High Quality 20KG 25KG 50KG BOPP Laminated Cement Bag Block Bottom Valve Bags
Gachn group Block bottom valve bag(adstar bag) is a new-type of packaging bag, widely used in packaging cement, flour, fertilizer, building materials , etc . Compared with the traditional cement bag and kraft paper cement bag, it is very economical and convenient, as well as big production capacity .
PP valve woven bags are designed for quick de-aeration and high filling speed.The valve can either be self-closing by the pressure of the product, It is more advanced than tubular bags
Product name :
High quality 20kg 25kg 50kg BOPP laminated cement bag block bottom valve bagsProduct Origin :
CHINAIndustrial Use :
CementBag Type :
Square Bottom BagFeature :
Moisture ProofPlastic Type :
BOPPSurface Handling :
Laminated & Multi-color PrintMaterial Structure :
PP Fabric & PE LaminationPrinting :
Multi-color PrintingAdvantage :
waterproof, moisture proofHigh quality 20kg 25kg 50kg BOPP laminated cement bag block bottom valve bags
| Item | Woven Valve Empty Cement Bag PP Valve Bag 25 KG 40 KG 50 KG Chemicals Packaging Bag |
| Material | 100% new pp material,kraft paper, pp woven compound with craft paper or per customers' requirement |
| Standard Size | 45 x 52 x 10 cm (25kg) / 50 x 65 x 10 cm (50kg) or as request |
| Printing(optional) | 1. Offset Printing (economical) |
| 2. Flexo Printing (deluxe) | |
| 3. Colorful BOPP Printing (luxury) | |
| Opening(optional) | 1. Whole top opening |
| 2. Outer valve opening | |
| 3. Inner valve opening | |
| Bottom | Square bottom or hemmed |
| Packing | 500pcs / bale |
| Packing Size | 95 x 60 x 24 cm / bale or as customer requirement |
Block bottom valve bag is a new-type of packaging bag, widely used in packaging cement, flour, fertilizer, building materials , etc . Compared with the traditional cement bag and kraft paper cement bag, it is very economical and convenient, as well as big production capacity .
PP valve woven bags are designed for quick de-aeration and high filling speed.The valve can either be self-closing by the pressure of the product, It is more advanced than tubular bags.
Valve Bag Usage

Production Process
