42.5kg 50kg Ad Star block bottom cement pp valve bags

Short Description:

PP valve bags weigh less than traditional paper bags, which reduces freight costs
PP valve bags consume less space and will fit more unfilled bags on a truck, which increases storage space in warehouse

PP valve bags coated or laminated are resistant to moisture

Free samples available
Accept trial order under MOQ

Product Detail

Product Tags


Block Bottom Valve Bag

Valve bag is a new and advanced type in packing industry. It commonly used on automated packing lines where filling efficiency is essential and the speed of filling and closing open mouth bags can be accommodated.

Widely used in cement, flour, food ingredients, medicine ingredients, chemical materials, plastic resin, animal feeds… powdery and granular material.

1. 100% Virgin PP

2. AD-STARKON Newest Technical, advanced Hot Air Welding.No stitch holes, no leakage.

3. Outstanding tensile strength, puncture and tear resistance and durability.

4. Available in a wide range of proportional sizes.

5. Stack automatically with perfect shape

6. More healthy & environment protection

7. More popular in the auto-filling sectors.



Products Name Custom wholesale 25kg 40kg 50kg empty PP woven cement packaging bag
Materials 100% virgin new polypropylene PP PE granules , Sinopec
Size 50*62*12cm or other options
Valve size 15cm or other options
Woven Fabric 10 X 10mesh , customized color , laminated 80-94gsm
Inner Bag Kraft paper , PE plastic
UV Content 0%-3%
Ventilation Property 30nm3/h-170nm3/h

As customer’s filling machines and stuff products

Net Weight 25kg, 40kg, 50kg
Bag Weight 50g/pc-150g/pc
Testing drop test (1m height), breaking strength,


As customized , offset printing , flexible printing, laminated OPP gravure printing
Equipments Austria AD*star-kon+ , five sets totally
Technology Hot air welding
Top Vale spout, self-closed mouth
Bottom Square (block ), welding sticker
 Surface diamond shape embossing, anti-skidding, easy to stow and transport.  Andvery artistic.
Usage /application Flowing powder , cement , fertilizer , chemicals , flour , monosodium glutamate, putty , try adhesive…all kinds of free-flowing goods.
Packing 500pcs per bale ; 5000pcs per wooden pallet ; 4500pcs per cases ; 6000pcs per double planks(more dangerous when loading )
Production time Short delivery time , 25-30 days for the first container , then one container per week after prepayment ; according customized
Features Moisture proof , automatic filling , self-closed mouth


– High-quality, 100% virgin PP material, 3 times inside inspection per step before next processing.

– Advanced equipment: Starlinger is the top brand equipment manufacturer of pp woven bags.

– Professional: With three generations of engagement in this industry, Rich experience, ingenuity, always pay attention to the development of the industry, which made us have a wealth of professional knowledge and solutions.

– Passion: Things will be different and meaningful because of passion, the great love for this industry, has kept us on the right path and headed on.

– Empathy: To know what our client’s concern about, to do what we can with what we have to support.


Disclaimer: The intellectual property shown on the listed product(s) belongs to third parties. These products are only offered as examples of our production capabilities, and not for sale.

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