C3M
The C3 M coating, water soluble Polyester base equivalent to C3 of AISI, improves punchability up to three times as compared to uncoated electrical steel. It is resistant to normal operating temperatures & is highly corrosion resistant (C3 M coatings can be used as a corrosion undercoat for C6 coatings) but will not withstand stress-relieving annealing (SRA). It is suitable for applications where high level of inter laminar resistance is required like small and medium sized motors as well as small transformers.
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- 1 Colour deviation is possible without effect on coating properties.
- 2 Coating thickness is checked by Fischer Deltascope Coating Thickness Tester.
- 3 Stacking factor is checked in accordance, with IS 649: 1997.
- 4 Insulation resistivity is checked in accordance, with IS 649 : 1997.
- 5 X - Punchability of Bare Steel.