2505.10.10.00 - Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron 🖩

This HTS category, 2505.10.10.00, specifically covers silica sands and quartz sands that meet stringent purity requirements. The defining characteristic of this classification is a high silica content, requiring the sand to contain 95 percent or more silica by weight. Additionally, there is a strict limitation on iron oxide presence, with no more than 0.6 percent allowed by weight. These specifications indicate that the sand is highly refined and intended for applications where such purity is essential, such as in the manufacturing of glass, ceramics, and specialized foundry molds.

Distinguishing this category from its sibling, 2505.10.50.00 ("Other"), is crucial for accurate classification. While both fall under the broader heading of silica and quartz sands, the sibling category encompasses all other silica and quartz sands that do not meet the precise chemical composition outlined in 2505.10.10.00. This means any silica or quartz sand with less than 95 percent silica, or more than 0.6 percent oxide of iron, would likely fall into the "Other" category. Therefore, the key differentiator is the specified minimum silica and maximum iron oxide content.

As this is a leaf node in the HTS classification system, there are no further subcategories to introduce. The classification concludes at this level, emphasizing the specific purity criteria as the sole determinant for goods falling under 2505.10.10.00. Classification at this level relies entirely on analytical testing to confirm the percentage of silica and oxide of iron present in the imported or exported sand.