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PVC- Polyvinyl chloride. Available thickness: 0.30, 0.32, 0.38, 0.50, 0.54, 0.60, 0.76, 0.84 (mm). PET- Polyethylene terephthalate Available thickness: 0.30, 0.38, 0.76 (mm). ABS- Acrylonitrile Butadiene Styrene copolymer. Available thickness: 0.80, 0.82 (mm). Paper- Available thickness: 0.24, 0.30, 0.36 (mm). Metal- Available thickness: per your request (mm). The appearance of the PET cards, however, is more vulnerable to extensive use than is the case for PVC cards, i.e. more fine lines develop from repetitive use in reading apparatus. Cards of ABS are priced similarly to PVC cards, while PET cards are 10-25 % more expensive. Both ABS and PET are regarded as realistic substitution materials for a large fraction of the PVC card mass. Also, such cards may be produced without considerable changes of technology or machinery. The use of PET however, does not permit laser inscription of photos etc., whereas ABS seems inappropriate for embossing with the existing technology.
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