Siliconised Polyester Film comes with high release property. 3 A Associate Incorporated is an ISO 9001-2008 awarded company that manufactures Siliconised Polyester Film. 3 A Associate Incorporated also manufactures a wide variety of electrical insulation materials. Siliconised Polyester Film is used as mould release tape during moulding of class `F` High - Voltage coils. It is available with 50% elongation.