Raw materials are procured from approved vendors. Testing on raw material starts from vendor's end. The raw material is
received along with the vendor's test report. The following tests conducted to test the raw material/verify the vendor's test
report.
1.Conductor
Tests are conducted on conductor
are as per IS: 8130:1984. Apart from these tests, if customers required other test requirements. Those tests are also conducted.
i) Conductor Resistance : 100% with the help of Kelvin Double Bridge for wire up to 0.4mm Diameter.
Finer wires by sampling of 10% on lot basis.
ii) Conductor Elongation : 100% on Tensile Testing
machine for wires up to 0.4mm Diameter. Finer wires by sampling of 10% on lot basis.
iii) Solder Bath/Persulphate
: 100% for wires up to 0.4mm. Diameter Finer wires by sampling of (For Tinned conductors only) 10% on lot basis.
iv) Wrapping Test : 100% Wrapping is done manually. (For Aluminum Conductor Only)
v)
Tensile Strength: 100% with the Tensile Strength on Tensile Testing Machine. (For Aluminum Only)
2. P.V.C. COMPOUND/ POLYETHYLENE/POLYMERSTests are conducted on PVC Compound/Polyethylene/Polymers
are as per relevant Specification. Those tests are also conducted. Sample of every consignment is first run on Trial basis
and following tests are conducted: -
i) Insulation Resistance: With Mega Ohms Meter.
ii) Elongation: With
Tensile Testing Machine.
iii) Tensile Strength: With Tensile Testing Machine.
iv)
Spark Testing: With on line spark testers.
v) High Voltage Test: With High Voltage Tester.
vi) Thermal Stability Test: With Oven & PH Paper.
vii) Oxygen & Temperature
Index: With Oxygen Test Apparatus.
[For FRLS PVC/FRHF Compound]
viii)
Smoke Density Test: With smoke Density Test Apparatus.
[For FRLS PVC/FRHF Compound]
ix) HCL Gas Generation Test: With HCL Gas Emission Test Apparatus.
[For FRLS PVC/FRHF
Compound]
x) Swedish Chimney Test: With Swedish Chimney Test Apparatus.
[For
FRLS PVC/FRHF Compound]
The Following TYPE TESTS are conducted on month basis :-
i) Bleeding & Blooming: With Bleeding & Blooming tape and HST Oven.
ii)
Ageing: With Ageing Oven.
iii) Hot Deformation: With Hot Deformation Apparatus.
iv) Loss of Mass: With Electronic Balance & Additional Ageing Oven with Air Flow.
3. STEEL STRIP/WIREWe procure ISI marked G.I. wire & Strips. However the following
Tests are conducted as per IS:3975:-
i) Dimensions: 100% with Micrometer and Vernier Calipers.
ii) Tensile Strength:
100% with Tensile Testing Machine.
iii) Dip Test: with Dip Tester.
4. POLY ALUMINIUM LAMINATE
i) Peel
Strength: From Tensile Machine.
ii) Dimensions: 100% with Micrometer and Vernier Calipers.