Today, PVC is the third largest-selling commodity plastic in the world after PE and PP, but PVC would not be a particularly useful substance without additives to soften it, colour it, make it more processible or longer lasting
HPMC equally applied to make alcohol gel as carbopol polymer has highly efficient thickening and suspension properties, and has the characteristics of drip-free. It is widely used in transparent gels, water-alcohol gels, creams and other systems, and can form crystal clear water-based or water-alcohol gels.
HPMC is a variety of nonionic cellulose mixed ether white powder. It improves the consistency, the stability, and the water retention of water based products. The major properties of optical brighteners include: