Specifies requirements for materials used in factory-cast polyurethane sealing elements used in joints for drainage, sewerage and rainwater systems and non-potable water supply for continuous flow up to 45 degrees Celsius.
Table of contents
Header
About this publication
PREFACE
1 Scope
2 Normative references
3 Material requirements
4 Requirements
4.1 Materials
4.2 Finished seal requirements
4.2.1 Dimensional tolerances
4.2.2 Imperfections and defects
4.2.3 Hardness
4.2.4 Tensile strength and elongation at break
4.2.5 Compression set in air
4.2.5.1 General
4.2.5.2 Compression set at 23 °C and 70 °C
4.2.5.3 Low temperature compression set at -10 °C
4.2.6 Accelerated ageing in air
4.2.7 Stress relaxation in compression
5 Test pieces and temperature
5.1 Preparation of test pieces
5.2 Test temperature
6 Factory production control
7 Factory product control tests
7.1 Sampling
7.2 Routine tests
7.3 Type tests
8 Marking
Annex ZA
ZA.1 Scope and clauses of the European Standard addressing the essential characteristics of the EU Construction Products Directive
ZA.2 Systems of attestation of conformity
ZA.3 CE Marking
Cited references in this standard
Content history
DR 06714
EN 681-4:2000
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