The specified dimensions of the first type specimen for the Charpy Test of plastic pipe in the Class J – Charpy and Izod Automatic Impact Testing System are as follows:

• Length: 100±2mm
• Width: Whole pipe
• Thickness: 70±0.5mm

The specimen length is controlled within a 2mm tolerance to ensure measurement consistency. The width of the specimen, in the case of a whole pipe, is not specified in a specific measurement. This indicates that the entire pipe width is used. The specimen thickness is maintained within a 0.5mm tolerance to adhere to standardized dimensions. These specifications ensure that the testing process is conducted on a consistent and representative sample of plastic pipe.

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