Rotomolded Type 4 Tank Inner Liner

Elkamet Kunststofftechnik GmbH

  • Wide range of different dimensions possible for rotomolded type 4 tank inner liners
  • Maximum size with length of 3200mm 
  • The liners boss connector is customizable according to the customers’ specifications 
  • Length of the mold can be arranged in a modular system
  • Various successful projects realized for global OEMs, both in the hydrogen and in CNG industry

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Rotomolded Type 4 Tank Inner Liner

  • Elkamet manufactures thermoplastic liners of various sizes using rotational and extrusion blow molding processes
  • These are used, among other things, as the inner shell of pressure vessels for storing gases and liquids
  • Typical applications include hydrogen and CNG tanks
  • The thermoplastic liner serves as the inner shell
  • Mechanical strength is achieved with the aid of fiber and resin wrapping
  • One or more Boss parts are used as valve connections

Features

  • Manufactured in rotational molding process 
  • Liner can be made out of various materials:
    • PE / XPE 
    • PA11 / 12
    • PA6
    • Materials can be chosen according to customers needs and specifications
  • Various sizes are possible
    • Maximum size with length of 3200mm
  • The liners boss connector is customizable according to the customers’ specifications
  • Length of the mold can be arranged in a modular system
  • Weight reduction compared to aluminium liner
  • Good permeation barrier

Which process is suitable for your application?

Rotationalmolding-vs-Blowmolding-type 4 tank inner liner

Applications

  • Hydrogen (H2) 
  •  Compressed Natural Gas (CNG) 
  •  Nitrogen (N2) 
  •  Gases and liquids in general

Use Cases

  • CNG liner for cars / automobile 
  • H2 liner for busses, trucks and trains 
  • Liner for aeronautics  
  • Stationary and mobile H2 storage systems 

Competencies

Elkamet-Competencies

Contact us

  • Fill up the form to contact us. We are happy to learn about your requirements.
Brand Elkamet
Manufacturing Readiness (MRL) 0
Technology Readiness (TRL) 0
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