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Materials \& consumables

ORACAL 651 Intermediate Cal

ORAFOL's workhorse calendered sign vinyl: 2.5-mil PVC with a clear permanent solvent adhesive and up to six years' rated outdoor durability — specified from ORAFOL's product page and the May 2026 technical data sheet, including a colour-count discrepancy ORAFOL's own pages disagree on.

ORAFOL · ORACAL 651 Intermediate CalCurrent productLast verified 2026-07-17

What it is

A medium-term calendered PVC film with a clear, solvent-based permanent adhesive, cut on vinyl cutters for signage, decals and lettering. ORAFOL rates it up to six years' vertical outdoor exposure for standard colours, less for metallics and one specific blue.

Who it may be relevant for: Sign makers and decorators producing stickers, decals and general signage where a permanent-adhesive intermediate vinyl is the default choice.

Specifications

Every figure below is traced to a numbered source. “Manufacturer figure” marks values stated by the manufacturer under their own test conditions — not independent measurements. Specifications change; confirm anything critical with the manufacturer before purchasing.

Material

SpecificationValueBasis
ConstructionMedium-term calendered PVC film (rated up to 6 years)Verified[2]
Thickness2.5 mil, excluding liner and adhesiveVerified[2]
AdhesiveClear, solvent-based, permanent; 84# silicone-coated paper linerVerified[2]

Durability (ORAFOL-rated)

SpecificationValueBasis
Rated durabilityVertical exposure, climate zone 1: 6 years colours/transparent · 4 years metallics · 3 years brilliant blue (086)ORAFOL's rating under its stated exposure conditions.Manufacturer figure[2]

Temperatures

SpecificationValueBasis
Minimum application temperature46 °F (≈ 8 °C) minimumVerified[2]
Temperature resistance−40 °F to +176 °F (−40 °C to +80 °C, exact conversion), adhered to aluminium — TDS label: "Temperature Resistance"Verified[2]

Storage

SpecificationValueBasis
Shelf life2 years at 68 °F / 50 % relative humidityVerified[2]

Mechanical (FINAT/DIN test values)

SpecificationValueBasis
Adhesive powerFINAT TM-1, after 24 h on stainless steel: 4.1 lb/in averageVerified[2]
Tensile strengthDIN EN ISO 527: min. 19 MPa along and across; elongation at break min. 130 % / 150 %Verified[2]

Compliance

SpecificationValueBasis
Fire behaviourSelf-extinguishing (DIN 75200, on steel); ASTM E 84-07 Class A. TDS carries a California Prop 65 warning.Verified[2]

Formats

SpecificationValueBasis
Colour rangeORAFOL's own current pages disagree: product page says 77 colours plus specials, the TDS colour section says 81 plus specials, and marketing copy says 82. Recorded as stated; not critical to specification.Verified[2]
FormatsGloss: 12, 15 (punched), 24, 30 and 48 in rolls — 36 in available in transparent, black and white only; 60 in on special request. Matte: 12, 24 and 48 in. Lengths 10 yd and 50 ydVerified[2]

Manufacturer claims

Marketing statements from the manufacturer, reproduced for context. damantra has not tested or verified them.

  • “industry leader in calendered plotter film”[1]
  • “dimensional stability rivaling even PVC-cast plotter films”[2]

Documented compatibility

Only relationships the manufacturer (or, where marked, a distributor) states in writing. Absence from this list does not mean incompatibility.

  • ORATAPE HT55 / MT95 application tapes (and MT80P per the TDS) — ORAFOL's stated application-tape pairings for ORACAL 651. Manufacturer-confirmed[2] · verified 2026-07-17

Limitations

  • Durability ratings are ORAFOL's, for vertical exposure in its defined climate zone — horizontal use, harsh climates and application quality all reduce them.
  • ORAFOL requires clean, cured surfaces and recommends pre-testing on lacquered or painted substrates.
  • The colour-count discrepancy across ORAFOL's own current pages is reproduced above rather than resolved.

Sources & verification

  1. [1] ORACAL 651 Intermediate Cal | ORAFOL AmericasORAFOL · official source · accessed 2026-07-17 · Colour count on this page disagrees with the TDS (see colour-range spec)
  2. [2] ORACAL 651 Intermediate Calendered Plotter Film — Technical Datasheet (05/2026)ORAFOL · official source · accessed 2026-07-17
Official manufacturer page

Spotted an out-of-date or incorrect specification? Tell us — corrections are reviewed against official documentation.

Related resources

Equipment

Roland DG VersaSTUDIO GS2-24

Roland DG's current desktop vinyl cutter: 584 mm maximum cutting width, 30–500 gf blade force and servo drive — specified from Roland DGA's product page and the April 2026 datasheet, including the warranty's registration small print.

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Material

Siser EasyWeed

Siser's flagship polyurethane heat-transfer vinyl: 90-micron PU film applied at 150 °C for 10–15 seconds with a hot-or-cold peel — application settings reproduced from Siser's own page and reference chart, as guidance, not universal fact.

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Checklist

Packing & dispatch checklist

From QC-passed goods to a tracked parcel the customer can't mis-receive: pack verification, labelling, documentation, carrier handoff, and the record-keeping that settles disputes in your favour.

Open checklist

Terms used on this page:

Run the machines; let damantra run the jobs

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