Semi-conductive Buffering Water Blocking Tape

Application：Semi-conductive buffering water blocking tape is used for waterblocking, buffering and shielding under metallic jacket of power cable and crosslinked cable. It has no causticity.

Technical Properties:

Property

Unit

Specification

Thickness

mm

1.5±0.6

2.0±0.6

Unit Weight

g/m²

240±40

280±40

Tensile Strength

N/mm

≥40

≥40

Elongation

%

≥12

≥12

Swelling Speed

mm/1st min

≥8

≥8

Swelling Height

mm/3min

≥12

≥12

Surface Resistance

Ω

<1500

<1500

Volume Resistance

Ω·cm

<1×10⁶

<1×10⁶

Short Term Stability

℃

230

230

Long Term Stability

℃

90

90

Moisture Content

%

≤9

≤9