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Thermal Conductive Two-components Room Temperature Curing Polyurethane Potting Compound

VS-PU1001P is a dual-component polyurethane thermal potting-sealing adhesive that cures at room temperature. This polyurethane thermal potting compound exhibits commendable insulation, moisture-resistance, sealing, and bonding characteristics. VS-PU1101P PU potting adhesive finds extensive application in the production of electronic and electrical products and modules.
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  • VS-PU1001P

  • VOLSUN

Description


VS-PU1001P is a two-component room temperature curable polyurethane thermal potting-sealing adhesive with good insulation, moisture proof, sealing and bonding properties, which is used in the manufacture of electronic and electrical products and modules, such as the potting-sealing protection of high-power power modules, frequency converters, sensors, etc., and the connection fixation between vehicle electronic devices and PCB.


Application Method


  • Components A and B are stirred separately

  • The stirred components A and B shall be mixed evenly at the ratio of 5:1 (either volume ratio/weight ratio can be used)

  • To ensure the uniform distribution of fillers, component A and component B must be separately stirred before mixing, and vacuumed for 3-10min after mixing

  • The mixed adhesive is poured into the device to be filled and cured


Cautions


  •  In order to ensure the uniform distribution of fillers, component A and component B must be separately stirred before mixing, so that each compound is evenly mixed

  • A and B agents will react and cure each other after mixing, so they need to be used after mixing, and can not be used twice after mixing and curing

  • When pouring into the protective part, there should be no large debris or other pollutants in the protective part to avoid affecting the adhesion of materials and objects

  • Before the material is fully cured, keep other objects away from the material, which may affect the appearance and protective performance of the material

  • Keep this product away from the mouth and eyes. If it enters the mouth and eyes accidentally, rinse it with clean water or go to the hospital

  • For high thermal conductivity, vacuum defoaming is required prior to perfusion


Storage Conditions & Shelf Life


  • Products should be stored in the original packaging sealed storage, avoid contamination (temperature: 15℃ < T < 30℃; Dry storage)

  • The shelf life is 6 months from the production date



Features

  • Operating temperature: -40℃~+120℃

  • Excellent thermal conductivity and bonding properties

  • Excellent thermal conductivity and aging resistance

  • Low viscosity, self-leveling, excellent seam drilling ability

  • Environmental protection standards: RoHS


Technical Performance

Properties

Typical Data

Test method

Mixing   ratio

5:1

/

Color   after mixing

Grey

Visual Inspection

Viscosity(A)   )@25

6000-9000cps

ASTM D2196

Viscosity(B   )@25

60-90cps

ASTM D2196

Viscosity   after mixing @25

2000-3000cps

ASTM D2196

Opening   hours @25

45-55min

/

Curing   condition

7d/25℃

/

Thermal   conductivity

0.8 W/m·k

ASTM D5470

Hardness

75±5 Shore A

ASTM D2240

Density

1.6 g/cm3

ASTM D792

Tensile   strength

2MPa

ASTM D412

Elongation   at break

5%

ASTM D412

Shear   strength

3MPa(Al/Al)

GB/T 7124-2008

Flame   retardant rating

V-0

UL94

Breakdown   strength

10kV/mm

ASTM D149

Volume   resistivity

1.0×1012 Ω·cm

ASTM D257


Dimensions

Model

Package

VS-PU1001P(1kg)

 A:1kg;B:0.2kg

VS-PU1001P(6kg)

A:5kg;B:1kg

VS-PU1001P(30kg)

 A:25kg;B:5kg


Note: Special model and package are available on request. 

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