polyethylene butyl rubber tape

Specifications

Butyl rubber tape is used for steel pipeline.this tape consist of two layers,butyl rubber adhesive layer and the PE film backing

The prefabricated polyolefin tape coating system shall have at least thress layers consisting of the following:

 

1. A liquid adhesive primer layer

2.An inner-layer tape for corrosion protection  it is polyethylene butyl rubber tape

3.An outer-layer tape for mechanical protection, it is  polyethylene butyl rubber tape

 

The primer shall be liquid adhesive,the inner-layer tape and outer-layer tape shall be laminated polyethylene (low-density) ,backed self adhesive,rubberized,bitumastic compund tape, and made of prefabricated tapes in rolls.

 

The Inner tape and outer tape is butyl rubber tape. It consist of  two layers,butyl rubber adhesive layer and the special blend of stabilized polyethylene film backing layer.

 

Thickness shall be a minimum of 0.30 mm.

 

Characteristics of tape:

 

Width deviation:5% of width

Elongation:300%

Tensile strength:7N/mm2

Tear reistance:8 kg/ cm

Dielectric strength:40 KVolt/ mm

Insulation reistance"1 X 10 12 ohm/mm

Impace resistance 6 J

Adhesion to steel with primer:3.0 N/ mm