NBN EN 10301 : 2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Coating material
   4.1 General
   4.2 Qualification of coating materials
        4.2.1 General
        4.2.2 Non-volatile matter (by mass)
        4.2.3 Viscosity at (23 +/- 2) degree C
        4.2.4 Density
        4.2.5 Ash content
        4.2.6 Pot-life
        4.2.7 Appearance
        4.2.8 Dry film thickness
        4.2.9 Adhesion test - Cross-cut test
        4.2.10 Buchholz hardness
        4.2.11 Resistance to neutral salt spray
        4.2.12 Ageing test
        4.2.13 Bend test - Conical mandrel
        4.2.14 Resistance to gas pressure variation
        4.2.15 Resistance to hydraulic blistering
        4.2.16 Resistance to water immersion
        4.2.17 Chemical resistance
        4.2.18 Infrared analysis
   4.3 Technical documentation
   4.4 Packaging
5 Information to be supplied by the purchaser
6 Application of the coating
   6.1 Surface preparation
   6.2 Composition of the coating
        6.2.1 Coating material preparation
        6.2.2 General requirements for coating material
               application
7 Requirements of the applied coating
   7.1 General
   7.2 Appearance
   7.3 Dry film thickness
   7.4 Curing test
   7.5 Porosity test
8 Inspection
   8.1 General
   8.2 Documents
   8.3 Sampling
   8.4 Nature and frequency of testing and control
   8.5 Retests
9 Repairs
10 Marking
11 Handling, transportation and storage
   11.1 Handling
   11.2 Transportation to the storage area
   11.3 Storage
   11.4 Loading of tubes for delivery
Annex A (normative) Ash content
   A.1 General
   A.2 Apparatus
   A.3 Procedure
   A.4 Results
Annex B (normative) Dry film thickness
   B.1 General
   B.2 Apparatus
   B.3 Procedure
   B.4 Results
Annex C (normative) Resistance to gas pressure
        variations
   C.1 General
   C.2 Apparatus
   C.3 Procedure
        C.3.1 Cyclic pressure test
        C.3.2 Decompression blistering test
   C.4 Results
Annex D (normative) Resistance to hydraulic blistering
   D.1 General
   D.2 Apparatus
   D.3 Procedure
   D.4 Results
Annex E (normative) Porosity of the film on glass
        panels
   E.1 General
   E.2 Apparatus
   E.3 Procedure
        E.3.1 Sample preparation
        E.3.2 Wet film porosity
        E.3.3 Dry film porosity
   E.4 Results
Annex F (normative) Wet sponge test
   F.1 General
   F.2 Apparatus
   F.3 Procedure
   F.4 Results
Bibliography

Covers the application requirements and methods of test of liquid applied epoxy paints on the internal surface for the reduction of friction of tubes and pipeline fittings for conveyance of non-corrosive gas.