With each laboratory test sieve comes a CERTIFICATE OF COMPLIANCE applicable to ASTM E 11 specifications bearing the serial number of your sieve and the ship date. All safeguards are in place to support and ensure your quality assurance program. Compare Advantech's woven wire cloth analytical test sieves against any others for precision, price and delivery. You'll see why Advantech has truly been the ""measure of quality control"" for years. We take great care with every single test sieve by having multiple points of inspection built into our process to ensure impeccable quality. We use a measurement system for our fine, medium and coarse woven wire cloth. Die-formed frames assure a proper fit, superior quality and performance, guaranteeing that the American Society for Testing Materials (ASTM) specifications are always met. Our large inventory allows for prompt delivery.