pieces Per Week

Key features

Soft-Hard Composite Design: Hard part ensures stable structure while soft part provides perfect seal and floor protection.

High Resilience & Durability: Quickly recovers original shape after compression, maintaining long-term sealing performance.

Effective Sound Insulation: Significantly reduces noise transmission from streets, neighbors, or other rooms.

Dustproof and Insect-Proof: Effectively blocks dust, insects, and small pests from entering the room.

Energy Saving Performance: Prevents air leakage, retaining cool/warm air to reduce energy consumption and bills.

Easy Self-Adhesive Installation: Peel-and-stick backing allows simple installation by cutting to size and pressing firmly.

Wide Application Compatibility: Suitable for wooden, glass, metal, and plastic doors in homes, offices, and hotels.

Customizable Color Options: Available in Black, Brown, White, Grey, and Transparent to match various styles.

Company profile

Standardized quality controlProduction Process VisualizationManagement CertificationFull Customization

Hebei Changlian Rubber and Plastic Products Co., Ltd

Hebei, 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: 6 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.31h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and OEM/ODM capabilities, with documented procedures for finished-product inspection, service assessment, corrective actions, and complaint handling. Production evidence includes rubber-processing, testing, machining, and extrusion equipment, plus 100% finished-product inspection and three quality inspectors. However, the supplier reports no overseas warehouse, showroom, agents or branches, and no offline trade-show participation. It also lacks raw-material traceability, reported no new products in the past year, and has no SDK. Financial information is insufficient for a credibility judgment. Certification details are incomplete, identifying only “Others.”

Supplier typeThe supplier has exported goods for six years and accepts multiple international quotation and payment terms. It provides OEM and ODM services, but reports no overseas warehouse, showroom, agents, branches, or offline trade-show participation; therefore, it is evidenced primarily as an export-oriented manufacturer rather than an overseas-service provider.

After-Sales capabilityWritten procedures and followed records exist for service assessment, corrective and preventive actions, and customer complaints. However, the supplier has no overseas service facilities or representatives, and the number of countries offering overseas services is stated as zero, limiting direct overseas support.

R&D capabilityThe supplier offers design customization and ODM services, but reports no new products during the past year and no available SDK. It also states that it has not established an AI model for data-driven decision management, indicating limited documented recent innovation activity.

Production capacityThe supplier lists extensive rubber-processing, extrusion, machining, testing, and vulcanization equipment. It performs 100% finished-product inspection, employs three quality inspectors, and reports lead times within 15 working days in both peak and off-season, providing explicit evidence of production and quality-control capacity.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also provides ODM services and OEM services for popular brands, demonstrating broad documented customization capability.

Product Q&A

Q:Why choose your company?

We are a factory with over 20 years of manufacturing experience and an experienced R&D team, producing high-quality products at reasonable prices according to your requirements.

Q:Do you provide free samples?

Yes, we can provide samples free of charge, but the buyer has to pay the freight.

Q:What are your terms of payment?

If the payment is less than or equal to 1000 USD, 100% of the payment shall be made. If the payment is greater than 1000 USD, 30% shall be paid in advance, and the balance shall be paid before delivery.

Q:How long is the delivery time?

Generally, it is 5-10 days if the goods are in stock. If the goods are not in stock, it is 15-20 days, depending on the quantity.

Q:What products can you supply?

We supply rubber extrusion, rubber seal strips, plastic seal strips, door seals, rubber gaskets, molded rubber parts, and rubber hoses.