# Cartão Metalico: The Ultimate Guide to Premium Metal Cards ## What is a Cartão Metalico? A **Cartão Metalico** represents the pinnacle of payment card design and prestige. Unlike standard plastic cards, a metal card is crafted from materials like stainless steel, titanium, or composite metal alloys, offering superior durability, a substantial feel, and an unmistakable sense of luxury. From my personal experience, receiving and using my first metal card was a game-changer; its weight and cool touch immediately conveyed a sense of exceptional quality and exclusivity that plastic simply cannot match. ### The Technology Behind Modern Cartão Metalico The creation of a **Cartão Metalico** involves sophisticated engineering. While the exterior exudes luxury, the interior houses advanced chip technology and antennae for contactless payments. My own skill in product design has given me an appreciation for the precise milling and layered construction required to embed these components without compromising the card's sleek profile or structural integrity. #### Technical Specifications and Parameters For those interested in the precise engineering, here are detailed technical indicators for a typical high-end **Cartão Metalico**. *Please note: These technical parameters are for reference data only. For exact specifications, you need to contact backend management.* * **Core Material:** 304 Stainless Steel or Grade 5 Titanium Alloy. * **Dimensions:** Standard ID-1/CR80 format: 85.60 mm × 53.98 mm × 0.76 mm (thickness can vary from 0.7mm to 0.84mm for premium feel). * **Weight:** Approximately 15g to 22g (compared to ~5g for plastic). * **Embedded Chip:** Typically a secure element (SE) chip like NXP's SmartMX2 P60 or P71 series (e.g., P60D144, P71D320) for payment security and data storage. * **Contactless Interface:** Integrated NFC antenna operating at 13.56 MHz, compliant with ISO/IEC 14443 Type A/B standards. * **Magnetic Stripe:** Often a "dummy" stripe or a fully functional, laminated low-coercivi