Powered by Made-in-China.com
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
AvailableCompressive Strength
10 MpaExpansion Rate
2Model NO.
DY-FSMaterial
PolyurethaneTemperature Range
20-200℃Name
Expanding FoamColor
BlackUseage
Window,Door ,GapSize
1/4'' to 1''Package
CartonTransport Package
CartonSpecification
customTrademark
OEM ODMOrigin
Jiangsu, ChinaProduction Capacity
100000Key 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
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:
Supplier replies will be sent to your registered email
You may also like
All Purpose One Component Polyurethane Foam PU Open Cell Foam Low Expansion PU Foam
US$1.90-2.10
1,000 Pieces(MOQ)
Smooth Surface Without Bubbles Expansion Moisture Curing Strong Cohesiveness Elastic Foam Structure Siway PU Foam
US$1.90-2.10
1,000 Pieces(MOQ)
Good Sound Insulation Low Expansion Bonded PU Foam
US$1.90-2.10
1,000 Pieces(MOQ)
750ml Superior Expansion PU Polyurethane Foam Supplier
US$1.80-2.10
1,000 Pieces(MOQ)
Fire Rated Large Expansion PU Polyurethane PU Foam
US$2.30-2.80
1,000 Pieces(MOQ)
Fire Rated PU Foam Chemical Polyol Large Expansion PU Polyurethane Sealant
US$1.90-2.10
1,000 Pieces(MOQ)
Low Shrinkage Expanding PU Foam for Precise Sealing in Construction and Installation Projects
US$1.50-6.00
2,000 Pieces(MOQ)
Large Expansion PU Polyurethane New Aerosol Canned PU Foam Sealant
US$1.90-2.10
1,000 Pieces(MOQ)
Hydrophilic Waterstop Type Swellable for Concrete Construction Joint Sealing
US$0.81
1,500 Meters(MOQ)
Expansion Rubber Hydrophilic Swelling Waterstop for Construction Joint Seal
US$1.78
1,500 Meters(MOQ)
Heavy-Duty Polymer Based Waterstop for Apartment Waterproof Protection
US$0.40-2.40
100 Meters(MOQ)
Industrial Strength Expandable Swelling Waterstop for Concrete Joint
US$0.81
1,500 Meters(MOQ)
Rubber Waterstop for Expansion Joint Sealing
US$0.81
1,500 Meters(MOQ)
Professional Bentonite Hydrophilic Waterstop - Stable Performance & Corrosion Resistance
US$0.25-2.00
100 Meters(MOQ)
UV Protected Polymer Based Waterstop for Exposed Construction
US$0.40-2.40
100 Meters(MOQ)
Rubber Water Stop Pz Type Red Color Expanding Sealing Strip
US$1.99-3.99
300 Square Meters(MOQ)
Commercial Polymer Based Waterstop for Pool Corrosion Resistance Barrier
US$0.40-2.40
100 Meters(MOQ)
Flexible PVC Waterstops Belt for Movements Joints Waterproofing
US$3.99-7.99
300 Meters(MOQ)
Fire Protection Seal Strip: Non-Adhesive for Enhanced Fire Safety
US$0.10-0.50
500 Meters(MOQ)
Non Adhesive Intumescent Fire Seal Strip for Contemporary Building Protection
US$0.10-0.50
500 Meters(MOQ)



















