QINFENG Custom FIBC manufacturer since 2001
Knowledge Types
Knowledge articles grouped by knowledge type, so everything written in the same form is listed together instead of being scattered across the site.
Technical Guides
GSM is the mass of the woven polypropylene fabric and tracks the strength of the bag body; coating is a separate polymer layer that closes the gaps between tapes. Read the two as separate numbers, because coating weight is where quotes at the same nominal GSM actually differ.
Technical Guides
A food-grade FIBC is one built on a controlled route: virgin resin with no regrind, a segregated liner and sewing process, and a documented chain of custody. The grade belongs to the production method, not to the bag's label.