Testing and Analysis

Testing and Analysis

The Center is committed to build up the ability and infrastructure for testing high performance fibers, fiber preforms, resin matrix composites, etc., covering the abilities of testing and evaluating the physical and chemical properties, mechanical properties, thermal properties and aging properties of composite materials, and master the methods for determining product properties associated with various applications such as aerospace, military and civilian applications.

Test item Applied standard
Appearance GB/T 18369-2008 6.1
Fiber diameter GB/T 7690.5
Moisture content GB/T 9914.1
Combustible matter content GB/T 9914.2
Linear density GB/T 7690.1
Tensile breaking strength GB/T 7690.3
Bending strength of polyester rod GB/T 14208.2
Tensile strength, modulus and elongation of impregnated rovings GB/T 20310,GB/T 26749
Choppability, dispersivity GB/T 18369-2008
Catenary GB/T 18369-2008
Stiffness GB/T 7690.4
Tensile strength of NOL ring ( dry + wet) GB/T 1458
Shear strength of NOL ring ( dry + wet ) GB/T 1458
Filament strength ISO 11566
Alkali resistance ( basalt) GB/T 25045-2010
Solubility in acetone ISO 15039
Sizing agent content GB/T 29761
Density ISO 10119
Fabric thickness GB/T 7689.1
Fabric width GB/T 7689.3
Fabric count GB/T 7689.2
Mass per unit area GB/T 9914.3
Moisture content GB/T 9914.1
Combustible matter content GB/T 9914.2
Tensile breaking strength GB/T 7689.5
Alkali resistance of mesh fabric GB/T 20102
Tearing strength GB/T 18372-2008
Bursting strength GB/T 14800
Air permeability GB/T 5453
Flexural strength of laminates GB/T 1449
Resin wet-out rate GB/T 17470-2007
Tensile strength, modulus and elongation of impregnated sheets GB/T 3354
Fabric stability JC/T 173-2005
Mold conformity GB/T 20309
Solubility in styrene GB/T 6006.1
Conductivity of water extract JC/T 170-2012
Test item Applied standard
Solid content GB/T 7193
Viscosity GB/T 7193
Gelling time GB/T 7193
Refractive index GB/T 7193
Volume shrinkage ISO 3521
Refractive index GB/T 6488
Test item Applied standard
Breaking strength of filament-wound plates ISO 527-5
Appearance --
Dimension --
Density GB/T 1463
Tensile strength + modulus, elongation GB/T 1447
Flexural strength + modulus GB/T 1449
Compressive strength + modulus ( for GRP ) GB/T 1448
Compressive strength + modulus ( for GRP ) GB/T 1041
Compressive strength + modulus ( for multiaxial fabrics ) GB/T 3856
Compressive strength + modulus ( for multiaxial fabrics ) GB/T 5258
Short-beam interlaminar shear strength ASTM D2344
Interlaminar shear strength GB/T 1450.1
Resin content, fiber content GB/T 2577
Fiber volume content ISO 1172
Porosity ASTM D3171
Degree of cure (insoluble resin content) GB/T 2576
Barcol hardness GB/T 3854
Impact strength GB/T 1451
Punching shear strength GB/T 1450.2
Water absorption GB/T 1462
Heat deformation temperature GB/T 1634.2
Light transmittance JC/T 782
Glass transition temperature ISO 11357-2
Dynamic mechanical analysis for determination of glass transition temperature (DMA) ISO 6721-11
Bearing strength( by bolted joints ) GB/T 7559
Fracture toughness ISO15024,ASTM D5528
Low temperature tensile or compression test --
—165℃~—100℃ --
—99℃~—20℃ --
Tensile strength, modulus, elongation and Poisson's ratio ISO 527
Compressive strength, modulus and strain ASTM D6641,ISO 14126
Longitudinal and transverse shear strength, modulus and strain ISO 14127
V-notched shear strength, modulus and strain ASTM D7078
