Polyvinyl alcohol (PVA) is a synthetic polymer that is widely used in various industries, including textiles, adhesives, packaging, and personal care. PVA is available in different forms, including powder, film, and gel, and has many advantages that make it an attractive option in many applications.
By Hou
Aluminum ingots are commonly used in various industries and applications due to their versatility and strength. They are produced by melting raw aluminum and then pouring it into molds to form solid blocks or bars.
By Helen
