producing products using polymers

• What are polymers used for in manufacturing?

  To produce various products
• What are the main manufacturing processes for polymers?

  • Blow moulding
  • Vacuum forming
  • Press moulding
  • Compression moulding
• What is blow moulding used for?

  Forming bottles
• How does blow moulding work?

  A soft plastic tube is inflated to fill a cavity
• What material is typically used in vacuum forming?

  HIPS or acrylic
• What happens during vacuum forming?

  A heated sheet is pulled over a mould by vacuum
• What is the process of press moulding?

  Heating polymer sheets and pressing them onto a mould
• How does compression moulding work?

  A polymer is placed in a heated mould and compressed
• What is used to close the mould in compression moulding?

  A plug
• What equipment is used in compression moulding?

  A hydraulic press