{"id":6620,"date":"2025-06-18T12:00:00","date_gmt":"2025-06-18T18:00:00","guid":{"rendered":"https:\/\/railport.com.mx\/?p=6620"},"modified":"2026-02-23T12:29:46","modified_gmt":"2026-02-23T18:29:46","slug":"screening-bagged-process","status":"publish","type":"post","link":"https:\/\/railport.com.mx\/en\/screening-bagged-process\/","title":{"rendered":"Bagging and sieving: quality control for impeccable logistics"},"content":{"rendered":"\n

In the bulk logistics sector, where quality and efficiency are key, processes such as bagging and screening play a vital role. These operations not only facilitate transportation but also ensure the consistency and value of the final product.<\/p>\n\n\n\n

If your company handles bulk materials, understanding the impact of these services is key to an optimized supply chain. In this post, we explain what screening and bagging are, how they are performed, and why they are essential in multimodal logistics, especially in transloading operations like the ones we handle at Railport.<\/p>\n\n\n\n

What is bagging?<\/h2>\n\n\n\n

Bagging is the process by which a bulk product (such as minerals<\/strong><\/a>, grains or chemicals) is introduced and sealed in sacks or bags of different sizes and materials.<\/p>\n\n\n\n

This packaging method is essential to protect merchandise from moisture, contamination, and loss during transportation and storage. It allows for easier handling and better quantity control, facilitating distribution to end customers who require specific formats or unit loads.<\/p>\n\n\n\n

What is sieving?<\/h2>\n\n\n\n

Sieving, also known as screening, is a process for separating bulk materials based on particle size. Using mesh screens or sieves with specific openings, the material is classified, eliminating impurities, clumps, or particles of undesired size.<\/p>\n\n\n\n

This process is crucial to ensuring the homogeneity and quality of the final product, especially in industries where particle size distribution is a critical factor. For example, in Mexico, for the construction industry, the quality of screened aggregates is vital to the strength of concrete, directly impacting the safety of construction projects. Likewise, the agricultural sector uses sieving for more than 60% of its grain exports to comply with international quality standards.<\/p>\n\n\n\n

How is the sieving test done?<\/h2>\n\n\n\n

The sieve test, or particle size analysis, is a standardized procedure for determining the particle size distribution of a material. It is performed using a set of sieves with progressively smaller openings, arranged from largest to smallest.<\/p>\n\n\n\n

The process includes:<\/p>\n\n\n\n