1. What is HPMC?
- HPMC stands for hydroxypropyl methylcellulose. It is a non-ionic cellulose ether compound obtained by chemical modification of natural cellulose.
2. What are the properties of HPMC?
- HPMC is non-toxic, odorless, tasteless, and white powder.
- It has excellent water retention, film forming, thickening, and adhesive properties.
- It is resistant to enzymes, salt, and acids.
- It can be used in a wide pH range.
3. What are the applications of HPMC?
- HPMC is widely used as a thickener, binder, film former, and stabilizer in various industries, such as construction, pharmaceuticals, food, cosmetics, and textiles.
- In the construction industry, it is used as a cement additive, tile adhesive, and mortar for wall plastering.
- In pharmaceuticals, it is used as a coating material and sustained-release agent for tablets and capsules.
- In food, it is used as a thickener and emulsifier for sauces, dressings, and bakery products.
- In cosmetics, it is used as a thickener, emulsifier, and film former for creams, lotions, and hair products.
- In textiles, it is used as a sizing agent and thickener for printing pastes.
4. Tips for selecting HPMC products online:
- Check the purity and grade of the HPMC product. High-quality HPMC should have a purity of at least 99%, and the grade may vary depending on the specific application.
- Check the viscosity range of the HPMC product. The viscosity determines the thickening and water retention properties of the HPMC, and it should be selected according to the desired consistency and texture of the final product.
- Check the particle size and bulk density of the HPMC product. These parameters affect the flowability and dispersibility of the HPMC in the formulation.
- Check the packaging and storage conditions of the HPMC product. It should be packed in moisture-proof bags and stored in a dry and cool place to avoid clumping or degradation.
- Check the supplier's reputation and customer reviews. Choose a reliable supplier with a good track record of quality and service.
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