Cast Transformer insulation material MGM is made of two layers of pet film and one lay fiberglass cloth flexible composite material   The thermal class of  Cast Transformer insulation material MGM: Class F(155 degree)   The available of Cast Transformer insulation material MGM :- roll form    

Property	Unit	Value
Nominal thickness	mm	0.15 ±0.02	0.17 ±0.02		0.20 ±0.03	0.25 ±0.03
Surface density	g/m2	194		221	315	354
Tensile strength, min: - longitudinal - transversal	N/cm	140 100
Elongation at break, min: - longitudinal - transversal	%	3 2
Breakdown voltage, min: - unfolded - folded	kv	10 7