For aggregate testing, M&L Testing Equipment provides a large selection of sieves including ASTM testing sieves in a variety of sizes and mesh configurations. These sieves can be used in all types of sieve testing applications, from sampling and classification of soils, aggregates and other powdered and granular materials to specific ASTM standard tests. These sieves are of the highest quality to ensure consistent fit, accurate specifications and durable construction. M&L Testing Equipment also provides the micron air jet sieve and accessories for analyzing particle size distribution of dry powders.