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High Hardness Polyurethane Foam Sealant Waterproof Sealing Gaps In Roofs Doors Windows

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High Hardness Polyurethane Foam Sealant Waterproof Sealing Gaps In Roofs Doors Windows

Name: High Hardness Polyurethane Foam Sealant Waterproof Sealing Gaps In Roofs Doors Windows
Brand: INSPER
Price: 1 USD

Cheap High Hardness Polyurethane Foam Sealant Waterproof Sealing Gaps In Roofs Doors Windows for sale

Brand Name : INSPER

Model Number : A2

Certification : ISO9001

Place of Origin : China

MOQ : 500 boxes

Price : negotiation

Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram

Supply Ability : 10000000000

Delivery Time : 10 days

Packaging Details : 750ml

Keywords : polyurethane foams adhesive

Service Temperature : -40-90℃

Material : Polyurethane

Density : 20-30 kg/m³

Processing Methods : OEM ODM

Uv Resistance : Good

Skin Over Time : 10 Minutes

Product Type : Sealant

Flammability : B2 grade

Reusable : Yes

Applicationtemperature : -5°C to 35°C

Expansionrate : 20-30 times original volume

Shelf Life : 12 Months

Feature : Bonding Strength

Einecs No : 210-898-8

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1. Characteristics

Polyurethane foam sealant is a versatile, high-performance polymeric material widely applied in construction, decoration, automotive manufacturing, packaging, and electrical industries—ideal for scenarios like filling irregular gaps around door/window frames, insulating industrial pipelines, sealing automotive body seams, cushioning fragile goods during transportation, and waterproofing electrical enclosures. Its core advantages lie in exceptional expandability (expanding 3-10 times to fully fill voids of any shape), a cured closed-cell structure that delivers superior airtight, waterproof, thermal, and sound insulation effects, strong adhesion to most substrates (concrete, metal, wood, plastic) without extra adhesives, and convenient on-site application via aerosol cans or pressure barrels, balancing efficiency and cost-effectiveness for both professional and DIY projects.

2. Features

Outstanding Expandability: Rapidly expands to multiple times its original volume, adapting to gaps of varying sizes and irregular shapes seamlessly.
Superior Sealing & Protection: Forms a dense, water/air-tight barrier after curing, blocking moisture, dust, and air infiltration effectively.
Excellent Thermal & Acoustic Insulation: Low thermal conductivity and sound transmission coefficient reduce energy loss and noise pollution.
Strong Multi-Substrate Adhesion: Bonds firmly to concrete, metal, wood, plastic, and glass without additional bonding agents.
Durable & Weather-Resistant: Resists aging, UV radiation, and temperature extremes (-40℃ to 80℃), maintaining stability indoors and outdoors.
Easy & Efficient Application: Portable packaging with precise spraying guns, fast initial curing (10-20 minutes), and minimal labor requirements.

3. Applications

Construction & Decoration: Filling door/window frame gaps, sealing wall cracks and pipe penetrations, bonding glass curtain walls, and soundproofing interior partitions.
Thermal Insulation Projects: Insulating HVAC systems, industrial pipelines, refrigeration equipment, and building exterior walls to save energy.
Automotive & Transportation: Sealing car body seams, soundproofing/insulating vehicle interiors, and filling gaps in railway carriages or ship cabins.
Packaging & Logistics: Cushioning fragile items (glassware, electronics, precision instruments) to absorb impact during transit.
Electrical & Electronic Industry: Sealing electrical enclosures, cable joints, and electronic component casings to prevent moisture/dust damage.
Other Fields: Repairing furniture gaps, sealing agricultural greenhouses, and waterproofing civil air defense projects.

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