Fibreglass fibreglass cylinders of TSPV brand. They are made by radial winding on a mandrel of reinforcing filler made of glass roving and glass fabric impregnated with binder compound with subsequent curing at temperature (polymerisation).
They are used as a basis for winding of transformer windings or current limiting reactors. Long-term permissible operating temperature for TSPV is from -60?C to +180?C.
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