Start with the bale, not just the strap
The first question is what the strap needs to hold. Identify the fiber type, how the bale is formed and the dimensions at the point where strapping is applied. Include bale mass, its wrapping or covering materials and the planned number and position of straps.
A short description of the packing sequence is often more useful than a dimension in isolation. Record whether the bale is strapped while compressed, when the press is released and how the bale is then lifted, stacked or moved. This gives the supplier the context needed to discuss a specification.
Describe compression and handling
Share the compression and release sequence used in your operation. If dimensions change after release or handling, record the observed changes and the conditions under which they occur. Photographs, drawings or measurements can help define the contact points and any edge protection.
List the handling stages after packing: internal movement, storage, loading and transport. Include the lifting method, stack arrangement and destination requirements. These details help define what a review or validation should represent; they do not establish a universal strap dimension.
Bring material and equipment together
Discuss width, thickness, weight per meter, breaking strength, elongation and coil configuration as a connected set of requirements. Add the equipment model, feed path, tensioning method and sealing process.
The material name PET does not by itself establish compatibility with a particular tool or machine. Confirm the applicable dimensions and coil format with the equipment requirements, then agree what needs to be reviewed on the actual packaging line.
Agree what will be checked
Set out the information needed before an order: material documentation, dimensional requirements, sample quantities and the checks to be performed. State the operating conditions and what an acceptable result would look like for the application.
Keep the enquiry specific. A drawing of the bale and strap positions, a list of equipment details and an outline of the handling sequence create a clearer starting point than asking for a generic fiber strap. Newton can use that brief to discuss the next step.
Sources and scope
Public references provide industry context. Other manufacturers’ specifications are not Newton approvals. Paid standards were not accessed in full.
- Tenax Polyester Strapping — Manufacturer describes polyester strapping applications and equipment; these are Signode products, not Newton approvals. Accessed 2026-10-12.
Connect this guide to your application
Use the product families below to start a specification review. Suitability and availability require confirmation for the proposed grade.
Discuss your requirements →