These are U.S. Standard and Metric (B.S.) Standard wire mesh sieves. Each test sieve is supplied with a serial number and a matching certificate of compliance. The test sieves are constructed of metal frames which are seamless and have extended bottoms. Test sieves are used to do sample selection and classification for soil, aggregates and stones.

We can supply two kinds of standard test sieves as following:
ISO Standard Sieves

Test Sieves are manufactured from stainless steel mesh and supplied with full-depth frames. Double frame test sieves, Dia:19,23,33cm.
Test Sieves sizes are as per 38μm, 45μm, 53μm, 63μm, 75μm, 80μm, 90μm, 100μm, 106μm, 125μm, 150μm, 160μm, 180μm, 200μm, 212μm, 250μm, 300μm, 315μm, 355μm, 400μm, 425μm, 500μm, 600μm, 630μm, 710μm, 800μm, 850μm, 1.00mm, 1.18mm, 1.25mm, 1.40mm, 1.60mm, 1.70mm, 2.00mm, 2.36mm, 2.50mm, 2.80mm, 3.35mm, 4.00mm, 4.75mm.