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Elantas Bectron® PU 4516: Polyurethane Potting

Elantas Bectron® PU 4516

  • Product code: Bectron® PU 4516
  • Manufacturer: Elantas
  • Package size:
  • Shelf Life: 6 months

 

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Elantas Bectron® PU 4516 is a robust polyurethane with low shrinkage, offering excellent insulation properties and providing reliable mechanical and chemical protection. This low viscosity system ensures ease of potting while delivering superior adhesion and thermal resistance.

Highlight Features

  • Temperature Resistance: Withstands temperatures up to 130°C.
  • Adhesion: Provides excellent adhesion to various substrates.
  • Dielectric Properties: Delivers strong dielectric performance.
  • Curing Options: Cures at room temperature with an option for heat curing.
  • Low Shrinkage: Maintains stability and minimal shrinkage.
  • ROHS Compliant: Meets ROHS standards for environmental safety.

Applications of Elantas Bectron® PU 4516

Elantas Bectron® PU 4516 is suitable for potting applications where high mechanical and chemical protection is needed. The processing time is approximately 40 minutes, during which viscosity will increase. For batch production, ensure the prepared volume allows processing within this timeframe. When using metering equipment, accelerators can be employed to shorten the setting time.

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Properties of materials as supplied

Property

PU 4516

PH 4912

Units

 

Colour

 

Black

Brown trans- parent

 

Viscosity 25°C DIN 53019

450 ± 100

110 ± 30

mPa.s

Spec. gravity 20°C DIN EN ISO 2811-1

1.03 ± 0.05

1.23 ± 0.05

g/cm3

Shelf Life

6

6

months

Properties of mixture

Property

 

Mix Ratio: PU 4516 : PH 4912

 

2.0

2.4

 

1

1

 

Parts by weight Parts by volume

@20°C

Viscosity DIN 53019

25°C

310 ± 90

mPa.s

Process time (200g mixture)

25°C

26

Min

Mechanical properties of cured compound

Property

Condition

Value

Units

Specific Gravity DIN 16945

20°C

1.09 ± 0.02

g/cm3

Hardness ISO 868

 

70 ± 10

Shore D

Impact resistance DIN 53453

 

14

N/mm.mm2

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