Describe the timber bundle before choosing strap
Lumber strapping keeps boards or timber together as a handling unit. PET may be a candidate for a timber-packaging process, but the choice should follow the bundle and its handling conditions. Begin with the actual product: board dimensions, bundle size, mass, moisture condition, wrapping and any spacers or bearers.
Record how the bundle is formed, compressed, lifted and stored. A freshly assembled pack and a pack that has spent time in a yard may behave differently. Include the route to the customer and the receiving equipment. These details give the packaging team a basis for reviewing strap placement, protection and required performance.
Review the places where the package changes
| Process point | What to observe |
|---|---|
| After compression or assembly | Bundle settling, strap position and contact with bearers |
| During storage | Changes in bundle dimensions, weather exposure and protection |
| During lifting | Fork contact, support points and movement of individual boards |
| At corners | Abrasion, indentation and the condition of edge protectors |
| At delivery | Joint condition, loose bands and evidence of pack movement |
Moisture-related dimension changes and settling can alter the contact between strap and bundle. Capture the storage interval and conditions with each observation. A photograph of a tight band immediately after strapping does not establish its condition at delivery.
Consider PET as part of the system
Commercial polyester strapping is offered for wood-product applications, including by established packaging-system suppliers. That confirms a relevant material category, not that any PET coil is suitable for every lumber pack. Define the grade, joint and operating conditions for your own package.
Examine edge protection, strap route and bundle support together. A band can lose effectiveness if a protector moves, if a bearer changes position or if a fork damages it. When reviewing a change from another material, keep the baseline package design and acceptance criteria visible so the comparison measures the proposed change rather than several uncontrolled changes at once.
Make the trial representative
Use normal bundle dimensions and your actual strapping equipment. Record the sample grade, linear weight, tensioning settings and sealing process. Inspect joints and contact points after application, after the expected storage interval and after representative handling. Include the smallest and largest relevant bundles where those create different operating conditions.
Agree rejection conditions before running the trial: unacceptable movement, product damage, joint failure or feed interruptions. Select appropriate transport testing with the packaging team where needed. Package banding and the separate securement of a load on a truck are different responsibilities; US cargo rules include specific provisions for dressed lumber.
Build the purchasing brief
Compare cost per accepted bundle using actual strap length, joint tails and waste. Include any documented rework or stoppages without assuming a saving in advance. A lower price per kilogram is not enough if the package requires more material or additional handling.
Share bundle photographs, size range, moisture and storage conditions, machine model and the current strapping arrangement with Newton. Add the failure you want to solve and the required delivery format. Use that information to discuss a PET specification and the checks needed before changing production supply.
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.
- Test Procedures — Public resource identifies transport test procedure options; selection depends on distribution conditions. Accessed 2026-10-12.
- Cargo Securement Rules — Cargo securement has separate requirements from packaging unitization; no Newton compliance assertion. 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 →