POLLYCOTE HTD

PIPELINE CORROSION TAPE

POLLYCOTE HTD is for use when very high temperatures prevail such as with offshore pipeline joint protection and is based on a tough special high temperature resistant PVC backing coated with a bitumen rubber adhesive.

Typical Properties

PROPERTY TEST METHOD UNIT DATA
MECHANICAL
Backing Colours     Black
Backing Type     PVC
Backing Thickness DIN 30672 microns 750
Total Thickness DIN 30672 mm 1.65
Elongation BS 2782 % 250
Tape Strength BS 2782 N/cm 170
Modulus (50% ext.) BS 2782 N/cm 70
Adhesion (1800 Peel) To primed steel ASTM Dl000 N/cm 45
Adhesion (1800 Peel) To self ASTM Dl000 N/cm 40
Adhesion (Shear)   N/cm2 180
Impact Resistance DIN 30672 Nm 15
Penetration DIN 30672 N/cm2 10
ELECTRICAL
Dielectric Strength BS 2782 kV 38
Insulation Resistance BS 2782 MW 106
Cathodic Disbondment Resistance (max) ASTM G8 mm2 50
WATER
Water Vapour Permeability BS 2782 g/m2/24h 0.4
Water Absorption ASTM D570 % 0.1
GENERAL
Resistance to Bacterial Attack BGAM
9.2.6.13

=
Nil
growth
Drum Skin Test     Resists 2200C
for 10 mins.
APPLICATION
*Temperature Range Wrapping - 0C +5 to +220
Temperature Range/n Service - 0C -3Oto+100
Temperature Range Storage - 0C +20 to +50
*Maximum temperatures refer to short transient temperatures only

All test results are correct at time of publication.

 

All test results are correct at time of publication. All figures were indicative when data sheet went to press.

For more information please submit your questions using our inquiry form.

 

Pollycote, Politt and Pollatum are trademarks of Pollyaim Ltd.

©1997 Pollyaim Ltd. All rights reserved. Legal Notice