India Pack Team SF 8:1 FIBC Bags: Heavy-Duty Reusable Bulk Bags for Closed-Loop Operations Where 8:1 sits among FIBC duty classes Duty class Safety factor Intended service Structural repair Single-trip 5:1 One fill and one discharge. May be handled several times in transit but never refille... FIBC safety factors SF 8:1 FIBC bags heavy duty FIBC bags multi-trip bulk bags reusable FIBC bulk bags