Services

The testing laboratory provides testing services on products within the accreditation scope according to the quoted standards and issues a protocol with brands of the accreditation bodies.

А. Products tested within the accreditation range

2. Cables and conductors with rubber insulation

3. Power cables with extruded insulation up to 20/36
kV

4. Power cables with extruded insulation up to 64/110
kV

5. Communication cables with plastic insulation

   PVC insulated cables

   PE insulated cables

6. Bare conductors for aerial electrical lines

7. Current carrying Al and Cu cores for cables and conductors

B. Testing methods within the accreditation scope

Operating Quality Procedure (OQP) in accordance with internal reference number

RPK 001 – Radial thickness of the insulation / sheathing

RPK 002 – Construction sizes by elements, diameter over the insulation, outer sizes and oval shape

RPK 003 – Mechanical characteristics of the insulation / sheathing before and after aging

RPK 004 – Loss of mass of the insulation / sheathing

RPK 005 – Thermal deformation of the insulation / sheathing

RPK 006 – Resistance to coldness of the insulation / sheathing

RPK 007 – Crack resistance of the insulation / sheathing

RPK 008 – Thermal stability of the insulation / sheathing

RPK 009 – Electrical resistance of the current carrying core, metal screen and armour

RPK 010 – Resistance of the cables or/and the insulated phases to AC in water and in the air

RPK 011 - Electrical resistance of the insulation or/and sheathing

RPK 012 – Compatibility of the cable components during thermal aging

RPK 013 – Thermal elongation of the insulation / sheathing

RPK 014 – Resistance of the sheathing to mineral lubricant by increased temperature

RPK 015 – Shrinkage of the insulation / sheathing during increased temperature

RPK 016 – Surface resistance of the sheathing

RPK 017 – Water absorption of PVC insulation

RPK 018 – Testing of longitudinal water blocking

RPK 019 – Defining the factor of protective action

RPK 020 – Defining the voluminous electrical resistance of the semi conductive screens

RPK 021 – Testing the insulation screen for rip off

RPK 022 – Mechanical indexes of the current carrying core

RPK 023 – Defining the mass of the current carrying core

RPK 024 – Testing of heating cycles

RPK 025 – Bending test

C. Testing of products out of the accreditation scope.
On customers demand the testing laboratory in Elkabel JSC can perform tests on products out of the accreditation scope but according to standardized methods in case of available equipment.
For enquiries:
            е mail: labtest@elkabel.bg
            Tel.: 056 / 879 379
            Fax: 056 / 813 663