Flexural strength, modulus and strain ISO 14125
Ultrasonic A-scan non-destructive testing GB/T 23908
Ultrasonic measurement of thickness GB/T 11344
Ultrasonic phased-array non-destructive testing GB/T 32563-2016
C-scan non-destructive testing GB/T 38537-2020
240kV nanofocus CT non-destructive testing GB/T 38535-2020
Testing by X-ray digital radiography GB/T 35388-2017
Non-destructive testing by laser shearography GB/T 34886-2017
Non-destructive testing by infrared thermal imaging GB/T 38883-2020
Acoustic emission testing GB/T 26644-2011
DIC strain measurement EN ISO 9513
Test item Applied standard
Qualitative and quantitative analyses of inorganic materials GB/T1549,GB/T3286..
Qualitative analysis of organic matters Infrared spectrometry combined with GC/MS
Qualitative and quantitative analyses of organic matters Infrared spectrometry, GC/MS, LC/MS
Qualitative analyses of sizing agent, binder, fiber type Infrared spectrometry
Chemical constituents ( not limited to the listed ones ) Titration, gravimetry, ICP method, atomic absorption method, spectrophotometry, liquid chromatography, gas chromatography, ion chromatography, etc. in corresponding standards
Total amount of alkali GB/T 210.2-2004
NaNO3 GB/T 4553-2016
Chloride content GB/T 4553-2016
Insoluble substance in hydrochloric acid GB/T 4553-2016
Moisture content GB/T 9914.1-2013
Ignition loss GB /T1347-2008,JC/T 753-2001,JC/T 2100-2012...
Acid resistance ( sulfuric acid/hydrochloric acid/nitric acid) --
Alkali resistance ( potassium hydroxide/sodium hydroxide) --
Acid resistance for 72 h GB/T 26733-2011
Acid resistance for 15 min GB/T 26733-2011
Wetting time GB/T 26733-2011
Water resistance GB/T 33832-2017
Separated alkali GJB 6254-2008
Carbon content Combustion absorption method
Particle size distribution GB/T2007.7
Epoxide equivalent ISO 3001:1999,GB/T 4612-2008
Acid value GB/T 2895-2008,ISO 2114:2000
Amine value --
Light transmittance Transmittance measurement by photoelectric integration method
Chemical resistance GB/T 31957-2015
Reduced potassium permanganate content JB/T7630.1-2008
Weight loss after acid soaking JB/T7630.1-2008
Leached iron content JB/T7630.1-2008
Leached chlorine content JB/T7630.1-2008
Acid boiling performance JB/T7630.1-2008
Acid absorption under pressure JB/T7630.1-2008
Acidity coefficient GB/T 5480 -2017
Water-leachable chloride content GB/T19686-2015
Water-leachable sulfate content GB/T19686-2015
pH of leachate solution EN 13468:2001,ASTM C871-2018,JC/T 618-2005
Leachable chloride ions --
Leachable ions ( leachable chloride, fluoride, silicate and sodium ions ) --
Stress corrosion of stainless steel GB/T17393-2008
Formaldehyde emission Desiccator method
Formaldehyde content GB/T 2912.1
Solid content、Gelling time、Water miscibility、Ash content、Nitrogen content、Total iron、Free formaldehyde content、Free phenol content、Total nitrogen content GB/T34181
Test item Applied standard
ROHS 2.0(Pb, Cd, Hg, Cr6+, PBBs...) IEC62321
Dibutyl phthalate, Diisobutyl phthalate IEC62321
Polybrominated biphenyls (PBBs), Polybrominated diphenyl ether (PBDEs) IEC62321
Phthalates IEC62321
REACH(SVHC) --
Released substance at 350℃ --
Volatile organic compound (VOC) JIS A1901( Small chamber method )
Formaldehyde emission JIS A1901( Small chamber method )
Leachable harmful substances --
Individual organic matters (benzene, toluene, ethylbenzene, o-xylene, m-xylene, p-xylene, styrene, vinyl chloride, 1, 1- dichloroethylene, dichloromethane, epichlorohydrin, etc.) GC/MS, LC/MS