PP (AlphaPlus®) sheets, tubes and rods

Application:
PP is a low priced plastic material that has many uses. It is resistant to fluids and solvents along with most other chemicals, which makes it ideal in for use in the chemical- as well as the foods and beverage industries. E.g.::
  • Tube/pipe systems
  • Containers
  • Cannisters
  • Welded sheet constructions
  • Lining
  • Filters
  • Pump parts
  • Auto clave parts
  • Washers
  • Parts in washing machines

Caution; PP can:
  • Become brittle in below zero temperatures
  • Float cold in high stress influence
  • Be attacked by UV-radiation / out doors
  • Be attacked by strong oxidation agents
  • Not be used for high wear parts
  • Loose much of its stiffness in increasing temperatures

Characteristics:
PP is a semi crystalline material that is resistant to most chemicals and it does not absorb water.
 
Mechanical:
PP (PP-H homo-polymer) is more rigid then PE-HD, but has a lower charpy strength. Impact modified PP-C (copolymer) can however reach a very high charpy strength. PP tends to loose its stiffness in higher temperatures just like PE-HD. PP is flexible which makes it suitable in joints because it can bend countless times without breaking. PP has - just like PE - a tendency to float cold in moderate wear. The allowable deformation is in this case however sizable (about 2,5%). Enforced qualities has better dimensional stability.
 
PP is generally: 
  • Chemical resistant
  • Usable in hot water
  • Highly electrically insulate
  • Low massed
  • High wear strength
  • High impact strength
  • Not moisture absorbent
  • Easy to weld
  • Hydrolysis resistant

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