01 / OPTION
Filling and closing methods
Open-mouth or valve constructions must suit filling and closing equipment.
Discuss your requirements ↗Plastrum / Industrial paper sacks
Your product.
Your filling line.
The right packaging.
Industrial paper sack specifications are determined by the contents, filling method and supply chain. We compare open-mouth, valve and block-bottom constructions.
Dimensions, material and printing tailored to your project.
From idea to delivery.One contact for your entire order.
Product example. The exact solution and design are agreed with you to suit your project.
Over 25 years of packaging experienceManufacturer selected for your projectOrder and delivery coordination
01 / Your options
Three choices. Your solution.
We combine use, material and design into a suitable solution.
02 / OPTION
Layers and protection requirements
Paper layers and any inner liner are selected according to the properties of the contents.
Discuss your requirements ↗
03 / OPTION
Storage and transport
We account for fill weight, pallet layout and the journey from production to customer.
Discuss your requirements ↗02 / A considered solution
Packaging for your filling line and product.
Include a description of the contents, fill weight, line requirements, bag dimensions and annual demand.
Discuss your requirements ↗- Use and dimensions
- We start with the product and how the packaging will be used.
- Material and construction
- We select a suitable solution for the required strength, protection and appearance.
- Printing and artwork
- Add a logo or artwork reference. We agree the technical options before production.
- Quantity and deadline
- Provide the quantity and delivery date you need. We confirm order terms in the quotation.
03 / Easy to order
From your requirements to delivery.
01
Send your brief
Describe the use, quantity and deadline. Add a sample, drawing or artwork.
02
We compare solutions
We select suitable production options and prepare a quotation.
03
We confirm the details
We agree the specification, any sample, printing and delivery schedule.
04
We coordinate your order
We liaise with the manufacturer and arrange delivery to the agreed destination.
04 / Good to know
Questions before you order.
We clarify the important details before production starts.
What information is needed for a quotation?
Include a description of the contents, fill weight, line requirements, bag dimensions and annual demand.
What is the minimum order quantity?
The minimum depends on dimensions, material, printing and production method. Include your required quantity; the exact minimum is confirmed in the quotation.
When will my order arrive?
Include your required arrival date. Production and delivery timing are confirmed after the specification and artwork are agreed.
Open detailed technical information and product description
A technical overview of industrial paper packaging constructions, materials, printing and production.
Technical information
Minimum order quantity
- Standard solutions: from 10,000 pieces
- Printed production: from 10,000–15,000 pieces
- Custom minimums depend on construction, layer structure and additional features
- Express orders and smaller quantities by agreement
Materials
- Kraft paper: one- to five-ply construction
- PE-coated paper
- LDPE inner layers
- HDPE barrier layers
- PE and PP laminates
- Moisture- and grease-resistant materials
- Barrier materials for air and moisture protection
Construction
- Pasted-bottom open-mouth sacks (PBOM): strong construction for fast filling and secure closure, two to four plies, good stability and pallet stackability
- Valve sacks: for automatic filling; paper insert, poly-lock, ultrasonically sealable or tuck-in valves; two- to four-ply construction
- Block-bottom sacks: upright construction for manual or automatic filling, with high stability and good shelf presentation
Printing options
- Flexographic printing in up to eight colours
- Pantone colour system
- Logos, text and product information
- Printing on front, back, side gussets and bottom
- Consistent quality throughout the print run
Production and delivery
- Production to customer specifications
- European manufacturing partners
- Certified production processes
- Quality control before delivery
- Production and delivery times according to project volume
Artwork requirements
- Formats: AI, PDF or EPS
- Pantone colour references
- Technical artwork checks before production where needed
Applications
- Building materials
- Food manufacturing
- Agriculture and animal feed
- Chemical and industrial products
- Minerals
- Logistics and storage
Industrial paper sacks: choosing construction and material
Industrial paper packaging can appear simple until you need to choose between an open-mouth sack for fast manual filling, a valve sack for an automatic line or a block-bottom construction for stable storage. The wrong construction can slow filling, cause leakage and increase logistics damage.
Three construction types: when to choose each
Pasted-bottom open-mouth sacks (PBOM)
PBOM sacks suit fast manual or semi-automatic filling. The open top is closed after filling. A two- to four-ply construction provides stability and pallet stackability for high-volume dry goods, powders and granules.
Valve sacks for automatic filling
A valve sack is filled through its valve. Closure depends on the valve construction and filling line; ultrasonically sealable valves require compatible sealing equipment after filling. Options include paper insert valves, poly-lock valves, ultrasonically sealable valves and tuck-in valves. The choice depends on product density, filling speed and dust-control requirements. Ultrasonic sealing helps reduce powder leakage through the valve when the sack and sealing equipment are compatible.
Block-bottom paper sacks
Block-bottom sacks stand upright and suit manual or automatic filling. Their stability and shelf presentation suit products needing to stand in-store or in storage rather than lie flat on a pallet. This construction supports both logistics and visibility.
Materials for protection and moisture resistance
Material selection determines load capacity and protection during storage and transport. Moisture, grease and aggressive contents place different demands on paper packaging than ordinary retail use.
Kraft paper and moisture-resistant options
One- to five-ply kraft paper is a standard solution for many dry products. PE-coated paper and LDPE inner layers add moisture protection for products that must not absorb moisture in storage. Air and moisture barriers matter where product quality depends on transport and storage conditions.
Barrier materials for heavy and demanding contents
HDPE barrier layers and PE/PP laminates can provide additional protection for greasy or aggressive contents, including chemicals, minerals and building powders. A suitable layer structure helps protect both product and packer and reduce leaks and damage in the supply chain.
Printing for logistics and branding
Industrial sack printing is more than decoration. Logos, text and information often include logistics markings, safety information and traceability details that must remain readable throughout the supply chain.
Flexographic printing in up to eight colours
Flexographic printing in up to eight colours with Pantone references supports consistent quality across the run. Printing can cover front, back, side gussets and bottom for branding, technical information, hazard markings and logistics identifiers.
Custom industrial sacks with your logo
Logos and personalised designs combine practical packaging with professional presentation. Up to eight-colour flexographic printing can add branding, product information, instructions, safety markings and other required details in the same process.
Applications by sector
Industrial paper sacks serve sectors where packaging must meet logistics, safety and branding requirements together.
Building materials
Strong, moisture-resistant sacks for heavy, abrasive contents and demanding storage.
Food manufacturing
Moisture- and grease-resistant materials to preserve product quality in storage and reduce spoilage risk.
Agriculture and animal feed
Strong, high-capacity sacks selected for exposure conditions and repeated loading and handling.
Chemical and industrial products
Suitable barrier materials to protect products and handlers from aggressive contents.
Minerals
Dust-resistant construction and strong bottoms for heavy loads and intensive handling.
Logistics and storage
Pallet-stackable construction that remains stable, reduces damage and simplifies storage and load handling.
Plastrum: your industrial paper sack partner
Plastrum coordinates production with European partners and helps choose construction, layer structure, materials and printing for the technical requirements. We serve businesses throughout the Baltic and Scandinavian markets, from defining requirements to delivering finished packaging.
05 / Tell us about your project
Request a quotation
Include a description of the contents, fill weight, line requirements, bag dimensions and annual demand. You do not need to have every detail decided yet.
Berni Valge · Plastrumberni@plastrum.ee ↗+372 514 0521
Plastrum selects a suitable manufacturer and coordinates the order and delivery.
Industrial paper sacks
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