| Term | Meaning |
|---|---|
| Big bag | Flexible bulk container made of fabric with lifting loops. Technical term: FIBC (flexible intermediate bulk container). |
| SWL | Safe working load, the permitted payload in kg. |
| SF 5:1 | Safety factor: breaking load at least five times the load capacity (single-trip). Multi-trip: 6:1. |
| EN ISO 21898 | Standard for flexible bulk containers (FIBC) for non-hazardous goods. |
| GSM / g/m² | Weight per unit area of the fabric (grams per square metre). |
| U-panel | Construction in which the bottom and two side walls are made from one piece of fabric cut in a U shape. |
| Skirt | Extended fabric at the top that is tied shut after filling. |
| Swan neck | Tubular inlet or outlet on the special big bag. |
| Liner | Inner sack made of polyethylene (PE) that is inserted into the big bag or flat bag. |
| Coating | Thin plastic layer on the fabric against moisture and dust. |
| Overlock / safety stitch | Types of seam: overlock seam with an additional safety seam. |
| Crane eye (craneye) | Attachment point on the container bag for moving with the crane. |
| TRGS | Technical Rules for Hazardous Substances. TRGS 519 (asbestos), TRGS 521 (fibre dust). |
| PU | Packing unit: pieces per pallet, bundle or bale. |
| Type A to D | Classification of big bags by electrostatic behaviour (IEC 61340-4-4). |
| UN packaging | Packaging approved for dangerous goods under ADR/RID. An approval in its own right, not part of this item overview. |
| Lifting loop | Webbing loop on the bag to which the bag is attached. Four on big bags; always attach all of them together. |
| Flat bottom | Closed, flat bottom on which the bag stands stably. |
| Inlet | Opening at the top through which the bag is filled. On the special big bag, a swan neck that is tied to the filling spout. |
| Outlet | Opening at the bottom through which the bag is emptied. On the special big bag, a swan neck with closure. |
| Spout | Tubular extension at the inlet or outlet, stated as diameter × height in cm. |
| Tape fabric | Fabric made of narrow, drawn polypropylene tapes. |
| 4-panel | Construction with a separate piece of fabric for each side wall. |
| Circular fabric | Fabric woven as a tube without vertical side seams. |
| Breaking load | Load at which the bag fails in the test. At safety factor 5:1, at least five times the load capacity. |
| Cyclic test | Test with repeated loading; in the example of our test report, with twice the load capacity over 30 cycles. |
| Peak load test | Test in which the bag is loaded with a multiple of the load capacity; in the example, with five times the load. |
| Nominal volume | Length × width × height of the external dimensions. The actual fill volume is lower. |
| Bulk density | Weight of a material per cubic metre in the loose state, in t/m³. Determines how heavy a bag gets. |
| Fill level | Proportion of the bag height up to which it is filled without exceeding the load capacity. |
| Sheet bag | Flat, long bag for corrugated sheets and stackable components, 260 or 320 cm long. |
| Container bag | Lining for roll-off containers with lid, retaining and closing straps and crane eye. |
| PP flat bag | Open polypropylene sack without lifting loops, with closing strap or drawcord in the hem. |
| Warning print | Marking printed at the factory; on the asbestos bag in seven languages, on the mineral wool bag in three. |
| Asbestos cement | Building material made of cement and asbestos fibres, for example corrugated sheets and facade panels. Waste under TRGS 519. |
| Old mineral wool | Insulation material from existing buildings that can release fibre dust when removed (TRGS 521). |
| ADR | European Agreement concerning the International Carriage of Dangerous Goods by Road, implemented in Germany by the GGVSEB. |
| GGVSEB | German ordinance on the carriage of dangerous goods by road, rail and inland waterway. |
| Lifting accessories | Lifting-gear accessories such as ropes, chains, slings and hooks with which the bag is attached to the crane or forklift. |
| Risk assessment | Written assessment by the company of the hazards of an activity, the basis for protective measures. |
| Competence (Sachkunde) | Proven expertise for certain activities, for example for asbestos work under TRGS 519. |
| Disposal certificate | Proof of the disposal of a waste that commercial deliverers need in advance at some acceptance points. |
| Declaration of conformity | Declaration by the manufacturer that the item conforms to a standard; for our bags, to EN ISO 21898. |
| Bundle, bale | Packaging levels: several bags form a bundle, several bundles a bale or a pallet. |
| Stackability | Whether filled bags may be stored on top of one another. Permitted only if the manufacturer provides for it for the item and the stacking height has been checked. |
| Safety data sheet | Document from the manufacturer of a substance with information on properties, hazards and handling. Basis for choosing packaging and protective measures. |
| Dangerous-goods safety adviser | Person in the company or external who monitors compliance with dangerous-goods law in packing, loading and transport. |
| Accompanying document | Document that accompanies hazardous waste on the way to disposal and proves the route. |
| Filling edge | Upper limit up to which a bag may be filled. Acceptance points sometimes require filling only up to the filling edge. |
| Spreader beam | Cross beam on the crane that connects several attachment points and takes long loads evenly. |
| Batch | Production lot of an item. Where a label carries a batch number, the bag can be traced back to its manufacture. |
| Pantone | Colour system for solid colours in printing. The asbestos warning print uses Pantone 485 C (red) and black, the mineral wool warning print Pantone 424 C (grey). |
| Solid colour | A single, unmixed printing ink. Multicolour motifs with gradients are examined individually for printing. |
| Vector file | Graphic made of lines and areas (PDF, SVG, AI, EPS) that can be scaled without loss of quality. Best template for printing. |
| Print template | File that defines motif, size, colours and position for printing. We agree it with you before production. |
| Specification | Written definition of the dimensions, load capacity, fabric, bottom, liner and print of a custom-made bag, produced in the Bag Configurator. |
Sources and date
- Item data and data sheets of DS SafetyWear Arbeitsschutzprodukte GmbH, EN ISO 21898, IEC 61340-4-4, TRGS 519 and TRGS 521.
As of: 23 October 2026. General technical information, not legal advice. The data sheet, label and the requirements of your waste disposal company or client take precedence.





