AVAILABLE in all sizes 2.50mm, 3.15mm, 4.00mm, 5.00mm and 6.30mm with suitable high grade pure flux used for SAW pipe welding and all other heart structural steel fabrication and steel welding. Moisture-proof air-tight packed in 25kg coils or 25kg plastic spool or 100kg up to 500kg bigger size spool/drum packing for extensive use and for exports.