"Tested" is easy to print on a brochure and hard to verify. A buyer should be able to ask three things: which test, what result, and for which batch. This article explains the quality checks MRP EXIM PRODUCTS applies to ZIPCO® products, what each one actually tells you, and how to request the documents.
Every check listed below is one we state on our product and trade pages. Tests that apply to one product family are labelled as such rather than described as universal.
Key Takeaways
- Checks stated for ZIPCO® products: 72-hour boiling water test, digital thickness checks (±0.15mm), moisture control (8% to 12%), dynamic stress and load testing, and batch density logs.
- Container flooring plywood is additionally stated as passing the IICL bend test at 6780 N.
- Lab test reports, density logs and quality check stamps are provided with every batch on request.
- Always ask for the report that matches your grade and batch, not a generic certificate.
Why Testing Matters More Than Appearance
Two plywood sheets can look the same on a stack. The differences are inside: the glue bond, the core, the moisture in the veneers and the thickness across the sheet. None of these can be judged by eye, and each one decides whether the board delaminates, warps or lasts its rated life. Testing is how those hidden properties are checked on every batch instead of assumed.
The Checks and What Each One Tells You
| Check | What it shows | Why a buyer cares |
|---|---|---|
| 72-hour boiling water test | Whether the glue bond survives prolonged boiling | A bond that holds is waterproof in service; one that fails will delaminate on wet sites |
| Digital thickness check (±0.15mm) | How uniform sheet thickness is | Panels sit flush; CNC and system formwork fit without shimming |
| Moisture control (8% to 12%) | Dryness of veneers when pressed and finished | Over-wet boards warp and bond poorly; over-dry boards crack |
| Density log | Mass per volume of the board | Density relates to core quality and stiffness; it helps compare batches |
| Dynamic stress and load testing | Behaviour under repeated or moving load | Shows whether a board holds up under real working loads |
| IICL bend test, 6780 N (container flooring) | Resistance to bending under heavy load | Container floors must carry forklifts and cargo without breaking |
Which Checks Matter for Which Product
| Product family | What to ask for |
|---|---|
| Shuttering plywood | Boiling water test (bond), thickness tolerance, moisture, density |
| PF 710 and interior plywood | Boiling water test, thickness tolerance (calibrated grades), moisture |
| Container and truck flooring | Boiling water test, density, IICL bend test (container flooring) |
| Brick pallets | Material and density (1.40 g/cm³ for solid plastic), thickness, and a sample trial through your production cycle |
Not every check applies to every product, and you should not expect a boiling water report for a plastic pallet. If a document looks unrelated to what you are buying, ask why. For pallets, the 8 buying checks cover what to verify yourself.
The Documents You Can Ask For
We provide lab test reports, including boiling water test results, density logs and quality check stamps, with every batch. When you request a quote, ask for:
- The test report for the grade and thickness you are ordering.
- The batch reference, so the report can be matched to the sheets delivered.
- The density log for the batch, if you compare lots.
- Which of our ranges carry ISI/BIS certification. Certification depends on product category, so confirm it for the specific grade you are buying.
Then verify the delivery yourself with the 10 on-site checks.
What a Test Report Does and Does Not Prove
A report proves how the tested sample behaved. It does not prove how a board will be stored, cut, stripped or loaded on your site. Good results still need good handling: see how to increase shuttering plywood repetitions. The report is your baseline. If a delivered batch behaves differently from its report, you have a documented reference to raise with the supplier.
Frequently Asked Questions
Are all ZIPCO® products tested?
What is the 72-hour boiling water test?
Do you provide test certificates with shipments?
Is ZIPCO® plywood ISI or BIS certified?
What does ±0.15mm thickness tolerance mean?
Need a bulk quote?
Share your thickness, size, quantity and delivery location. Our trade desk replies with specifications and pricing for domestic and export orders.
