How to produce a Block Bottom Valve Bag by AD* STARKON machine

Extruding PP thread/tape

Weaving pp tapes to tubular fabric

Coating or Laminating

Printing the body

Ad*Star Machine plays its roll

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: 6×6, 8×8, 10×10, 12×12, 14×14

Application:

1. Pet food 2. Stock feed 3. Animal Nutrition4. Grass seed 5. Grain/Rice6. 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 500,000 square meters and there are more than 300 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

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