Designed for the manufacture of electric parts, for use outdoors under: standard rel. humidity at (15-35)°C, 45-75% and at a voltage of more than 1000 V; at a temperature of (40±2)°C, (93±2)%, at a voltage up to 1000 V and a frequency of 50 Hz. They are characterized by high mechanical strength at moderate temperature, high stability of electrical properties at high humidity. STEF-1 is characterized by a more homogeneous fine internal and surface structure

Designed for the manufacture of electric parts, for use outdoors under: standard rel. humidity at (15-35)°C, 45-75% and at a voltage of more than 1000 V; at a temperature of 40±2)°C, (93±2)%, at a voltage up to 1000 V and a frequency of 50 Hz. They are characterized by high mechanical strength at moderate temperature, high stability of electrical properties at high humidity.

Designed for the manufacture of electric parts, for use outdoors under: standard rel. humidity at (15-35)°C, 45-75% and at a voltage of more than 1000 V; at a temperature of (40±2)°C, (93±2)%, at a voltage up to 1000 V and a frequency of 50 Hz. They are characterized by high mechanical strength at moderate temperature, high stability of electrical properties at high humidity.

Designed for the manufacture of electric parts, for use outdoors under: standard rel. humidity at (15-35)°C, 45-75% and at a voltage of more than 1000 V; at a temperature of (40±2)°C, (93±2)%, at a voltage up to 1000 V and a frequency of 50 Hz. They are characterized by high mechanical strength at moderate temperature, high stability of electrical properties at high humidity, high heat resistance

It is used in electrical insulation systems and for the manufacture of electrical parts using all types of machining

For use as insulation in the manufacture of electrical machines; it is characterized by high heat resistance

Designed for the manufacture of electric parts, for use outdoors under: standard rel. humidity at (15-35)°C, 45-75% and at a voltage of more than 1000 V, a frequency of 50 Hz, increased humidity at a temperature of (40±2)°C, (93±2)%, at a voltage up to 1000 V and a frequency of 50 Hz. Reduced flammability

It is used as a structural and thermal insulation material

Semiconductor material for compaction of hydro generators static windings

Semiconductor material for sealing windings in the stator slots of high-voltage electrical machines

It is used for the manufacture of parts, intended for short staying at high temperatures. It has a high temperature resistance

It is used as a structural material with high moisture resistance and heat resistance