• Definition: PE paper is a type of paper coated on one or both sides with polyethylene (PE), making it resistant to water and oil.
• Applications:
  • Food packaging (e.g., fast food wrappers, milk, and juice cartons).
  • Waterproof labels.
  • Disposable products (e.g., plates, cups).
• Advantages:
  • Waterproof.
  • Durable and flexible.
  • Recyclable (with proper methods)

      Sulphite Paper:

• Definition: Sulphite paper is made from wood pulp processed using the sulphite method. It is typically smooth, soft, and slightly glossy.
• Applications:
  • Food packaging (e.g., candy wrappers, chocolate coverings).
  • Industrial packaging.
  • Artistic use (certain printing papers).
• Advantages:
  • Thin and lightweight.
  • Suitable for food contact.
  • Has a smooth surface.