What is the difference between Circular and Upanel bulk bags?
Circular bags are made from fabric that has been woven on a circular loom. The fabric is woven into a continuous tube of fabric. The bag is then cut to the correct size height. Click Here for an illustration of Upanel. Click here for an illustration of Circular (tubular). Click here for a video of a circular loom. • Q: What does SWL mean? Safe Working Load. A bulk bag’s safe working load is the amount of weight that the bag is rated and tested to hold safely. • Q: What does 5:1 SF mean? A standard bulk bag is rated at a 5:1 Safety Ratio, which means that the bag is specified to hold 5 times the amount of the bags safe working load. A 5:1 Safety Ratio is for single use or single trip bags. Bags that are designed for multi-use or multi-trip bags, are made with an increased SF ratio. The SF for a multi-trip bag is 6:1. • Q: Are bulk bags recyclable? Yes, new bulk bags are made from 100% virgin polypropylene. • Q: What is a duffel top? A duffel top is typically a 30″ high “skirt” sewn to t
