BA 4975 is a 50 gauge polyimide based product that is aluminized on one surface, coated with a corrosive resistant coating and reinforced on the other surface with a 116 glass fabric. BA 4975 is primarily used as an inner layer on an MLI blanket to resist tearing from handling or inner contact on the spacecraft bus itself. BA 4975 offers excellent physical, thermal, electrical and optical properties and complies with the requirements of ASTM D-5213.
TDS BA 4975
“THESE COMMODITIES ARE REGULATED UNDER EAR ECCN 1A003 AND CAN ONLY BE EXPORTED IN COMPLIANCE WITH THE US DEPARTMENT OF COMMERCE.”