No Primer Car Windshield Polyurethane Adhesive Automotive Sealant PU Sealant for Auto Glass

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Product Description

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Product Overview

Model NO.
Jpu20
Color
Black
Composition
Organic Material
Morphology
Smooth Paste
Shelf Life
12 Months
Tensile Strength
8.5 MPa
MOQ
7200 PCS
Certification
CE, ISO9001, ISO14001
Curing Rate
3mm/24 Hours
Material
Polyurethane
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Product Description

Car Windshield Polyurethane Adhesive
High Performance Waterproof Auto Glass Repairing PU Sealant for Windshield
PU Sealant Details
PU Sealant Application

FEATURES & BENEFITS

  • Non-corrosion to substrates
  • High tensile strength
  • Excellent adhesion on glass
  • Permanently flexible
  • High mechanical performances

COMPOSITION

One component, polyurethane sealant

USABLE LIFE AND STORAGE

Store below 90°F (32°C) in a dry place. The polyurethane sealant has a usable life of 12 months from date of manufacture. Refer to product packaging for use-by date.

Sealant Features
Sealant Packaging

APPLICATIONS

This product can be used for bonding of windshields in automotive, trucks, buses, and trains.

LIMITATIONS

  • Avoid exposure to high levels of chlorine.
  • Do not cure in the presence of curing silicone sealant.
  • Will not adhere to some plastics such as polyethylene, polypropylene.
  • Should not be applied outdoors if it is likely to be rained upon within 2 hours of application.
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Product Parameters

Items Unit Typical Value Requirement Test Std
Appearance/OKFine, uniform pasteQ/JL-00-T001
Densityg/cm31.381.38±0.10GB/T 13477.2
Tack freemin55≤75GB/T 13477.5
Saggingmm0≤1GB/T 13477.6
Consistencycm5.64~7Q/JL-00-T005
Solid Content%99≥95.0GB/T 2793
Hardness, ShoreA/5850~70GB/T 531.1
Curing Depth 24hmm3.5≥3.0GB/T 32369
Tensile StrengthMPa6.2≥4.5GB/T 528
Elongation at break%880≥500GB/T 528
Tear StrengthN/mm2010~30GB/T 529
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Production & Capability

Factory Overview
Production Line
Laboratory

Founded in 2009, our brand holds a leading market position in the industrial and construction sectors. We are committed to providing bonding & sealing solutions, including silicone, polyurethane, acrylic, epoxy resin, and cyanoacrylate adhesives. Raw materials are imported from world-famous brands and produced using advanced automated systems.

Our products pass strict quality test standards and hold ISO, SGS, CNAS, and CE certificates. Customer satisfaction is our top priority, supported by short lead times and competitive prices.

Facility 1
Facility 2
Facility 3
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Packaging & Certifications

Packaging Detail
Certification 1
Certification 2
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Our Advantages

Advantage Image
  • Professional adhesive & sealant expertise in China
  • Excellent adhesive & sealant solution provider
  • Guaranteed quality with raw materials from world-famous brands
  • Fast delivery with massive daily production capacity
  • Rich experience collaborating with global leading brands
Workshop
Storage
Full Team

Frequently Asked Questions

1. What is the primary use of the Jpu20 PU sealant?
It is specifically designed for the high-performance bonding of windshields in automobiles, trucks, buses, and trains, providing a waterproof and durable seal.
2. What is the curing rate and mechanism?
The sealant uses a moisture-curing mechanism with a curing rate of approximately 3mm per 24 hours, depending on environmental humidity and temperature.
3. How should the product be stored to ensure maximum shelf life?
The product should be stored in a dry place below 90°F (32°C). When stored correctly, it has a usable shelf life of 12 months from the date of manufacture.
4. Is the sealant resistant to environmental factors?
Yes, it features high tensile strength, permanent flexibility, and excellent waterproof properties, making it suitable for demanding automotive applications.
5. Are there any surface limitations for application?
While it has excellent adhesion on glass and metal, it will not adhere well to certain plastics like polyethylene or polypropylene. Also, avoid applying it in areas with high chlorine exposure.
6. What certifications does this sealant have?
The product is fully certified with CE, ISO9001, and ISO14001, ensuring it meets international quality and environmental standards.

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