Skip to content

Construction choices that still block a quote

corrugated boxes supplier

Before a corrugated boxes supplier can answer the same line, open choices on liner, flute and print route have to be named or marked undecided. This page is a material-options brief, not a sustainability scorecard and not a claim that we mill paper or own a converting plant.

Cut flute profiles and liner swatches on a spec bench

Decision order for a comparable construction

  1. Name the liner story

    Virgin kraft, test liner, or a stated post-consumer recycled content share. PCR is a lot file, not a site slogan.

  2. Pick a flute profile

    E-flute, B-flute or BC-flute change caliper, print face and stacking. Do not average them on one RFQ row.

  3. Choose a strength method

    Edge crush test or burst strength. Example anchors: 32 ECT single-wall RSC, 275 lb burst double-wall.

  4. Lock print route

    Digital for frequent artwork changes; flexographic printing for a stable volume. Record the open dispute instead of hiding it.

Option cards a buyer can verify

PCR liner versus virgin kraft

Post-consumer recycled content can support a recycling report when the lot file names the share. It can also change shade and burst. Accept an alternative only after the buyer checks print face and the food-contact file, if the fill needs one.

Check: lot file, not homepage badge

Single-wall flute swaps

E-flute favors print and compact mailers. B-flute often carries more stacking. Swapping flute to chase a cheaper quote is a new construction. Verify inside dimensions still fit the product and that the die line still closes.

Check: flute + inside size together

Paper versus plastic outer

A paper-plastic substitute is a different pack family. If a factory offers shrink or rigid plastic instead of corrugated, treat it as a new RFQ. Do not score it as a corrugated boxes supplier saving.

Check: same family before compare

Files that support an option, not logos of allies

Food-contact and ink migration

If the case touches food or a food primary pack, ask for the FDA 21 CFR review path on that ink and board lot. A missing file is a reason to keep the quote pending, not a reason to advertise a green claim.

Fiber chain documents

Forest Stewardship Council chain-of-custody, when required, names a shipment. Global Recycled Standard language, if used, must match the liner lot. Neither document is granted by publishing this page.

Numbers that belong on the brief

32 ECT

Example single-wall RSC strength method, only valid with style and flute named.

275 lb

Example double-wall burst strength. Do not convert it into ECT on the same sheet.

4-color

Example flexo count. Digital short runs still need artwork revision written beside it.

What must be verified before accepting an alternative

Confirm the alternative uses the same box style and inside dimensions, or accept a refit. Confirm the strength method is the one you asked for. Confirm print route and plate or digital extras are itemized. Confirm any recycled or food-contact statement is a file for that lot. If those items stay open, the alternative is not yet comparable. Continue with inquiry options or the requirement form.

Send the open material choices with the inquiry

Mark undecided liners or flutes instead of forcing a fake complete spec. Factories can quote a range or decline.

Request Factory Quotes