ELECTRICAL INSULATING FOIL MATERIAL OF STANDARDISED FLAMMABILITY FOR PRINTED CIRCUIT BOARDS ON THE BASIS OF GLASS FABRIC IMPREGN

Steklotekstolit foiled STF EM-5 of quality category "VP" according to GOST RV 5999-001 of standardised flammability (class 0 according to GOST 26246) is intended for manufacturing of printed circuit boards of 5th and higher accuracy classes according to GOST RV 5998-002 and GOST R 53429, used for production of military and dual-use products. Glass-textolite is identical to FR-4 according to IPC 4101E/24/124/129 with glass transition temperature of insulating base 175±5º? according to DSC method. The material is UV resistant and compatible with lead-free soldering processes.
The maximum permissible operating temperature is from minus 60 ºC to plus 155 ºC.
Example of conventional designation of glass-textolite foiled double-sided STF EM-5 with nominal value of insulation layer thickness 0,15 mm, copper foil thickness 35 microns: ????-0,15-35-??-5 ??22.21.42-014-96330920-2019

These products are categorised under OCPD2 codes 26.11; 26.12; 22.21.
These products are categorised under EKPS 5970; 5998; Group 93.

Thickness of foil foilised sheet...