FUSIN BONED EPOXY COATED PIPE PROCES 1. Incoming -> 2. Preheating : above the dew point -> 3. Shot & Grit blasting -> 4. Cleanliness Grade(SA 2 1/2") check with pictorial book after blasting -> 5. -> 6. -> 7. Heating by gas-fired heating furnance -> 8.The temperatur of heated pipe check with digital thermometer -> 9.Electrostatic epoxy powder spray coating -> 10. Water quenching -> 11. On-line coating thickness check -> 12. On-line pinhole test (3,000 V)