Vehicle Polyurethane Sealant 600ml 310ml Auto Glass Windshield PU Sealant

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Product Description

Basic Specifications
Model NO. JB16
Color Black
Composition Polyurethane
Morphology Solid-State
Promoter Composition Curing Agent
CAS No. 94766-07-1
Classification Car
Characteristic High Strength Fast Bonding
Specification 300ml / 600ml
Product Overview

PUJB16 is a high-performance, one-part room temperature curing polyurethane sealant designed for professional automotive applications. It offers exceptional peel strength, superior elasticity, and is highly resistant to aging and vibration exhaustion. This moisture-curing adhesive is specifically formulated for direct glazing in automotive glass replacement.

Its primerless formula ensures fast adhesion to various substrates, making it an ideal choice for auto windscreen bonding and car body repairs. It is paintable, abrasion-resistant, and maintains its properties even in low-temperature environments.

Key Features & Benefits
No Sagging / Non-Sag Properties
Primerless Application
Excellent Thixotropy
Fast Adhesion to Substrates
Paintable & Abrasion Resistant
Weather & Aging Resistance
High Initial Bond Strength
High Mechanical Performance
No Oil Permeation
Technical Data Sheet
Property Value / Performance
Tack free time (min) 30-90
Curing speed (mm/24hrs) 3-5
Solid content (%) ≥ 95
Shore A hardness 60 ±
Tensile Strength (Mpa) ≥ 4.2
Elongation at break (%) ≥ 340
Shear strength (N/mm) ≥ 4.5
Service Temperature -40ºC ~ 80ºC
Application & Packaging
Frequently Asked Questions
Does PUJB16 require a primer before application?
No, PUJB16 is designed as a primerless sealant, allowing for fast and efficient adhesion to substrates without the need for additional priming steps.
What is the typical curing time for this polyurethane sealant?
The tack-free time is between 30 to 90 minutes, and it cures at a speed of approximately 3-5mm every 24 hours depending on environmental conditions.
Can this sealant be used for all types of vehicle glass?
Yes, it is specifically designed for automotive windshield bonding, auto window maintenance, and direct glazing in automotive glass replacement.
Is the sealant resistant to weather and aging?
Absolutely. PUJB16 features excellent weather resistance and aging resistance, ensuring a long-lasting and durable bond under various climates.
Can I paint over the sealant once it has been applied?
Yes, PUJB16 is multi-coating paintable and abrasion-resistant, making it suitable for car body repairs where a seamless finish is required.
What temperature range can this sealant withstand?
The product has a service temperature range of -40ºC to 80ºC, making it reliable for both extreme cold and high-heat environments.

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