ASTM D178 Matting 50kV Tested 33-36kV Working Voltage Type 2 Class 4 Mats

Insulating Matting ATSM D178Insulating Matting

ASTM D178 Electrical Safety Rubber Matting

Tested Voltage 50kV

Working Voltage 33/36kV

SM556-04 Electro Safe

Electrical switchgear rubber matting fully tested to ASTM D178 / ANSI JS.7 Type 2 ClassASTM D176 Matting Switchgear Switchboard 4 standards including full testing over the entire mat surface and stamped on the reverse every 100cm with identification coding.

SM556-04 electrical insulating matting is installed in 11kV high voltage switchrooms and substations to prevent against electric shock.

High voltage switchgear matting can be supplied in standard roll lengths or cut to suit substation or switchroom floor requirements in accordance with ASTM specifications.

ASTM Standards - Standard Specification for Rubber Insulating MattingASTM D178 Insulating Matting

ASTM D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies

An extremely high specification, high quality, high voltage electrical safety insulating matting to withstand the following :

  • Electrical Rubber HV Matting - Dielectric Test to 50kV
  • Electrical Rubber HV Matting - Surface Proof Test to 40kV
  • Electrical Rubber HV Matting - Working Voltage 33/36kV

ASTM Electrical Matting Stock Sizes (12.7mm Thick)

  • ASTM Matting - HV Electrical Matting 10m x 0.91m rolls ex stock

Fine Ribbed Rubber Matting to ASTM D178 Type 2 Class 4 

Insulating Matting

  • Working Voltage Test 33/36kV
33/36kV Insulating Matting



Roll Size

10m x 0.91m


kgs Approx





12.7mm Ex Stock  16.51 50kV 33/36kV


SM556-04 Electrical Insulating Matting Specification

  • Colour : Black
  • Hardness : 65 shore A
  • Density (SG) : 1.3
  • Tensile Strength : 5.0Mpa
  • Elongation : 250%
  • Temperature Range : -20/+70 Degrees Celsius
  • Abrasion Resistance : 180mm3

33/36kV Working / 50kV Tested Voltage - Insulating Matting Details

  • Application: Insulating Matting for Substations/Switchgear/Electrical Safety
  • Thickness: 12.7mm
  • Resistance to: Please call T&D
  • Colour: Black
  • Insert Requirements: No
  • Solid: Yes
  • Drainage Holes: No

T&D distribute LV, MV & HV insulating matting and electrical safety equipment for use in substations, switchrooms, overhead line and underground cable installations including 6.6kV, 11kV, 33kV and 66kV-132kV voltages.

Catu Electrical
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ASTM D178 Matting 50kV Tested 33-36kV Working Voltage Type 2 Class 4 Mats