"NSN IS USED TO PURCHASE A MINIMUM OF 60 CONTAINERS AND UP;AL O 13TI O,CLAD;-30 +5 UM;RC 70 HARDNESS;TEXTURE/FINISH AS SPRAYED 120-180 BRUSHED OR TUMBLED 60-80,GROUND 10-20,LAPPED 1-3;COATING NUMBERS P130SF-10 AND P130SF-11;SUPERFINE ALUMINUM OXIDE-TITANIUM DIOXIDE COMPOSITE.COATINGS ARE HARDER,DENSER AND SMOOTHER AS-SPRAYED THAN COATINGS OF METCO 130.COATINGS ARE HEAT-RESISTANT UP TO ABOUT 1000DEG (F), AND RESIST MOST ACIDS AND ALKALIES.ESPECIALLY RECOMMENDED FOR PRINTING INK TRANSFER ROLLS AND TEXTILE PARTS CONTACTING FIBERS AND THREADS.HAS HIGH DIELECTRIC STRENGTH OF 300VOLTS/MIL (1180 VOLTS/O.1MM),IN COATINGS 0.003-0.004 INCH (0.07-0.1MM) THICK.HIGHER INSULATING VALUES OBTAINED FROM THICKER OR SEALED COATINGS.1020DEG (F) MAX SERVICE TEMPREATURE"