BS EN 15507:2017 pdf download.Packaging – Transport packaging for dangerous goods – Comparative material testing of polyethylene grades.
BS EN 15507 specifies material parameters, test requirements and procedures for the comparative testing of polyethylene grades of high molecular weight high density polyethylene (PE-HD11MW) and medium molecular weight high density polyethylene (PE-HD-MMW), used for the manufacture of packaging and IBCs for the transport of dangerous goods. It is intended to be used in conjunction with selective testing for packaging for liquids. The standard is not intended to be used for comparative testing of recycled plastics material.
NOTE This European Standard is intended to be used in conjunction with one or more of the international regulations set out In the Bibliography.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN ISO 179-1:20 10, Plastics – Determination of Charpy impact properties – Part I: Non-instrumented impact test (ISO 179-1:2010)
EN 150 1133-1, Plastics – Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplostics – Part 1: Standard method (ISO 1133-1)
EN ISO 1183-1, Plastics – Methods for determining the density of non-cellular plastics – Part 1: Immersion method, liquid pyknometer method and titration method (ISO 1183-1)
EN ISO 13274:2013, Packaging- Transport packaging for dangerous goods – Plastics compatibility testing for packaging and IBCs (ISO 132 74 :2013)
EN ISO 16495:2013, Packaging – Transport packaging for dangerous goods – Test methods (ISO 16495:2013)
EN ISO 17855-2:2016, Plastics – Polyethylene (PE) moulding and extrusion materials – Parc 2: Preparation of test specimens and determination of properties (ISO 17855-2:2016)
ISO 16770:2004, Plastics — Determination of environmental stress cracking (ESC) of polyethylene — Full- notch creep test (FNCT)
3 Terms and definitions
For the purposes of this document the following apply.
high molecular weight high density polyethylene
PE-HD-HMW
natural Polyethylene with a density of> 940 kg/rn3, when measured at 23 °C after annealing at 100 °C for 30 mm, and a melt mass-flow rate at 190 °C/21,6 kg load of< 12 g/600 s when measured according to EN ISO 1133-1
3.2 medium molecular weight high density polyethylene PE-HD-MMW natural polyethylene with a density of> 940 kg/rn3, when measured at 23 °C after annealing at 100 °C for 30 mm, and a melt mass-flow rate at 190 °C/2,16 kg load of <0,5 g/600 s and > 0,1 g/600 s in accordance with EN ISO 1133-1. or a melt mass-flow rate at 190 °C/5 kg load < 3,0 g/600 s and > 0,5 g/600 s in accordance with EN ISO 1133-1
Note 1 to entry: Natural Polyethylene refers to material with no pigments or colorants.
4 Test requirements
4.1 General
When a manufacturer of a plastics packaging or IBC wants to change to a new grade of high density polyethylene for its manufacture, test results to the following requirements may be used in conjunction with a selective testing procedure to reduce the amount of design type testing of the design type with the new polyethylene grade.
As a minimum requirement, a test with water as the test medium in accordance with EN ISO 16495 shall be carried out for the packaging design type manufactured from the new polyethylene grade.
The test requirements in 4.2 to 4.6 shall be met in the comparative testing of the polyethylene grade with existing approvals, (Material A), and the replacement polyethylene grade, (Material B).The comparative testing of the polyethylene grades to the procedures defined in 7.1 to 7.5 shall be carried out concurrently in a single laboratory. For the procedures 7.2 to 7.5, test sheets (see 5.2) compression moulded by the same mould type (e.g. using a positive mould or semi-positive mould) shall be used.
4.2 Melt mass-flow rate (MFR)
When tested in accordance with 7.1 the value of melt mass-flow rate shall be within the following limits:
70% MFR Material A < MFR Material B < 130 % MFR Material A.
NOTE The determination of melt mass-flow rate is solely intended as a classification test for the polyethylene grade and does not relate to any of the tests for packaging described in EN ISO 13274 or EN ISO 16495.
4.3 Density
When tested in accordance with 7.2 the density in kg/rn3 shall be:
— Density Material B (DB) Density Material A (DA) — 2.BS EN 15507 pdf download.
BS EN 15507:2017 pdf download
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