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FILAMAR ESV ITK/OTK

Product Description

FILAMAR ESV ITK/OTK is a two component, chrome based coating, C-5 class (ASTM 976) and withstands SRA (Stress Relieving Annealing) treatment at 815°C. It is typically a combination of chromate and inorganic pigments (ITK) along with acrylic resin (OTK).

Application Range

  • FILAMAR ESV ITK/OTK is suitable for coating thickness of 1.0-1.5 microns.

  • It is designed for applications in both high as well as low line speed coating systems.

  • Due to very good adhesion of the annealed layer at low coating thickness, FILAMAR ESV ITK/OTK is well suited for aluminum casting, welding and annealing.

Processing

Curing

FILAMAR ESV ITK/OTK is hot curing. Optimum curing temperature depends upon the dwell time in the furnace and must be determined for each oven separately.

For FILAMAR ESV ITK/OTK, cure pattern is a strip temperature (PMT) of 350 °C for dwell time of 20 sec. inside the curing furnace. This can however, be altered as per customer demands.

Coating Properties

Following properties are for a typical 1 micron coating thickness.

FILAMAR ESV ITK/OTK (C-5)
Sr. No. DESCRIPTION TYPICAL PROPERTIES
1 Coating Appearance Greenish
2 Insulation Resistance (For 1 micron lamination) >8 Ohm.cm2/lam
3 Punchability 2-3 times Bright Steel
4 Weldability Good, Non-Porous
5 Stress Relieving Annealing (SRA) 815°C


 
 
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