Dry PP Bulk Container Liner Bag for 20FT Container Powder Seed Grain Rice Sugar Sand

 Product Nam

Product Specification

Product feature and Application

Our big bags, comply in a wide range of filling, discharging and handling options, customized to fulfill the user’s specific require. With over 15 years of experience in manufacturing bags, our professional staff is available to assist you with any design features.

This style bag will help to keep the bag shape and not enlarge too much after filled with goods. Also, it can prevent powder leakage as there’s no stitches on bag body. The tubular big bag with strength area on bag body for sewing cross corner lifting loops. Various colors can be provided: White, Beige, Black, Green, Blue etc and it refers to user’s specific requirements.

Due to easy using and cost effectiveness, the usage has grown dramatically over the years. Normally these bags are used for packaging powder material such as Flour, Starch, Fertilizer, or Chemical materials.

Production Process

● Pure Raw materials (polypropylene, ultraviolet additives etc.), which have been passed quality control tests and suitable for production, are put in the mixer.

● Polypropylene and additive materials, which are mixed and extruded into suitable fiber thread by draw bench machine.

● The yarns, which fulfill the quality and strength testing, are wound on the bobbins and directly to the weaving machine for weaving fabric

● The fabrics, which are in qualified with the standards are placed on the lamination machine depending on client’s requirement.

● After lamination, the fabrics are cut into desired sizes and dimensions before sewing process. Then printing will be done and ready for sewing. Bags sewing according to customer’s detailed technique require.

● QA and QC inspection and testing the SWL weight at suitable safety factor.

● The prepared bags are packaged according to the demands of customers and get ready for delivery.

We provide OEM and ODM services and all our management strictly under the standard of ISO9001-2008. Excellence is our Standard and Perfection is our goal.

FAQ:

1. What is the difference between Circular and U-panel big bags?

Circular bags are made from tubular shape fabric that weaved on a circular loom. Then the fabric is cut into the correct height according to bag size. U-panel bags are made from one flat U-panel fabric and 2 sides panel sewing together.

2. Are these bags water-tight or water proof?

No, as the fabric is made from pp woven material, which is not water proof. Users usually take a coating or lamination as a moisture barrier, by moisture barrier we mean a light amount of water. Lamination can take some help for water proof, however the use of an internal liner works much better. And technically it is still not 100% water proof. And pp bulk bag with liquid liner is the best choice to pack liquid material.

3. What does FIBC stand for?

FIBC stands for Flexible Intermediate Bulk Container.

4. Can we reuse a big bag?

Yes, this bag can be reused but requires a muti-trip design bag. This type of bag is designed to be used for a specific require for reuse. Standard big bag normally designs at 5:1 safety factor for single use. It’s strongly not recommended to reuse the standard big bag as it may cause danger.

5. Are your packaging bags recyclable?

Yes, All of our bags are made from 100% virgin polypropylene and surely recyclable.

6. What does SWL mean?

SWL shorts for Safety Working Loading.

Professional PP woven big bag and packaging solution Supplier. Highest Quality Materials, 100% recyclable and competitive price. We provide professional one-stop service from Design, Produce, Shipping and after service. After over 15 years experience, we have gained great honor and reputation from our clients over 30 countries.

CONTACT  US:

Mr.Daniel

Mobile Phone:+86-13802155833

WeChat:+86-13802155833

WhatsApp:+86-13802155833

E-mail:  tjwoking@163.com

SpecificationA user in need of a pp woven big bag should consider the following features before deciding:

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Bag Usage Grade: Different products with different requirement

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Safety loading weight: 50kgs to 3000kgs

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Fabric: Color, Weight per square meter, Coated or not

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Lifting Options: Cross corner, side seam, fully bottom lifting straps

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Filling Options: Top full open, filling spout, duffle skirt

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Discharge Options: Bottom flat, discharge spout

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Construction Type: Tubular, U-panel, 4 Panel, Baffle type

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Liners: Available for tubular shape, Bottle shape, baffle liner, Aluminum liner

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Document pocket: A4 size sewing on top edge of bag body.

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Label: The Using instructions of pp woven bags on labels.

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Printing: Maximum 4 sides and 3-color Available

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Sewing Options: Standard sewing, Chain stitch, Lock stitch;

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Production Process

These woven bags are widely used in Chemicals, construction materials, plastic raw materials, Mineral products, Firewood,and other types of powder, granules, etc. And the production process will be as following:

PP Raw material - Draw bench fiber - Weaving fabric on Loom machine - Cutting fabric for woven big bag -Sewing big bags - Dust-proof treatment - QA & QC inspection - Packaging for woven big bag

It should also do some needful Testings in the process of bag production and detailed as following:

1. Silk strength testing: It tested after draw benched out the pp fiber silk. It’s the basic step to  weaving out the high quality fabric.

2. Fabric strength testing: Normally it should test both the warp and weft strength of the fabric according to ISO21898-2005 Standard.

3. Lifting loops strength testing: In order to stand for the loading weight, the lifting loops should be at high strength. It should be tested before sewing on bags.

4. PP woven bag loading weight and safety factor testing: After sewing out the sample before mass production, we will test the loading weight and safety factor of the big bag. The mass production can be processed after this testing passed.

Company Information:

Our core management team and production technical-team of the company has more than 15 years of experience in field production confidence and self respect. We produce the suitable customer’s personalized bags according to their requirement.

We provide OEM and ODM services and all our management strictly under the certificate of ISO9001. Our products have approved by certificates for mostly of the countries.

Find your packaging solution here with a wide selection of packaging bags in a variety of styles and sizes. All of our bags are specially manufactured with strength straps and fabric for safe handling. Big bag for sands mainly used to carry sands, cements, gravels and stones as construction materials. And the loading capacity from 1000 to 3000 kg. These bags filled with sand also used for flood block and bridge pre-loading.