How are subway tickets made?

How are subway tickets made?
    Friends who often take the subway have all used subway tickets, which are usually round pieces of plastic. Passengers hold them in their hands and sense them on the train to enter the train. So how exactly is this round plastic piece made? Here, we will explain it to you.
    Subway tickets are made of ABS material, which has excellent impact resistance, heat resistance, low-temperature resistance, chemical resistance, and electrical properties. It is also easy to process, has stable product dimensions, and good surface gloss. It is easy to paint and color, and can also undergo secondary processing such as metal spraying, electroplating, welding, hot pressing, and bonding. It is widely used in industries such as machinery, automotive, electronics and electrical appliances, instrumentation, textiles, and construction. It is a thermoplastic engineering plastic with a wide range of applications.
    ABS feels quite hard to the touch. During use, it is durable, long-lasting, and performs well. However, appearance alone is not enough; the core part is the built-in chip. Taking Shenzhen Metro tickets as an example, Shenzhen Metro Tickets use UL chips, whose main features are as follows:
Protocol: ISO 14443 A
Frequency: 13.56 MHz
Storage space: 64 Bytes
Read/write space: up to 10 cm long
Data transfer speed: 106 kbit/s
Erasable times: 100,000 times
Service life: 5 years
Storage temperature: -25°C to 50°C
Humidity: 20% to 90% RH
Operating temperature: -40°C to 65°C

Basic Features of the Ultralight Chip:
1. Long read/write distance with stable performance
2. Fast read/write speeds and sensitive signal response;
3. Label sizes of any specification can be designed to meet different user needs;
4. Label materials are diverse and soft, allowing for arbitrary packaging;
5. Multiple simultaneous readings available, with anti-collision functionality.

    Therefore, using this chip combined with ABS packaging is very durable and practical. Our factory can also produce subway tickets ourselves. Friends in need are welcome to contact us.