Polycarbonate stops bullets, but it's also notoriously soft, scratches easily, it's a thermoplastic (so it melts with heat), and it's soluble in ammonia or acet

Polycarbonate stops bullets, but it's also notoriously soft, scratches easily, it's a thermoplastic (so it melts with heat), and it's soluble in ammonia or acetone (so it's vulnerable to nail polish remover). Other than all that, polycarbonate is a perfect plastic.