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  • We Tell You How to Make Polyester Flag Fabric
    FIRST STEPSThe Polyester Flag Fabric molecules themselves are made by the condensation polymerisation of a carboxylic acid and an alcohol in a vacuum at very high temperature. The exact details of the process vary between forms of polyester and between manufacturers and tend to be closely guarded trade secrets. The newly-formed polymer is then forced out of the machine in the form of a ribbon...
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