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Determination of the melt mass-flow rate (MFR) of thermoplastics.
Test methods
The sample is subjected to melting and extrusion in a measuring cylinder through a specific longitude and diameter matrix under predefined temperature and load conditions. The extrusion speed result is expressed in g/10 min.
Products to test
Plastics piping systems for civil works for water in:
Conveyance of drainage and sewerage under pressure made of Polyethylene (PE) EN 12201-1, -2, -3, -5 / ISO 4427.
Buried drainage and sewage without pressure (structured wall) made of Polyethylene (PE) EN 13476-1, -2, -3.
Buried drainage and sewage without pressure (structured wall) made of Polypropylene (PE) EN 13476-1, -2, -3.
Plastics piping systems for hot and cold water in buildings made of:
Polypropylene (PP) EN ISO 15874-1, -2, -3, -5
Polybutylene (PP) EN ISO 15876-1, -2, -3, -5
Plastics piping systems for building and discharge of waste water made Polypropylene (PP) EN 1451-1.
Plastics piping systems for civil works for gaseous fuels.Polyethylene (PE).(EN 1555-1, -2, -5 / ISO 4437).
