Food Grade Block Bottom Valve Flour PP Bag

Advantage of Block Bottom Valve PP Flour Bag

1. High strength, because there is no stitching hole compared to the normal bag, the strength of top and bottom can achieve more than twice as strong as the body fabric. Highly reduced the breakage ratio.

2. No spillage, can avoid the spillage from very beginning. Compared to the normal bag with liner, the block bottom valve bag with lower cost, easy-filling and save material advantage.

3. Easy stack, the perfect brick shape of the bag, fits perfectly with palletizing or truck loading equipment. Due to its smooth and neat stacking, offer higher storage capacity.

4. Apply to mechanized production line

Technical of the AD*Star Block Bottom PP Woven Bag

1. Hot air Welding, no stitch, no hole, no adhesive. 

2. More Environmental protection.

3. Production capacity may get 1.5 million per week. 

Valve bags with block bottom or flat bottom also called paste bottom bags, is the most popular packing bag in the world now. Through automatic filling equipment, the goods come into the bag from the valve at the top or the bottom, become brick shape after filled.
Block bottom valve bags can be made of pp woven, pp woven compound with craft paper/ PE.

The Ad*Star Sack can be produced either as a one-layer block bottom valve bag (V-BB) or as an open mouth bag with a block bottom without valve (OM-BB) and with or without micro-perforations.

Fabric Construction - Circular PP Woven fabric (no seams) or Flat PP woven fabric (back seam bags)
Laminate Construction - PE coating or BOPP Film
Fabric Colors - White, Clear, Beige, Blue, Green, Red, Yellow or customized
Printing - Off-set print, Flexo print,  gravure print.
UV Stabilization - Available
Packing - 5,000 Bags per Pallet
Standard Features - No stitching, completely hot welding

Optional Features:

Printing                   Anti-slip Embossing            Micropore

Valve extendable    Kraft paper combinable     Top opened or valved

Sizes Range: 

Width: 350mm to 600mm

Length: 410mm to 910mm

Block width: 80-180mm

Weave: 6x6, 8x8, 10x10, 12x12, 14x14

Application:

1. Pet food   2. Stock feed    3. Animal Nutrition     4. Grass seed      5. Grain/Rice        6. Fertilizer     7. Chemical        8. Building material      9. Minerals

Our company 

Boda is one of China’s top packaging producers of specialty Polypropylene Woven Bags. With world-leading quality as our benchmark, our 100% virgin raw material, top-grade equipment, advanced management, and dedicated team allow us to supply superior bags all over the world.

Our company covers an area totally of 160,000 square meters and there are more than 900 employees. We possess a series of advanced Starlinger equipment including extruding, weaving, coating, laminating and bag produce. What’s more, we are the first manufacturer in domestic that imports the AD* STAR equipment in the year 2009 for Block Bottom Valve Bag Production.

Certification: ISO9001, SGS, FDA, RoHS