... ,freezer, show case, water coolers,compressor units R134a refrigerator wire tube condensr , for refrigerator, freezer, ice box, water dispenser, ice maker ... machine...... Specifications: 1) Raw material: a) Rolling welded steel tube: 4.76 ,6.00, 6.35,8.00,9.52 x ... system tube inside standard:1) Residual moisture: ≤20mg/m²2) Residual dusty: ≤30mg/m²3) Residual mineral oil: ≤7mg/m²4) Residual ...