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Synthetic Reinforcement Fibre Barchip F

Supplier: Elastoplastic Concrete

It is now widely accepted that the addition of fine monofilament polypropylene fibres to concrete will significantly reduce explosive spalling during fires.

Price Guide: POA

Synthetic Reinforcement Fibre  Barchip F

Description

It is now widely accepted that the addition of fine monofilament polypropylene fibres to concrete will significantly reduce explosive spalling during fires.

What is Spalling?

Heating of a concrete element causes any retained moisture in the structure to rapidly expand and explode a small layer of concrete from the surface.

This will continue during a fire until substantial damage through loss of section occurs in the structure.

Spalling can occur as early as 10 to 15 minutes into a fire when surface temperatures reach as little as 200 degree Celsius.

How do the fibres work?

Once the temperature reaches 160 degrees Celsius, the fibres melt. This creates a multitude of tiny pathways through which the retained moisture can escape in a non-violent manner, thus reversing the increase in pressure within the concrete mass.

The addition of 1 kg/m3 of Barchip F is an extremely cost effective method of fire protection for concrete structures.

  • Plastic shrinkage
  • Passive Fire Protection

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