| 摘要 |
Method to produce bowls of a plastic material, whereby polypropylene is mixed with an additive and/or dye after suitable dosing and is introduced into a moulding press, wherein it is heated to 180-210.degree.C, and is then injected into a mould, where it is kept under a further pressure for 20-60 seconds, the product then being extracted and cooled in water before removal of flash so as to produce the bowl. Bowl consisting of polypropylene and produced according to the above method.
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