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The exact HS Code can vary depending on the specific type of polymer blend and its intended use. Manufacturers and exporters must ensure they are using the correct HS Code when shipping RDP, as misclassification can result in delays, fines, or a complete rejection of shipments.

Uses of Hydroxypropyl Methylcellulose

2. Molecular Weight and Hydroxypropyl Content The molecular weight and the ratio of hydroxypropyl to methyl groups vary among different grades. A higher hydroxypropyl content generally leads to a more soluble polymer in cold water, enhancing its use in applications like food and pharmaceuticals where solubility is paramount. For example, HPMC with a higher hydroxypropyl content is often utilized in pharmaceutical applications for controlled drug release and increased solubility.

Understanding HPMC

Cement bonding additives are also invaluable in improving adhesion in repair scenarios. When applying new concrete over existing surfaces, achieving a strong bond is critical. Bonding additives ensure that the new layer adheres well to the old, preventing delamination and extending the lifespan of repairs. This is particularly crucial in maintaining infrastructure, where the costs of replacement can be substantial.