- Zhejiang Youwei New Material Technology Co., Ltd.
- China Manufacturer with main products:pp woven bag ,cement bag ,putty powder bag ,block bottom valve ad star sack ,fibc ton bag ,pp woven flour sack ,jumbo big bag ,paper poly composite bag ,kraft paper bag ,multicolor woven sack ,bopp woven bag ,pet food woven sack
Home > Company News > AD*STAR PP Valve Bags CustomizationValve Type BagBlock BottomSelf-closing Valve
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WPP (Woven polypropylene) valve bag is a kind of PP woven block bottom bag with a valve opening on the top, made of woven polypropylene and printed BOPP film laminated to the outer surface.
PP valve bag is especially suitable for high-speed automatic filling of granular powdery materials. When filled, the valve port of bag will automatically close due to internal pressure.
Lower cost, better performance, PP valve bag is a good substitute for paper valve bag.
Sales Manager:Daniel
Mobile Phone:86- 13802155833
E-mail:tjwhoking@163.com
QQ:490045876
SKYPE:antonio87455
WeChat:13802155833
WhatsApp: 86-13802155833
PP valve block bottom bags are a type of valve bag that is commonly used in the packaging industry for powder products such as cement, tile adhesive, putty powder, and other dry goods.
The block bottom of the bag provides a stable base, which makes it easy to stack the bags and transport them without the risk of the bags tipping over.Internal valve and external valve are two common designs used in valve bags. The valve spout allows for easy filling and closes automatically when the bag is filled.PrintingPaper plastic composite bags can be printed with branding, logos, and product information, making them a great marketing tool for businesses.
Nano PerforationNano perforation helps remove air from the valve bag during high-speed filling. By creating very small, precise perforations in the PP material, air can be more easily forced out of the bag.
Accept Customizationcontent from 10 kg to 50 kg
width from 320 mm to 600 mm
length from 400 mm to 900 mm
bottom width from 90 mm to 160 mm
1. Cement
2. Fine Powders
3. Agricultural Minerals/Powders
4. Construction Materials（Tile Adhesive, Dry Mortar）
5. Sugar
6. Animal Nutrition/Additives
7. Black Carbon
8. Plastic Resins
9. PET Food
As a professional PP valve bags manufacturer, pack can customize bags according to your requirements, including design, capacity, size, logo, printing, thickness, material, surface, etc.