Medium Wall Semi-Rigid Tubing, Adhesive Coated. Rated to 600V

The Innovative Power Products MWAT series medium wall tubing is a heatshrinkable, adhesive coated semirigid tubing for general purpose use. MWAT can be used to splice, insulate and jacket 600 volt cables or wire bundles. It is an excellent choice for strain relieving cable assemblies and for corrosion protection. MWAT tubing is recommended for all 600 volt splicing except direct buried applications.

MWAT is precoated with a hot melt thermoplastic adhesive that melts and flows under the heat and pressure of the shrinking tube. MWAT’s adhesive provides an excellent moisture seal. It adheres to most synthetic materials, including PVC, PE, XLPE, EPR, neoprene, and most metals.

MWAT’s high expansion ratio provides a wide application range, so a minimum number of tubes cover a wide range of cables, cable bundles and connector diameters.

MWAT is very abrasion and chemical resistant and can be used to protect metal, plastic, wood or fiberglass surfaces.

Physical Properties
Test Method
Value (nom.)
ASTM D-1505
0.93 g/cm3
Tensile Strength
ASTM D-412
14 N/mm2
Ultimate Elongation
ASTM D-412
350 %
Water Absorbtion
ASTM D-570
Electrical Properties
Test Method
Value (nom.)
Dielectric Constant
ASTM D-150
Electric Strength
14 kV/mm
Volume Resistivity
1x 1014 ohm-cm
Adhesive Properties
Softening Temp.
ASTM D-2671
103-120 °C

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  • MWAT: PTR 306-1 Price List PL-315

    • Abrasion and chemical resistant
    • Seals and protects cable splices and terminations
    • RUS accepted for use as restoration of JCN cable jacket
    • Continuous operating temperature: -55˚C to 110˚C

  • Find the diameter required for the application. Always select the largest tube that shrinks to the smallest diameter for greatest wall thickness. Determine the tubing length as follows: Tubing length = [Connector length + seal lengths] + 10% The recommended sealing lengths are: MWAT 12/3 through 40/12 = 3” and MWAT 50/16 through 75/22 = 6”

Medium Wall
Catalog #
600 Volt Cable nom. AWG/kcmil Inside Diameter Standard Lenghts
As Supplied
After Recovery (d) Cut length is ± 2% as supplied
MWAT 9/3 #14 - #10 0.35 (9 mm) 0.118 (3mm) 6(150mm), 9(225mm), 12(300mm), 48(1220mm)
MWAT 12/3 #10 - #6 0.47(12mm) 0.118(3mm) 6(150mm), 9(225mm), 12(300mm), 48(1220mm)
MWAT 20/6 #6 - #2 0.78(20mm) 0.236(6mm) 6(150mm), 9(225mm), 12(300mm), 48(1220mm)
MWAT 30/8 #2 - 4/0 1.18(30mm) 0.315(8mm) 6(150mm), 9(225mm), 12(300mm), 48(1220mm)
MWAT 40/12 1/0 - 350 1.57(40mm) 0.473(12mm) 6(150mm), 9(225mm), 12(300mm), 48(1220mm)
MWAT 50/16 350 - 500 2.05(50mm) 0.620(16mm) 6(150mm), 9(225mm), 12(300mm), 48(1220mm)
MWAT 78/22 600 - 1500 3.05(78mm) 0.870(22mm) 48(1220mm), 60(1500mm)
MWAT 95/30 600 - 1500 3.74(95mm) 1.180(30mm) 48(1220mm), 60(1500mm)
MWAT 115/34 800 - 1750 4.53(115mm) 1.339(34mm) 48(1220mm), 60(1500mm)
MWAT 140/42 1000 - 2500 5.51(140mm) 1.650(42mm) 48(1220mm), 60(1500mm)