Dowpol Chemical International Corp.

Dowpol Chemical
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High Molecular Weight Polybutene

High molecular weight PB – combines many unique properties like barrier against moisture, tack and adhesion.

High molecular weight PB – combines many unique properties like barrier against moisture, tack and adhesion. They supports a wide range of different applications, from sealants for insulating glass to roofing membranes, from adhesives in medical applications to chewing gum.

Key properties:

- high water vapor barrier

- excellent adhesion to a variety of surfaces

- high flexibility at low temperatures

- high electrical resistancy

- no skin irritation

  Viscosity in solution (isooctane, 20°C)Concentration [g/cm3] Staudinger Index (J0) [cm3/g] Average molecular weight, viscosity average (Mv) [g/mol] Stabilized [with BHT]
B 50 0.002 113 - 143 400 000 Yes
B 100 0.002 241 - 294 1 110 000 Yes
B 150 0.001 416 - 479 2 600 000 Yes
B 200 0.001 551 - 661 4 000 000 Yes