ROHS Approved

THEIC Modified Polyesterimide Wire Enamels (BAWAMID 508)

BAWAMID 508 is class 180 THEIC modified polyesterimide wire enamel with temperature index 200.
BAWAMID 508 provides improved flexibility & adherence to copper.
BAWAMID 508 gives excellent resistance to refrigerants hermetic motors.
BAWAMID 508 can be used as base coat for manufacturing dual coating wires with Polyamide-Imide.
BAWAMID 508 suitable for high speed enamelling machines up to 200VD.

PHYSICAL PROPERTIES
Appearance	Clear Liquid
Solid Content 1g/180⁰C/1h	36 ± 1%	40 ± 1%	45 ± 1%
Size mm	0.05 to 0.500	0.5 to 2.0	1.6 to 5.0
* Viscosity	40 -50	70-100	100-120
** Viscosity	300 - 400	650 - 1000	1500 -2000
PROPOSED Machine	horizontal machine for felt	horizontal vertical plant for die	vertical plant for die
Flash Point	40⁰C
Compatibility with thinner	1 : 1

* Viscosity by Din Cup 4 at 25°C in sec.
** Viscosity by Viscometer at 30°cps

THERMAL PROPERTIES
Heat Shock 2d/200 ⁰C/ 30min	OK
Cut Through 340⁰C / 2min	OK

ELECTRICAL PROPERTIES
Break Down Voltage kV	at RT	10.0

MECHANICAL PROPERTIES
Diameter of Bare wire	1.0 mm
Build up of enamel	0.070 mm
Elongation	36%
Flexibility Mandrel Winding (15% pre stretch 1xd)	OK
Jerk Test	OK
Peel Test (nXd)	160 - 180
Abrasion (Av) (Unidirectional)	14N

CHEMICAL PROPERTIES
Solvent Resistance
Pencil Hardness
Initial	3h
Std. Solvent	2h

Tan Delta
Bending Point ^oC(Solid Block)	195-210

Please note that all above mentioned values may be changed according to the machine.

RECOMMENDED THINNER		Thinner PW/E
PACKING :	BAWAMID 508 Thinner PW/E	210 Kg in mild steel drums. 21 Kg in mild steel drums.
SHELF LIFE	One year from date of manufacturing if stored in sealed container (at room temperature 25⁰C).

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This information contained here is best to our knowledge. Company makes no warranty of results and assurance, no obligations or liabilities for the use of any products or process therin. This publication is not to be taken as a license to operate under or recommendation to infringe upon any patents.

PRODUCT RANGE
Wire Enamels		Impregnating Resins	Insulating Varnishes