PERMABLOK™ Water Blocking Products



Typical Applications:

Primarily used to block the longitudinal flow of moisture in a cable. Water blocking shielding tapes offer the additional benefit of RF/EMI shielding. Click here to view a white paper on characterizing and selecting superabsorbant cable components.

Construction

Features/Benefits

Click on the links below for pdf copies of select data sheets:

Product #
Construction
Description
0.00150" (38µ) water swellable coating
0.00035" (9µ) aluminum foil
0.00090" (23µ) polyester film
0.00035" (9µ) aluminum foil		Three-ply shielding tape frequently used as the non-fusible outer shield in quad-shielded CATV cable.
0.00240" (61µ) water swellable coating
0.00092" (23µ) polyester film
0.00035" (9µ) aluminum foil		Heavy coated single sided water blocking laminate typically used as an outer tape shield CATV burial cable and coaxial communications drop cables.
0.00035" (9µ) aluminum foil
0.00092" (23µ) polyester film
0.00035" (9µ) aluminum foil
0.00150" (38µ) water swellable coating		Single-sided water blocking shielding laminate, typically used as an outer tape shield in CATV burial cable and coaxial communications drop cables.

0.00150" (38µ) water swellable coating
0.00035" (9µ) aluminum foil
0.00092" (23µ) polyester film
0.00035" (9µ) aluminum foil
0.00150" (38µ) water swellable coating		Two sided water blocking high tensile strength shielding laminate, typically used as an outer tape shield in CATV burial cable and coaxial communications drop cables.

0.00240" (61µ) water swellable coating
0.00035" (9µ) aluminum foil
0.00092" (23µ) polyester film
0.00035" (9µ) aluminum foil
0.00240" (61µ) water swellable coating		Same as above, but with heavier coating.
0.00020" (5µ) PVC heat seal coating
0.00092" (23µ) polyester film
0.00100" (25µ) aluminum foil
0.00150" (38µ) water swellable coating		Fusible, water blocking two ply tape typically used as an outer shield in tri-shield (tape/braid/tape) cable constructions.
0.00048" (12µ) polyester film
0.00035" (9µ) aluminum foil
0.00150" (38µ) water swellable coating		General purpose water blocking shield tapes which typically perform as an overall or individual pair shield in electronic cables.
0.00092" (23µ) polyester film
0.00100" (25µ) aluminum foil
0.00150" (38µ) water swellable coating		Same as above

0.00035" (9µ) aluminum foil
0.00092" (23µ) polyester film
0.00150" (38µ) water swellable coating		Same as above

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