2 Reinforcement e.g. glass fibres or spheres, to improve the tensile modulus
and strength (see Chapter 6 for details of composites).
3 Plasticizers to enable molecular chains to slide more easily past each other,
hence making the plastic more flexible.
4 Stabilizers to enable the material to resist degradation better.
5 Flame
retardants
to improve the fire resistance properties.
6 Lubricants and heat
stabilizers
to assist the processing of the material.
7 Pigments and dyes to give colour to the material.
Piasticization
An important group of additives are called
plasticizers.
Their primary purpose
is to enabl ...
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