PU4500 Series Polyurethane Glue

Product Features

SHEEN’s PU4500 Series Thermal Conductive Polyurethane Adhesive Glue is also known as a polyurethane structural adhesive. It provides strong mechanical bonding, excellent thermal conductivity, and chemical resistance, making it ideal for applications requiring durable and efficient heat dissipation. Key applications include EV battery packs, high-power electronics, communication equipment, and LED lighting, where reliable adhesion and thermal management are critical.

Product Parameters

The SHEEN’s PU4500 Series Thermal Conductive PU Adhesive are renowned for their distinctive characteristics, which include:  
◆ Thermal conductivity ranging from 1.0 to 2.0 W/m·K.
◆ Two-component adhesive, cures at room temperature or with heat.
◆ 100% solid content, non-toxic, no harmful emissions.
◆ High bonding strength, suitable for various substrates including aluminum and PET.
◆ Excellent chemical resistance.

【Applications】

◆ EV battery packs
◆ High-power electronics
◆ Communication equipment
◆ LED lighting

Properties

Model / PU4500-A-10AB PU4500-A-15AB PU4500-A-20AB
Properties Unit Value Value Value
Before Curing
Main Component / A: Polyol; B: Isocyanate A: Polyol; B: Isocyanate A: Polyol; B: Isocyanate
Color / A: Gray; B: White A: Gray; B: White A: Black; B: White
Density g/cm3 A:1.67±0.3; B:2.02±0.3 A:1.92±0.3; B:2.11±0.3 A:2.3±0.3; B:2.6±0.3
After Mixing
Color / Gray Gray Black
Mix Ratio / 1:1 1:1 1:1
Viscosity / Thixotropy Thixotropy Thixotropy
After Curing
Hardness Shore D 55±5 70±5 70±10
Density g/cm3 1.87 1.87 2.45
Tensile Strength MPa 17 16 14
Elongation % 60 15 30
Shear Strength (Al-Al) MPa 16 10 9.5
Shear Strength After Aging (Al-Al) MPa 15 15
Thermal Conductivity W/m·K 1.0 1.5 2.0
Operating Temp. -40~85 -40~85 -40~85
RoHS PASS IEC 62321 IEC 62321 IEC 62321
Halogen PASS EN 14582 EN 14582 EN 14582
REACH PASS EN 14372 EN 14372 EN 14372

【Storage & Transportation】

Store in a well-ventilated, cool, and dry place, away from open flames.
This product is non-toxic and should be stored and transported as a non-hazardous material.
【Packaging】

● 50cc ● 400cc
【Shelf Life】

6 months