EN European Norm Tests Part 104

EN Standards are European Standards. These standards specify requirements for a particular item, material, component, system or service, or describe in detail a particular method or procedure, and tests are performed accordingly.

• EN 20090-3: 1993; Light gauge metal containers. Definitions and determination methods for dimensions and capacities. aerosol cans
• EN 20105-A01 : 1993 ; Textile. Color fastness tests. General testing principles
• EN 20105-A02 : 1993 ; Textile. Color fastness tests. Gray scale to evaluate change in color
• EN 20105-A02 : 1994 ; Colour scale. Textile. Color fastness tests. Gray scale (including half steps) to evaluate color change
• EN 20105-A02 : 1995 ; Textile. Color fastness tests. Gray scale to evaluate change in color
• EN 20105-A03 : 1993 ; Textile. Color fastness tests. Gray scale to evaluate the staining
• EN 20105-A03 : 1995 ; Textile. Color fastness tests. Gray scale to evaluate the staining
• EN 20105-B02 : 1993 ; Textile. Color fastness tests. Color fastness to artificial light (xenon arc flashing lamp test)
• EN 20105-C01 : 1993 ; Textile. Color fastness tests. Color fastness to washing : Test 1
• EN 20105-C02 : 1993 ; Textile. Color fastness tests. Color fastness to washing : Test 2
• EN 20105-C03 : 1993 ; Textile. Color fastness tests. Color fastness to washing : Test 3
• EN 20105-C04 : 1993 ; Textile. Color fastness tests. Color fastness to washing : Test 4
• EN 20105-C05 : 1993 ; Textile. Color fastness tests. Color fastness to washing : Test 5
• EN 20105-C06 : 1993 ; Textile. Color fastness tests. Color fastness to domestic and commercial laundry
• EN 20105-N01 : 1995 ; Textile. Color fastness tests. Color fastness to bleaching : hypochlorite
• EN 20139: 1992; Textile. Standard atmospheres for conditioning and testing.
• EN 20140-2: 1993; Determination, verification and application of precision data.
• EN 20140-9: 1994; Acoustic. Measurement of sound insulation in buildings and structural elements. Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum on it
• EN 20140-10: 1992; Acoustic. Measurement of sound insulation in buildings and structural elements. Laboratory measurement of airborne sound insulation of small building elements
• EN 20187: 1993; Paper, cardboard and pulp. Standard atmosphere for conditioning and testing, and procedure for monitoring the atmosphere and conditioning of samples.
• EN 20225 : 1992 ; Connectors. Bolts, screws, studs and nuts. Symbols and definitions of dimensions.
• EN 20273: 1992; Connectors. Spacer holes for bolts and screws.
• EN 20284 : 1993 ; Conveyor belts. Electrical conductivity. Specification and test method.
• EN 20286-1: 1993; ISO limit and compliance system. ISO limit and compliance system. Tolerance, deviation and compliance fundamentals
• EN 20286-2: 1993; ISO limit and compliance system. ISO limit and compliance system. Tables of standard tolerance degrees and limit deviations for holes and shafts
• EN 20287: 1994; Paper and wood. Determination of moisture content. Oven drying method.
• EN 20340: 1993; Conveyor belts. Flame delayer. Features and test method.
• EN 20354: 1993; Acoustic. Measuring sound absorption in an echo chamber.
• EN 20534 : 1993 ; Method for determining the thickness and apparent bulk density or apparent layer density of paper and board.
• EN 20535: 1994; Paper and wood. Determination of water absorbency. Cobb method.
• EN 20544: 1991; Characteristics of the dimensions of filler metals for manual welding.
• EN 20594-1 : 1994 ; Conical fittings with 6% (Luer) taper for syringes, needles and some other medical equipment. General Requirements
• EN 20780: 1993; Packaging. Pictorial marking for the transport of goods.
• EN 20811 : 1992 ; Textile. Determination of resistance to water penetration. Hydrostatic pressure test.
• EN 20865: 1992; Slots in rollers for projection welding machines.
• EN 20898-1 : 1992 ; Mechanical properties of fasteners. Bolts, screws and studs
• EN 20898-2 : 1992 ; Mechanical properties of fasteners. Nuts with specified test load values
• EN 20898-2 : 1994 ; Mechanical properties of fasteners. Nuts with specified proof load ratings. coarse yarn
• EN 20898-6 : 1992 ; Mechanical properties of fasteners. Nuts with specified proof load ratings. fine pitch thread
• EN 20898-7: 1995; Mechanical properties of fasteners. Torsion test and minimum torques for bolts and screws with nominal diameters from 1 mm to 10 mm
• EN 21089: 1992; The electrode taper is suitable for spot welding equipment. Dimensions.
• EN 21539 : 1992 ; Information Technology. programming languages. FORTRAN.
• EN 21559 : 1992 ; Specification for alloys for dental amalgam.
• EN 21561 : 1992 ; Specification for dental inlay casting wax.
• EN 21564 : 1991 ; Dental agar impression material specification.
• EN 21683 : 1994 ; Acoustic. Preferred reference quantities for acoustic levels.
• EN 21746: 1993; Rubber or plastic hoses and pipes. Bending tests.
• EN 21864 : 1991 ; Computing. Unsaved 12,7 mm (0 inch) wide magnetic tape for information exchange. 5 ftpmm (32 ftpi) NRZ800, 1ftpmm (126 3 ftpi) phase coded and 200 ftpmm (356 9 ftpi), NRZ042 ;
• EN 21864 : 1994 ; Information Technology. Unsaved 12,7 mm (0,5 inch) wide magnetic tape for information exchange. 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3 200 ftpi) phase coded and 356 ftpmm (9 042 ftpi) NRZ1 ;
• EN 21942-1 : 1992 ; Dental dictionary. General and clinical terms
