Why Your Old Packaging Specs Probably Won't Cut It in 2025

You're likely using specs that were written for a different era.

I review packaging and printed materials for a living — roughly 200+ unique items every year at my current role (a mid-size B2B packaging company). In Q1 2025 alone, I've rejected nearly 12% of first deliveries for spec drift. The biggest surprise? Most of the issues come down to outdated assumptions about what 'industry standard' actually means.

Here’s the short version: What was considered acceptable in 2020 is often a red flag in 2025. The fundamentals haven't changed — you still need dimensional accuracy, color consistency, and material performance — but the execution has transformed. If you're sourcing from a global player like Berry Global (which has serious aluminum packaging leadership and a massive plant in Bowling Green, KY), or if you're buying simple stuff like roll masking tape or printing a Caseta trade brochure, the same truth applies: your spec sheet needs a refresh.

“Bottom line: the cheapest quote with the loosest tolerances will cost you more in reprints, returns, and reputation than the incremental savings.”

Why I say this — and why you should listen

I’ve been on both sides: as a buyer rejecting non-conforming goods, and as a supplier explaining why tighter tolerances raise unit cost. Over 4 years of quality management, I’ve seen three patterns repeat:

• Material evolution: Aluminum packaging, for example, now uses thinner gauges (down to 0.006″ for some beverage cans) while needing the same barrier performance. That shifts tolerances on print registration and coating thickness. Berry Global’s Bowling Green facility has invested in new coating lines (circa 2023) that hit Delta E < 1.5 consistently — but only if the artwork files are properly set up.
• Print technology shift: Digital print quality for short-run items (like Caseta trade brochures or small-batch masking tape labels) has caught up to offset. But many buyers still specify 300 DPI as a catch-all, ignoring that line screens and dot gain matter more on coated vs. uncoated stocks. I’ve rejected brochures that were technically 300 DPI but looked blurry because the RIP interpreted the image differently.
• Cost pressure vs. quality creep: When Berry Global introduced a new aluminum laminate for industrial packaging in 2024, the press operators needed a 3-week ramp-up to stabilize color across 50,000-unit runs. That’s an investment many smaller suppliers won’t make (not that they should have to).

Three things that changed (and one that didn’t)

1. Color matching is now tighter — and more automated

Industry standard color tolerance used to be Delta E < 3 for brand-critical colors. Now many major brands (and their packaging partners) push for Delta E < 2. Berry Global’s internal spec for aluminum packaging is Delta E < 1.8 on first article. I’ve seen them hit it 94% of the time. But here’s the nuance: Delta E is only meaningful if measured under standardized lighting (D50, 2° observer). I can’t tell you how many complaints I’ve gotten from marketing teams who said “the blue is off” only to find they were comparing a printed piece under office fluorescent tubes against a monitor at 6500K.

What you need to know: if you’re specifying Pantone 286 C on a roll of masking tape or on a Berry Global aluminum can, request a spectrophotometric measurement report alongside the physical proof. Most suppliers will provide it if asked (they just don’t volunteer it).

2. Roll masking tape printing has become a specialty — not a commodity

Most people think masking tape is a low-tech product. It’s not. The surface energy of the tape backing affects ink adhesion, and the release liner coating can cause color shift if the oven temperature profile is off by even 5°C. I learned this the hard way in 2022 when we rejected a batch of 8,000 rolls because the printed logos smudged after 2 weeks in storage (the vendor had switched to a cheaper liner without telling us).

What I now include in every contract: “Adhesion of printed ink to substrate shall be tested via tape pull test (ASTM D3359) after 72 hours of accelerated aging at 50°C.” That single clause has saved us about $22,000 in potential redo costs this year alone.

3. How to poster print — the 300 DPI myth

I still see spec sheets that say “all images must be 300 DPI at final size.” For a poster viewed at arm’s length, sure. But for a 48″ × 36″ trade show poster that viewers see from 3-6 feet away, you can drop to 150 DPI without visible difference. The file size savings are massive — a 300 DPI RGB poster can be 1.2 GB, which clogs up prepress pipelines. I’ve had printers charge extra “oversized file handling” fees (which, honestly, felt excessive).

Better approach: ask for the print provider’s recommended resolution per viewing distance. For the Caseta trade brochure (usually 8.5″ × 11″ folded), 300 DPI is correct because it’s handheld. But for a 40″ × 60″ banner, 150 DPI is fine.

Boundary conditions — when the rules bend

Everything I’ve said applies to my context: a mid-size B2B company with predictable ordering patterns and a dedicated quality team. If you’re a small business printing one-off posters at the local copy shop, the calculus is different — you probably just need it to look good enough, not pass a formal audit. Similarly, if you’re sourcing temperature-sensitive chemicals in aluminum pouches, the barrier spec takes priority over color every time.

And take my pricing observations with a grain of salt. The cost of specialty masking tape has fluctuated significantly since early 2024 due to raw material shifts. I can only speak to what I saw in Q4 2024. So verify current rates before budgeting.

What hasn’t changed? The principle that a spec is only as good as your ability to measure it. Whether you’re buying from Berry Global or a local printer, ask for the measurement data, not just reassurance. If they can’t provide it, that’s a red flag.