National New Materials Testing and Evaluation Platform Composite Materials Industry Center

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.

Fibers and fabrics
Resin
Composites
Chemical analysis
Environment

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

Composites Industry Center of

National New Materials Testing

and Evaluation Platform

国家新材料测试评价平台

复合材料行业中心

Testing and Analysis

Testing and Analysis

Composites Industry Center of National New Materials Testing and Evaluation Platform