If you need a PDF specifically for , use it for the first 10 chapters (Inorganic industries). For polymer science and biochemistry, supplement it with newer authors (e.g., Jain & Jain or Dryden).
While full-text "free" downloads of copyrighted books are often restricted, several platforms provide legal previews or community-uploaded modules: industrial chemistry by b.k. sharma free pdf download
Many institutions provide digital access via their internal portals. If you need a PDF specifically for ,