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.
Buying Guides
Liner choice follows the product: moisture sensitivity, dust, oil or fat content and fill temperature set the film type, thickness, fit and closure. The liner is the part of the FIBC that most often decides whether a load arrives in specification.
Buying Guides
A 5:1 bag is designed for one fill, one lift and one discharge; a 6:1 bag is designed to be lifted again. The ratio fixes the proof load and, at 6:1, adds cyclic and stacking tests — it is a design type, not a durability score.