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{"title":"Anti Aging Car Windshield Adhesive Automotive Installation Polyurethane Sealant","imgUrl":"https:\/\/img.chinax.com\/nimg\/f2\/a0\/2878b0c99c7b8aab9c828721eb34-200x200-1\/anti_aging_car_windshield_adhesive_automotive_installation_polyurethane_sealant.jpg","attrs":{"Brand Name":"HONGSHUYE","Model Number":"43","Certification":"ISO9001,MSDS,CE","Place of Origin":"Guangzhou, Guangdong, China"}}
{"title":"Polyurethane Waterproof Adhesive Sealant for Construction Concrete Crack Repair","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/46\/fbe5f46e74a901b0083196d9a479-200x200-1\/polyurethane_waterproof_adhesive_sealant_for_construction_concrete_crack_repair.jpg","attrs":{"Brand Name":"HUANGSHIKANG","Model Number":"43","Certification":"ISO9001,MSDS,CE","Place of Origin":"Guangzhou, Guangdong, China"}}
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Polyurethane automotive sealant is a high-performance, moisture-curing elastomeric material specifically designed for bonding, sealing, and protecting critical components in vehicles, with application scenarios spanning new automotive manufacturing, aftermarket repairs, and maintenance of passenger cars, commercial vehicles, trucks, and specialty vehicles. Its usage covers a wide range of automotive joints and surfaces, including windshield and window perimeters, body panel seams, door and trunk edges, engine compartment gaps, and underbody components. The application method adheres to industry-standard protocols: first, thoroughly clean the target surfaces to remove dust, oil, grease, rust, or old sealant residues, ensuring they are dry and contaminant-free; apply a compatible primer (if required for low-surface-energy substrates like plastic or painted metal) and allow it to air-dry completely; use a caulking gun to extrude the sealant in a continuous, uniform bead along the joint or gap, maintaining consistent thickness to avoid voids or uneven coverage; tool the sealant immediately with a smooth, solvent-moistened tool (or gloved finger) to ensure full contact with the substrate and create a neat finish; allow the sealant to cure at ambient temperature—curing is activated by atmospheric moisture, and the vehicle should be kept stationary during the curing period to ensure optimal bond strength and sealing performance, with full curing typically achieved within 24 to 48 hours depending on environmental conditions.
Features
Exceptional bonding versatility: Forms strong, durable bonds with a wide range of automotive substrates, including glass, steel, aluminum, fiberglass, plastic (PP, PVC, ABS), and painted surfaces, eliminating the need for multiple sealant types in vehicle assembly or repair.
Superior structural integrity: Delivers high shear and tensile strength, functioning as both a sealant and structural adhesive that resists separation under extreme driving conditions such as vibrations, impacts, and thermal cycling.
Outstanding weather and chemical resistance: Withstands a broad temperature range (-40°C to 120°C), UV radiation, rain, snow, road salt, and automotive fluids (gasoline, diesel, engine oil, coolants), preventing degradation, cracking, or peeling over long-term use.
Excellent flexibility and movement accommodation: Retains elasticity after full curing, adapting to thermal expansion and contraction of vehicle components, as well as minor structural movements, without losing seal tightness or bonding strength.
Rapid moisture curing: Cures efficiently upon exposure to atmospheric moisture, enabling streamlined production workflows in factories and reducing downtime for repairs or replacements in automotive workshops.
Waterproof and dustproof sealing: Creates an airtight, watertight barrier that prevents water infiltration, dust accumulation, and noise penetration, enhancing vehicle comfort, corrosion resistance, and longevity.
Low VOC and compliance: Meets global automotive environmental standards, emitting minimal volatile organic compounds (VOCs) and being free of harmful substances, ensuring safety for both installers and end-users.
Applications
Automotive glazing: Bonding and sealing windshields, rear windows, side windows, sunroofs, and panoramic roofs, providing structural support and waterproofing to protect the interior from moisture and noise.
Body assembly: Sealing seams between body panels (doors, fenders, hoods, trunks), preventing water, dust, and road debris from entering the vehicle body and reducing corrosion risk.
Engine compartment and underbody: Sealing gaps in engine bays (around hoses, wiring harnesses, and components), as well as underbody joints, fuel tanks, and exhaust system connections, resisting high temperatures and chemical exposure.
Commercial and heavy-duty vehicles: Sealing truck cabs, bus windows, construction machinery cabins, and agricultural vehicle body parts, withstanding harsh operating environments, heavy vibrations, and extreme weather.
Specialty and electric vehicles (EVs): Sealing battery enclosures, EV powertrain components, racing car body seams, and recreational vehicle (RV) glazing, meeting strict safety, durability, and aerodynamic requirements.
Aftermarket repairs: Fixing leaking seals, replacing damaged body seams, and reinstalling components during collision repairs or vehicle restoration, restoring the vehicle’s original sealing performance and structural integrity.
Marine and off-road vehicles: Sealing windshields, body panels, and mechanical components for boats, yachts, ATVs, and UTVs, resisting saltwater corrosion, humidity, and rugged off-road conditions.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1997
Total Annual:
3000000-5000000
Employee Number:
200~250
Ecer Certification:
Verified Supplier
Guangzhou Mangrove Rubber Industry Co., Ltd.. has a factory area of 40,000 square meters, a production and
R&D team of more than 200 people, and a daily output of 72,000. It owns Foshan Shouzheng Silicone Co., Ltd.,
Guangzhou Huashikang ... Guangzhou Mangrove Rubber Industry Co., Ltd.. has a factory area of 40,000 square meters, a production and
R&D team of more than 200 people, and a daily output of 72,000. It owns Foshan Shouzheng Silicone Co., Ltd.,
Guangzhou Huashikang ...