The industry's widest range of magnetic stripe.

Greencorp has made magnetic stripe tape for cards and tickets since 1972. Everything is coated, slit and tested at our own plant in Sydney — a single site, which is why we can hold a product range this wide and still schedule deliveries around your production runs rather than ours.

The company is accredited to ISO 9001 and applies it end to end, from order entry through to despatch. Every batch is tested against ISO standards on our own instruments, including a vibrating sample magnetometer, a BH meter and a Q Card Mag‑3® analyser. The window plots and print-outs travel with the delivery, so you can pass verification straight on to your own customer.

What customers tell us sets Greencorp apart is the technical liaison. You are talking to the people who formulated the product.

Coercivity is the field intensity required to reduce the tape's induction from saturation back to zero — in practice, a measure of how well encoded data resists erasure by stray magnetic fields. It is measured in oersted (Oe). Low-coercivity tape encodes easily and suits tickets, membership and general-use cards; high-coercivity tape holds data far more stubbornly, which is what credit and ID applications need.

Select a band to filter the product matrix.

ISO — the International Organization for Standardization — sets the performance requirements for magnetic stripe on identification cards. Greencorp products meet or exceed the magnetic and physical requirements of the three standards that matter for this product class, and the same standards govern testing of the laminated stripe on the finished card.

What the magnetic measurements mean

Coercivity — the field intensity required to reduce the induction from saturation to zero.

Remanence — the induced flux remaining in the tape after a longitudinally applied field is reduced from 1000 Oe to zero.

Squareness — the ratio of residual flux density (Br) to saturation flux density (Bm).

Together these determine how the tape responds to square-wave signal encoding, which is why they are the properties that decide whether a stripe reads cleanly in the field.