The Specs

The Specs

Phenolic Label Specs, Materials & Ordering

Here’s how our custom phenolic labels are made and ordered — engraving defaults, material options, and mounting methods, so subcontractors and project managers have what they need for accurate, efficient orders. Whether you’re labeling electrical, solar, fire, or mechanical equipment, our engraved phenolic labels are built to hold up on the jobsite.

You may see these referred to as phenolic, lamacoid, or traffolyte labels — our Label FAQs explain the difference.

Built to Hold Up

We rotary-engrave every label. Many suppliers advertise laser-engraved plastic nameplates, but rotary engraving cuts deeper — so text stays legible far longer in heat, moisture, and daily jobsite wear.

  • Durable phenolic construction — engraved on plastic to withstand heat, moisture, and daily wear
  • Code-ready defaults — engraving aligned with NEC, OSHA, and trade standards
  • Contractor-ready mounting — adhesive backing, screw/rivet holes, or chain-ready options
  • Premium U.S.-made stock — engraved on Rowmark material, made in Findlay, Ohio, with no fillers
Angled view of a custom rotary-engraved phenolic arc flash warning label showing engraving depth and beveled edge

Our Standard Setup

Unless you request otherwise, here’s what comes with every phenolic label order:

  • Material – Indoor micro-surfaced ABS plastic
  • Thickness – 1/16″
  • Finish – Matte, non-glare
  • Edges – Beveled
  • Mounting – Double-sided adhesive
  • Text – All caps, centered

Material Construction: Three-layer laminated engraving plastic (3-ply), designed for permanent equipment identification. Engraving removes the top layer to expose a contrasting core, giving clean, high-contrast text.

“Three-layer” describes the laminate construction of the engraving plastic — it does not indicate a solid phenolic resin sheet.

Optional Add-Ons

Need something more specific? We offer these options to customize your engraved plastic labels:

  • Outdoor-rated material – UV-stable, impact-modified acrylic
  • Mounting holes for screws/rivets – Standard size: 1/8″ Dia.
  • Combination – Adhesive backing and pre-drilled mounting holes
  • Edges – Flat-cut instead of beveled

Temp power labeling: For temporary power, we typically engrave on our standard indoor ABS, which holds up through the life of most temp installations — so you’re not paying for permanent outdoor material you don’t need. We reserve the UV-stable acrylic for permanent outdoor labels, where it earns its cost.

Ordering for a Bigger Project?

We work with subcontractors and PMs on everything from small retrofits to full facility builds. For larger or recurring orders, we can help streamline the process. Send your label info however’s easiest — spreadsheet, sketch, or photo — and we’ll make it work.

Custom engraved round phenolic valve tags produced as a bulk system identification set

Need blank order forms, specs, or submittal info for custom engraved phenolic labels? Visit our Docs & Downloads page.

Ready to Order?

Send your specs and we’ll take it from there.