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All-Season Expanding Foam Insulation with Strong Adhesion for Doors, Windows & Wall Cracks
US$7.30
2,000-2,999 Pieces
US$6.90
3,000-4,999 Pieces
US$6.50
5,000+ Pieces
Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Compressive Strength

10 Mpa

Expansion Rate

2

Model NO.

DY-FS

Material

Polyurethane

Temperature Range

20-200℃

Name

Expanding Foam

Color

Black

Useage

Window,Door ,Gap

Size

1/4'' to 1''

Package

Carton

Transport Package

Carton

Specification

custom

Trademark

OEM ODM

Origin

Jiangsu, China

Production Capacity

100000

Key features

Long-Term Sealing Performance: Seals out air and water for over 20 years without shrinkage or blow-out.
Comprehensive Environmental Resistance: Resistant to rain, wind, sun/UV, sound, draft, and dust with UL94 fire rating.
Breathable Vapor Management: Allows vapors to move through while maintaining a hermetic seal against moisture.
Versatile Gap Filling: Expands and conforms to irregular substrates, replacing caulk and liquid sealants.
Low Water Absorption: Absorbs less than 5% water, preventing drying out or becoming brittle.
Flexible Customization Options: Offers full, minor, and flexible customization from samples or designs.

Company profile

Changzhou Dengyue Polymer Group Co., Ltd.
Years of Export ExperienceFast DeliveryFull CustomizationSocially Responsibility Certification
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: Shanghai PortAverage Response Time: ≤3.55h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with affiliated companies and offers multiple foam, cork, insulation, and packaging-related products. It demonstrates professional R&D capability, 3D software design, ODM, OEM, new-product development, and broad customization services. Production-related evidence includes several machines, in-stock capacity, standardized finished-product inspection, quality assurance, raw-material traceability, and export sales of 31%–40%. However, the supplier lacks an effective manufacturing-capacity contract with affiliated subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show participation. After-sales and sustainability capabilities are only partially evidenced. Financial records are identified for 2021–2023, but the provided data does not establish financial strength.
Supplier typeThe supplier identifies itself as a professional technical supplier and is legally structured as a limited company. Its product scope covers sealing foam strips, acoustic and protection foam, cork series, insulation sponge, beauty-type products, and floral foam; it also has affiliated companies.
R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, new-product development within the past year, ODM services, and OEM service for well-known brands. It does not have an available SDK, but this limitation does not negate the broader product-design and development evidence.
Production capacityProduction evidence includes stamping, heat-shrink-film packaging, cutting, glue-coating, and packing machines, plus in-stock capacity and export sales representing 31%–40% of total sales. Finished-product inspection instructions are uniformly followed, quality assurance is reported, and raw materials are traceable; however, there is no valid manufacturing-capacity contract with affiliated subcontractors.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These services are supported by both stated R&D capability and design-service capability.
Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one customer-service category. The slices do not identify the brands, projects, quantities, or documented case results, so the breadth and verifiability of customer cases remain limited.

Product Q&A

Q:What is the expected lifespan of the seal?
A:
The expanding foam tape provides a durable seal that lasts for over 20 years without drying out or becoming brittle.
Q:Does the product absorb water?
A:
No, the foam absorbs less than 5% water, ensuring it does not swell or degrade due to moisture.
Q:Is the foam fire resistant?
A:
Yes, it features a flame retardant property with a reaction to fire rating of UL94 / Class B1/B2.
Q:How do I determine the correct thickness to use?
A:
Measure the gap you need to fill and then double that measurement to choose the correct foam thickness.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1000 pieces.

Send Inquiry

*To:Changzhou Dengyue Polymer Group Co., Ltd.Changzhou Dengyue Polymer Group Co., Ltd.
*Content:
0/4000

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