PU foam H400-AT - Insulating or filling hollow spaces - 1 kg

PUR H400-AT A-comp.1 KG


In stock

Is a 2-component structural polyurethane foam. Should always be used in combination with the B-component. After curing you get a very hard foam with a closed cell structure and skin formation with a density of 400 kg/m³. CFC-free floating agent. Resistant to chemicals and acids.

Available in 1 kg, 5 kg packaging. (A-component)

€30.50 / st



For filling hollow spaces or shapes. You can imitate wood with H 400 if you pour it into a silicone mould, for example. Also used in orthopaedics to make shoe lasts.
For the manufacture of handles. Due to the closed cell structure, suitable for long-term contact with water.

Can be painted, glued, filled, nailed and screwed. Can be coloured with 5% PUR pigment.
Attention: does not give a homogenous colour. When exposed to sunlight, the material may discolour after a while.


  • Mix both components in a 100/100 weight ratio and pour the mixture into the shape or area to be filled. 
  • The potlife is approx. 65 sec. 
  • The expansion is approx. 2.5 x the volume. 
  • Dry after 15 min. 
  • De-formable after 20 min. and fully cured after 12 hours. 
  • Make sure the processing temperature is between 20°C and 25°C. 
  • Store the foam between 10 and 25°C. 
  •  Mixing is best done with a mechanical mixer. 
  • As a release agent we recommend APW.
Always provide appropriate protective clothing and gloves. Avoid prolonged skin contact.
The use of a carbon filter mask type A2 is recommended.

Caution: container may be under pressure. 

Cleaning agent for tools: cleaner M (environmentally friendly substitute for acetone).

Technical specifications

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