Bulk Bags for sale – Polypropylene Bulk Bags for sale Manufacturer – Design and manufacturer of polypropylene ton bags – Polypropylene bags, poly bags, poly woven bags, woven poly bags, woven polypropylene bags, woven pp bags, wpp bags, pp bags. These are all recognised names for woven polypropylene bags which are commonly referred to as polypropylene bags. Sak ‘n Pak design and manufacture polypropylene wood bags for any customer.
Polypropylene bags are used for a wide variety of products in the mining, agricultural and industrial sectors. This includes products like:
- Wood bags
- Bulk bags
- FIBC bags
- Fire wood bags
- Maize meal bags
- Harvest bags
- Feed bags
- Fertilizer bags
- Fertilizer bulk bags
- Grain bags
- Salt bags
- Sugar bags
- Pre-mix bags
- Sand bags
- Lime and gypsum
- Chrome bulk bags
- Bean bags
- Samp bags
- Flour bags
- Yeast bags
- Spice bags
- Rice bags
- Brick covers
- Coal bags
- Seed bags
- Chemical bags
- Mineral bags
Sak ‘n Pak is a leading manufacturer of polypropylene bags in South Africa. We design and manufacture polypropylene bags to every customer’s specific needs. We offer a wide variety of polypropylene bags and bulk bags which includes the following:
- Standard polypropylene bags from 5 to 80 kg
- Laminated polypropylene bags from 5 to 80 kg
- Standard polypropylene bags with plastic liners
- 5,10 and 12.5 kg bags with punch out handles
- Clear woven polypropylene bags with punch out handle ( Wood )
- All bags can be printed in one to four colours
- Bulk bags from 500kg to 1.5Ton
The polypropylene bags manufacturing process consists of three basic steps.
Extrusion: Virgin polypropylene granules, calcium carbonate, ultra violet stabilizer and colour pigment being melted and converted into tapes in an extrusion plant. This is the first stage and determines the tensile strength of the tapes.
Weaving: The extruded tape bobbins are loaded on to a creel (warp tapes) and threaded through the headle wires of the circular loom. Weaving looms consists of 4, 6 and 8 shuttles which are loaded with bobbins (weft tapes). Here the tapes will be woven into fabric of a required GSM and size, and will be wound in roll form.
Converting: This consists of a cut, print and sew operation, which converts circular woven rolls into individual bags. Reel-to-reel printing is done on the fabric and converted into bags with automatic cut and single hem sewing lines. The wider bulk bag fabric is printed on an individual single pass flexographic printer and converted by manual sewing machines.
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