Jining Shunxing Plastics Co., Ltd. is one of the leading manufacturers and suppliers of pp woven valve bags in China. If you're going to buy durable pp woven valve bags made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.
Product Introduction
Tired of inconsistent valve fit, powder leakage and unstable pallet stacks holding up your cement and dry mortar packaging runs? Our PP Woven Valve Bags are designed for industrial powder packaging, with customizable dimensions, valve designs and printing to meet specific engineering requirements. We support reliable bulk supply for ongoing projects. Product visuals show a single filled bag, a close-up of the valve opening, block-bottom construction and pallet stacking for quick evaluation. You can request a quote or sample to assess product suitability. We provide REACH supporting documents, conduct in-line quality inspections and operate a dedicated industrial packaging production line.
Product Specifications
| Item | Specification |
|---|---|
| Product Type | PP Woven Valve Bag, Block Bottom Valve Bag |
| Material | Virgin PP woven fabric; optional PE extrusion lamination / PE liner |
| Bag Dimensions | Width × Length × Bottom Gusset, unit: cm, customisable to project requirement |
| Filling Weight | Standard fill range for dry powder, customisable upon request |
| Valve Design | Internal self-closing valve; valve size and opening position matched to automatic filling spout |
| Fabric Weight | 70–110 g/m², selectable based on filling weight and stacking demand |
| Lamination | Optional PE extrusion lamination; lamination adds moisture resistance and reduces recyclability |
| Printing | Gravure printing, up to 4 colours, custom artwork and marking available |
| Liner | Optional separate PE liner, liner thickness adjustable |
| Packaging | Bundled in bales; bale quantity and outer dimensions adjustable |
Applications
For dry mortar and tile adhesive, the priority is minimising fine powder leakage while keeping filling throughput steady. The bag structure is built to withstand repeated handling during transit; optional lamination and anti-slip surface treatment are available based on your powder grade and shipping conditions.
For gypsum and mineral powders, the base material will not discolour or contaminate light-toned powders. The block bottom keeps bags from deforming after filling, and reinforced edge treatment reduces tearing during frequent forklift movement. Fabric grade is selected according to how abrasive your powder is.
For non-hazardous chemical and industrial powders, the base woven material is chemically inert and carries supporting material declarations. Separate inner liners and custom identification printing can be added. Material compatibility checks are required before locking in a final configuration.
For cement and building material projects, packaging needs to run smoothly on automatic filling lines, hold enough structural strength, and keep uniform shape for safe high pallet stacking. We offer reinforced valve seams and heavy-weight fabric choices, with final specs aligned to your filling machines and warehouse stacking rules.
For resin and granular materials, the opening is sized to prevent blockage by coarse particles, with strengthened bonding areas to resist punctures. Options are adjusted to match granule size and whether you use gravity or air filling equipment.
Product Performance
Tensile and Tear Resistance
The woven fabric is selected to match the bag load and handling conditions, helping resist tears and abrasion during forklift transfers and pallet handling.
01
Valve and Block Bottom Strength
Valve bonds and bottom seams are checked for consistent adhesion. The block bottom helps bags keep their shape when filled, supporting stable stacking and reducing the risk of seam separation under load.
02
Dust Control and Sealing
The valve interface helps limit powder leakage during filling and transport. Very fine powders may need additional sealing, depending on particle size and filling speed.
03
Dimensional and Fabric Weight Consistency
Controlled tolerances for bag dimensions and fabric weight help PP Woven Valve Bags fit filling spouts and maintain a consistent footprint on pallets.
04
Drop and Stacking Tests
Drop and stacking tests assess bag performance under typical handling and warehouse conditions. Test records are available for internal quality checks and supplier evaluation.
05
Factory Capability
We focus on woven sack conversion and finishing.Our monthly output supports recurring bulk overseas orders. We reserve raw materials for active accounts, keep traceable batch records and lock approved specifications for repeat orders to avoid re-qualification. Finished bags are bundled into export bales; our team assists with container layout optimisation and works with your nominated forwarder, and we will notify you early of any upstream material or logistics risks that may impact delivery.
FAQ
Q: What is your MOQ?
A: MOQ varies by specification. Plain standard PP woven valve bags have a lower minimum, while orders with custom sizes, multi-colour printing or special material upgrades require a higher MOQ. When you mix different designs in one shipment, we will adjust the minimum accordingly.
Q: Can you customize bag dimensions?
A: Yes. We can adjust width, length and gusset to match your filling machine and stacking setup. You need to share your target filling weight, spout size and storage conditions first. We will send a technical draft for confirmation before production starts.
Q: Can you print our own logo?
A: Gravure printing is available. Please supply vector artwork files. The number of colours affects setup cost and MOQ. We will share a print proof for your approval prior to mass production.
Q: Can you provide technical and quality documents?
A: Yes. We can supply spec sheets, batch inspection records and material declarations to support your compliance audit. These documents are issued together with shipments of PP woven valve bags.
Q: How can we get an accurate quotation?
A: To prepare an exact quote, please provide required dimensions, fabric grade, printing details, order quantity, destination port and your intended application. We will review all details and revert shortly.
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