Tel:86-0750-6228802
Fax:86-0750-6228277
Mobile Phone:+8617718861990
Email:yingtong@yingtongpack.com
Address:Xinsha Industry, Muzhou Town, Xinhui District, Jiangmen, Guangdong Country Region China
Paper valve bag with 4+1 Plastic Liner Cement Bag 25kg is a dedicated solution for packaging and storing cement. High-quality materials are used in the construction of this bag, thereby providing durability, strength and protection of the contents.
This bag consists of several layers, combining the strength of kraft paper with the additional protection of a surrounding plastic liner. Basically, the outer layer usually consists of kraft paper, which makes it strong enough to retain its shape throughout the handling or transportation process, in addition to being tear-resistant.
The Polyethylene (PE) plastic liner is placed within the kraft paper layer to prevent moisture from penetrating into the cement bag during storage or transportation, which may cause moisture inside the cement bag, resulting in product contamination. Moreover, this PE liner adds more strength and puncture resistance, thereby ensuring that safety measures are met in terms of packaging integrity when handling different types or sizes
Supply Ability & Additional Information
Productivity: 800 million per year
Transportation: Ocean,Land
Place of Origin: Jiangmen City,Guangdong Province,China
Certificate: ISO 9001:2015
HS Code: 4819300000
Payment Type: L/C,T/T,D/P,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Strong structure:
This General Purpose Cement 25kg Bag is made up of four kraft paper layers and a polyethylene (PE) liner which adds extra strength to the package so that it can withstand being moved about or stored without any problems with the cement coming out.
Moisture Resistance:
With water or humidity being two things that ruin everything, there should be a cover to prevent either from entering and this is where the PE liner comes in. Such resistance against moisture keeps even rainy days from affecting quality or integrity of cement.
Toughness against tearing:
The outermost layer being kraft papers means that they are very unlikely to be torn therefore reducing chances of puncturing thus enhancing durability as well as safety during transit where spillages may occur due to weariness on part of carrier.
More stable:
When Paper Valve Bag is four-ply, Cement 25kg Plastic Bag does not only become stronger but also gains stability hence making sure whatever was put inside remains intact until destination reached notwithstanding how long such journey might take since along way there shall arise many bumps which could easily have shaken contents loose were packaging not good enough in terms both design as well execution thereof.
Eco-friendly:
Kraft paper together with polyethylene liner used while making bags ensures Cement 25kg bag is an option for environmentally friendly packaging. Recycling can be done on these materials because they decompose naturally over time thereby reducing pollution caused by other types like plastics whose breakdown takes ages under specific conditions only found certain places.
In modern cement plants and mixing stations with "high degree of automation", the dust-free design of paper valve bags greatly improves the working environment, and dust emissions can be reduced by more than 90% compared with traditional open packaging. This makes it easier for companies to meet the strict standards of OSHA and EPA.
For distribution centers and application sites with "high turnover", the stacking stability (standard pallets can be stacked up to 12 layers) and rapid identification characteristics of paper valve bags improve logistics efficiency. The barcode printing area is uniformly designed and compatible with various automatic sorting systems.
In "green building" certification projects, such as LEED certification projects, the use of paper valve bags (Paper Valve Bag) can get material sustainability points. Statistics from Nordic countries show that environmentally friendly packaging options can increase project scores by 7-15 points.
For high-end cement products with "high brand sensitivity", the excellent printing performance of paper valve bags can perfectly display brand image and product information, becoming an effective mobile advertising carrier. Market research shows that high-quality packaging can increase end-user brand awareness by more than 30%.
Storage points of Paper Valve Bag
Regarding site selection, indoor warehouses should be given priority. If outdoor storage is necessary, ensure that the overhead space is at least 20cm, and cover it completely with a rainproof cloth, and maintain a 60° tilt to facilitate drainage. Data shows that correct covering can extend the effective shelf life by 3 months.
In terms of stacking specifications, it is recommended to adopt the "vertical and horizontal alternation" method, with 5×2 per layer and a total height of no more than 10 layers (about 3m). Each pallet should be fixed with at least 3 strapping straps, and pads should be added to the corners to prevent wear. Incorrect stacking will cause the lower bag to deform and the risk of liner seal failure will increase by 40%.
Environmental control is crucial, with the optimal storage temperature of 5-30℃ and humidity ≤65%. Studies have shown that for every 10℃ increase in temperature, the rate of cement activity decay doubles. In tropical areas, it is recommended that warehouses be equipped with dehumidifiers, and keeping the humidity below 60% can extend the shelf life by 50%.
The regular inspection system must be strictly implemented: weekly inspections in the first month, and once a month thereafter. Focus on checking whether the bag body is damaged, whether the lining is leaking (press it with your hand to judge), and whether the printed batch number is clear. Sampling test for agglomeration, when the proportion of agglomeration diameter>5mm exceeds 3%, it should be used first.
Maintenance tips for Paper Valve Bag
For valve protection, ensure that the valve is facing up during storage to avoid deformation under pressure. Cardboard partitions can be placed between each layer to disperse the pressure. Actual cases show that proper valve protection can reduce the failure rate to less than 0.1% at a filling speed of 3500 bags/hour.
Anti-rat and anti-insect measures cannot be ignored: warehouses should be sprayed with food-grade insect repellents regularly to keep the surrounding environment clean. Interestingly, insect repellent treatment with specific plant essential oils can effectively repel pests such as cockroaches without affecting the environmental performance of paper bags.
Although moisture-proof management is not as strict as plastic lining, it is still necessary to pay attention to: when the ambient humidity exceeds 75% for 3 consecutive days, a desiccant should be placed in the warehouse (recommended dosage: 500g/m³). Records show that this approach, combined with proper ventilation, can control the compression strength loss of paper bags to less than 8%.
For long-term storage of paper valve bags, it is recommended to turn the stack once a quarter to change the stress point. Practical data shows that regular stacking can increase the stacking stability by 35% during the three-year storage period and significantly reduce the risk of inter-layer adhesion. When turning the stack, pay attention to check whether the lower bag body is deformed.
A 25kg cement bag has four layers of kraft paper for strength and a polyethylene (PE) liner for moisture protection. It is designed this way to last longer while in storage or being transported.
The PE liner acts as a barrier against moisture which stops humidity and water from getting into contact with the cement. This characteristic ensures that the cement remains usable and maintains its quality especially in areas where there is high humidity or during prolonged storage periods.
Yes, these bags are suitable for carrying cement over long distances. The strong construction of four layers of kraft paper plus one layer of plastic ensures durability and stability when it comes to transporting this product to different parts of the country or even beyond our borders.
Certainly, these bags can serve as containers for keeping large amounts of cement together. Such bulk storages require having items that are made from materials which can withstand being affected by moisture; hence their preference over other types whenever there is need to store such products within warehouses or any other places where they might come into contact with water droplets over a considerable period thereby compromising their integrity.
Yes, printing options like logos, brand names among others can be included during customization process of these bags in order to meet different branding as well labeling needs within various industries. Nevertheless, depending on the manufacturer’s technical capacity, there might be variations regarding what extent one could personalize them further.
Construction industry , infrastructure development sector, manufacturing enterprises as well export-import ventures frequently employ this kind package while packing or moving cement from one place to another. Such bags offer reliable solutions for many applications found within such sectors.
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