• EN 21974 : 1994 ; Paper. Determination of tear resistance (Elmendorf method).
• EN 22063: 1994; Metallic and other inorganic coatings. Thermal spray. Zinc, aluminum and its alloys.
• EN 22206: 1993; Complete, filled transport packages. The method of identifying parts during testing.
• EN 22233: 1993; Complete, filled transport packages. Conditioning method for the test.
• EN 22234 : 1993 ; Complete, filled transport packages. Test methods for stacking using a static charge.
• EN 22244: 1993; Complete, filled transport packages. Method for determining resistance to horizontal impact.
• EN 22247: 1993; Complete, filled transport packages. Method for determining resistance to constant low-frequency vibration.
• EN 22248 : 1993 ; Complete, filled transport packages. Method of determining resistance to vertical impact by falling.
• EN 22286 : 1994 ; Methods for determining the length and width of a roll, the net mass and average mass per unit area of ​​a piece, cut, roll or sample, and for determining the thickness for coated fabrics.
• EN 22313 : 1992 ; Textile fabrics. Determination of recovery from the crease of a horizontally folded sample by measuring the recovery angle.
• EN 22401 : 1994 ; closed electrodes. Determination of efficiency, metal recovery and deposition coefficient.
• EN 22553: 1995; Welded, brazed and brazed connections. Symbolic representation in drawings.
• EN 22592: 1994; Test methods for petroleum and its products. Petroleum products. Determination of flash and fire points. Cleveland open cup method.
• EN 22719 : 1994 ; Test methods for petroleum and its products. Petroleum products and lubricants. Determination of flash point. Pensky-Martens closed cup method.
• EN 22768-1: 1993; General tolerances. Tolerances for linear and angular dimensions without individual tolerance indicators
• EN 22768-2: 1993; General tolerances. Geometric tolerances for features without individual tolerance indicators
• EN 22872: 1993; Complete, filled transport packages. Method for determining resistance to compression.
• EN 22873: 1992; Complete, filled transport packages. Method for determining resistance to low pressure.
• EN 22874: 1993; Complete, filled transport packages. Test method for stacking using a compression tester.
• EN 22875 : 1993 ; Complete, filled transport packages. Method for determining resistance to water spray.
• EN 22876: 1993; Complete, filled transport packages. A method of determining resistance to damage by rolling.
• EN 22922: 1993; Acoustic. Measurement of the noise emitted by ships in inland waterways and ports.
• EN 23015: 1994; Petroleum products. Determination of cloud point.
• EN 23035: 1994; One-sided and one-wall corrugated cardboard. Determination of flat crush resistance.
• EN 23134-1: 1991; Light metals and their alloys. Terms and definitions. Materials
• EN 23134-2: 1991; Light metals and their alloys. Terms and definitions. unprocessed products
• EN 23134-3: 1991; Light metals and their alloys. Terms and definitions. forged products
• EN 23134-4: 1991; Light metals and their alloys. Terms and definitions. castings
• EN 23166: 1994; Codes for displaying country names.
• EN 23270: 1991; Temperature and humidity characteristics for conditioning and testing paints, varnishes and their raw materials.
• EN 23312 : 1993 ; Sintered metal materials and hard metals. Determination of Young's modulus.
• EN 23326 : 1993 ; Specification for hard metals. Determination of (magnetization) coercion.
• EN 23327 : 1993 ; Hard metals. Determination of transverse breaking strength.
• EN 23369: 1993; Impermeable sintered metal materials and hard metals. Determination of density.
• EN 23630-2: 1992; Dental root canal instruments. Features for magnifiers
• EN 23758 : 1994 ; Textile. Note the labeling code using symbols.
• EN 23907 : 1993 ; Hard metals. Determination of total carbon content. Gravimetric method.
• EN 23908: 1993; Hard metals. Determination of insoluble (free) carbon content. Gravimetric method.
• EN 23909 : 1994 ; Hard metals. Cobalt determination. Potentiometric method.
• EN 23923-1: 1993; Metallic powders. Determination of apparent density. Funnel method
• EN 23923-2: 1993; Metallic powders. Determination of apparent density. Scott volumetric method
• EN 23927 : 1993 ; Specification for metallic powders, excluding powders for hard metals. Determination of compressibility (compressibility) in uniaxial compression.
• EN 23953 : 1993 ; Metallic powders. Determination of tap density.
• EN 23954 : 1993 ; Powders for powder metallurgical purposes. Sampling.
• EN 23994 : 1993 ; Plastic products. Polymer reinforced thermoplastic hose for suction and discharge.
• EN 23995 : 1993 ; Specification for metallic powders. Determination of green strength by transverse rupture of rectangular compacts.
• EN 24003: 1993; Permeable sintered metal materials. Determination of the bubble test pore size.
• EN 24006 : 1993 ; Measurement of fluid flow in closed channels. Words and symbols.
• EN 24014 : 1992 ; Hex head bolts. Product classes A and B.
• EN 24015 : 1992 ; Hex head bolts. Product quality B. Reduced shaft (shaft diameter pitch diameter).

Standards facilitate international trade by ensuring compatibility and interoperability of components, products and services. European Standards (ENs) are documents approved by three European Standardization Organizations (ESO), CEN, CENELEC or ETSI; Recognized as competent in the field of voluntary technical standardization for EU Regulation 1025/2012.