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Polyurethane Thermal Conductive Structural Adhesive

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SKU# BAPT

Product Detail

The Polyurethane Thermal Conductive Structural is a dual-component polyurethane thermal conductive structural adhesive with a thermal conductivity available in 1.2 W/m-K and 2.0 W/m-K. It is suitable for bonding between battery cells and cooling plates; and can be utilized for automated adhesive assembly. This material is mixed thoroughly by A and B components through a helical mixing tube. It can cure at room temperature as well at high temperatures. The adhesive surface stress is extremely low (virtually absent), ensuring excellent adhesion to the material interface and resulting in low thermal resistance. Once cured, it securely bonds the battery cells to the cooling plate. Its exceptional structural performance and weather resistance make it particularly suitable for adhesive applications in new energy vehicles. Moreover, the thermal conductive structural adhesive adopts a polyurethane formulation system. It is non-toxic, odorless, non-corrosive, and complies with RoHS directives and relevant environmental requirements.

1. Features

  • Good insulation and high/low temperature resistance.
  • Flame retardant rating of UL94 V0
  • Good maneuverability and flexibility

2. Characterizations

Before Curing

Type

A

B

Testing Standard

Tube 1

Tube 2

Tube 1

Tube 2

-

Color

Off-White

Black

Red/Optional (color can be changed)

White

-

Viscosity @25℃ 7#rotor 5rpm

1.0x10^5 cps - 3.0x10^5 cps

1.0x10^5 cps - 3.0x10^5 cps 2.0x10^5 cps 2.3x10^5 cps

ASTM D445

Density

1.75 g/cc

1.82 g/cc

2.0 g/cc

2.0 g/cc

ASTM D792

Mixing Ratio

1

1

1

1

-

After Curing

Thermal Conductive

1.2 W/m*K

2.0 W/m*K

IS022007-2

Density

1.8 g/cc

2.0 g/cc

ASTM D792

Hardness

≥60 Shore00

70 Shore00

ASTM D2240

Flame Retardant Rating

V0

V0

UL94

Surface Dry Time @23℃

60-90 min

20 min

Manual

Curing Time @ 25℃

7 D

7 D

Hardness Test

Tensile Strength

10.0 MPa

8.0 MPa

GB/T528 | ASTM D412

Aluminum-Aluminum Bond Shear Strength

9.0MPa

8.0 MPa

GB/T 7124 | ASTM D412

Shear Strength (untreated, PET/ET Film)

2.0 MPa

5.0 MPa

GB/T 7124 | ASTM D412

Elongation at Break

5%

5%

ISO 10563 | ASTM D149

Breakdown Voltage

12 kV/mm

12 kV/mm

ASTM D149 | ASTM D257

Volume Resistivity

>1012 Ohm*cm

>1012 Ohm*cm

ASTM D257 | GC

Recommended using temperature range

-40 ~ 80℃

-40 ~ 80℃

-

3. Storage Conditions

Shelf life: 6 months. Must use within half an hour after opening.

Storage conditions: Temperature: 15°C < T < 30°C

Relative humidity: RH<70%

 

Disclaimer: ACS Material, LLC believes that the information in this Technical Data Sheet is accurate and represents the best and most current information available to us. ACS Material makes no representations or warranties either express or implied, regarding the suitability of the material for any purpose or the accuracy of the information contained within this document. Accordingly, ACS Material will not be responsible for damages resulting from use of or reliance upon this information.