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Metal RFID Cards Metal · NFC · RFID Warm antique metal
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Natural Brass RFID Cards

Natural brass is warmer and quieter than bright gold. It is useful for boutique hospitality, restaurants, cultural venues, private memberships, gifts, and branded sample kits where the metal card should feel crafted rather than flashy.

Boutique hotel, restaurant, and private member programsCultural venues, galleries, retail experiences, and clubsGift, loyalty, and invitation cards with a crafted feelDark logo marks, enamel-style details, QR, UID, or serial zonesPremium packaging where warm metal tone matters
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Natural Brass RFID Cards
(02) — RFID construction

Natural brass RF build notes.

Brass is the one face in the range that is a solid non-ferrous alloy rather than coated steel — copper and zinc, warmer in tone and softer under the tool, which is why it takes deep engraving and enamel fill so well. Electrically it is still very much metal: the same ferrite-shielded construction applies, and the encoded sample is proven on the target reader like every other build. Brass also lives — untreated it darkens toward patina, so each program decides at sample stage whether to clear-coat and hold the tone or let it age deliberately.

(03) — Print and marking

How the metal surface behaves.

Brass takes dark marks deeply and well — engraving and enamel fill are its natural finishes. Tone, patina expectation, and contrast are specified explicitly at proof stage, and QR or barcode zones use controlled printed panels.

(04) — Uses and finishes

Where Natural brass makes sense.

Every metal RFID card should be approved as a real stack: metal body, chip, antenna, ferrite or shielding route, marking method, edge, encoding, and packaging.

Best for

  • Boutique hotel, restaurant, and private member programs
  • Cultural venues, galleries, retail experiences, and clubs
  • Gift, loyalty, and invitation cards with a crafted feel
  • Dark logo marks, enamel-style details, QR, UID, or serial zones
  • Premium packaging where warm metal tone matters

Finish options

  • Natural brushed brass or antique brass look
  • Laser engraving, black UV, enamel fill, and fine linework
  • White QR or serial panels for reliable scanning
  • Hybrid RF route matched to the target reader
  • Rigid sleeve, sample board, or member-kit presentation
Card size CR80-style 85.6 x 54 mm, custom shapes by RF review
Base build Solid brass alloy (copper-zinc) face — softer than steel, takes deep engraving well
Thickness 0.3 mm to 0.8 mm depending on construction
Minimum order None — single samples to production runs
Production time About one week after artwork and sample approval
Visual character Warm brass tone with softer reflection than bright gold
Surface feel Brushed or antique brass-style metal face
Best contrast Deep laser etch, black UV, enamel fill, white data zones
QR / serial Use printed contrast panels and approve scan distance on the finished sample
RF route LF, HF/NFC, standard and high-security HF routes, selected UHF by reader test
Reader approval Test against the exact phone, lock, gate, or desktop reader
Edge options Rounded CR80 edge, chamfer control, dark RF layer by build
(05) — Compare metal options

Other metal RFID card materials.

Satin steel baseline Brushed stainless Polished reflective steel Mirror stainless Dark coated steel Matte black metal Bright gold finish Gold plated / PVD Brushed red metal Copper Soft pink PVD Rose gold Dark technical metal Titanium / gunmetal Carbon face + RF stack Carbon fiber hybrid
(FAQ) — Common questions

Natural brass: what buyers ask.

01Does a brass RFID card tarnish?

Untreated brass darkens toward a patina over time. Each program decides at sample stage whether to apply a protective clear coat and hold the tone, or let the card age deliberately as part of its character.

02What are brass RFID cards best for?

Boutique hotels, restaurants, galleries, cultural venues, and private memberships that want a crafted, warm object rather than a bright gold statement — usually with engraving or enamel fill as the primary mark.

03Is brass different from gold-finish cards?

Yes, structurally: gold cards are plated or PVD-coated steel, while brass cards are a solid copper-zinc alloy. Brass is warmer and quieter in tone, softer under engraving, and develops patina unless sealed.

(06) — Quote Natural brass

Send quantity, chip, finish and encoding requirements.

Engineered antenna pathFerrite or hybrid RF structureLaser and deep engravingBrushed, plated, coated finishesUID, NDEF, and access encodingSample kits and production approval