In order to ensure environmental protection, stability and comfort of aviation products, the materials shall be safe and environment-friendly with no harmful substances, and with stable composition, superior and reliable performance. GRG Test can carry out all-round testing and evaluation of products and materials from chemical composition to physical properties so as to help each unit to control all aspects of design and production.
Product Scope:
Finished products, components, metal materials, composite materials, plastics, rubber, coatings, leather, fiber materials, adhesives, other materials
Relevant Qualifications:
CMA, CNAS
Test Cycle:
5-7 working days for regular projects, 10-15 working days for total composition analysis, and add 5 working days according to aging time for long-term aging
Test Item:
1. Harmful substances test
Product Scope: products, components, raw materials
| Test Standard |
Test Item |
|
IPC-1754
AIA/NAS–NAS411-1
MIL-STD 882E
RoHS
REACH
POPs
etc.
|
Heavy metal lead (Pb), cadmium (Cd), mercury (Hg), hexavalent chromium (Cr6+)
Phthalate
Asbestos
Volatile organic compound (VOC)
Ozone depleting substances (ODS)
Polycyclic aromatic hydrocarbon
Polybrominated biphenyls
Polybrominated diphenyl ethers, etc.
|
2. Analysis of metal composition
Product Scope: steel, aluminum and aluminum alloys, copper and copper alloys, tin alloys
| Test Standard |
Test Item |
| GB/T 20123, GB/T 20125, GB/T 11170, GB/T 4336, etc. |
Analysis of metal element content (carbon, silicon, manganese, phosphorus, sulfur, aluminum, nickel, chromium, etc.) |
3. Analysis of plastic composition
Product Scope: PE plastics, PVC cable materials, PP plastics, PMMA plastics, PC plastics, PU plastics, ABS plastics, etc.
| Test Standard |
Test Item |
| Adopt internal standards |
① Analysis and test of all plastic compositions
② Quantitative test of plastics principal compositions
③ Qualitative property of all plastics compositions
④ Ash test for plastics
⑤ Thermogravimetric analysis of plastics
⑥ Test of melting temperature and enthalpy, crystallization temperature and enthalpy, glass-transition temperature and oxidation induction time of plastics
⑦ Formula analysis
⑧ Resin Content of Fiber Reinforced Materials GB/T 2577-2005
⑨ Glass Fiber Content of Fiber Reinforced Materials ISO 1172:1996
|
4. Analysis of rubber composition
Product Scope: isoprene rubber, butadiene styrene rubber, cis-polybutadiene rubber, chloroprene rubber, butyl rubber, ethylene-propylene-diene monomer, nitrile rubber, etc.
| Test Standard |
Test Item |
| Adopt internal standards |
① Analysis and test of rubber composition
② Quantitative and qualitative test of the principal composition of rubber
③ Qualitative property of all rubber compositions
④ Ash test for rubber
⑤ Thermogravimetric analysis of rubber
⑥ Test of the glass transition temperature of rubber
⑦ Formula analysis
|
5. Analysis of coating composition
| Test Standard |
Test Item |
| Adopt internal standards |
① Analysis and test of all coating compositions |
| ② Qualitative property of coating resin |
6. Analysis of adhesive composition
| Test Standard |
Test Item |
|
Adopt internal standards
|
① Analysis and test of adhesive composition |
| ② Qualitative property of adhesive resin |
7. Consistency comparison
Product Scope: plastics, rubber, fibers, etc.
| Test Standard |
Test Item |
|
Infrared spectrogram
Differential Scanning Calorimetry (DSC) curve
Thermo Gravimetric Analysis (TGA) curve: Refer to ISO 11358-1:2014
|
Consistency comparison test |
8. Analysis of foreign matters
Product Scope: embedded foreign matter or spot, surface contaminant, precipitate, oily substance, mist, rubber bloom of electronic products, industrial products yellowing and blackening, impurities and by-products of chemical products
| Test Standard |
Test Item
|
|
Internal standard
|
Analysis and test of foreign matters
|
9. Physical performance test of rubber
Product Scope: rubber sheet, O-ring, rubber moldings
|
Test Standard Test Item
|
|
HB 5231 / GB/T 533 / ISO 2781 / ASTM D297
HB 5233 / GB/T 528 / ISO 37 / ASTM D412
GB/T 529/ ISO 34-2/ ASTM D624
HB 5235 / GB/T 7759 / ISO 604/ ASTM D395
HB 5234 / GB/T 531.1 / ISO 868 /ASTM D2240
HB 5236 / GB/T 1690
HB 5251 / GB/T 3512
GB/T 7757/ ISO 7743
GB/T 5470/ISO 974/ASTM D746/
GB/T 1682
GB/T 5470/ISO 974/ASTM D746/
GB/T 1682
GB/T 2408/IEC 60695-11-10/UL 94
GB/T 2408/IEC 60695-11-10/UL 94 |
Density
Tensile strength/tensile elongation at break
Tearing strength
Compression set
Shore hardness
Volume change rate of oil resistance/reagent resistance
Hot air aging
Strain performance of compressive stress
Low temperature brittle temperature - specified temperature
Low temperature brittle temperature - finding temperature point
Vertical combustion
Horizontal combustion
|
10. Physical performance test of plastic
Product Scope: plastic pellets, plastic sheets, moldings
| Test Standard |
Test Item |
| GB/T 1033.1,GB/T 1040, GB/T9341, GB/T 1041, GB/T1043.1, GB/T1843, GB/T 1634, GB/T 1633, GB/T 2411, GB/T 3398.1, …… |
Density, tensile strength, elongation at break, tensile modulus, poisson ratio, bending strength, bending modulus, compressive performance, impact strength of simply supported beam, impact strength of cantilever beam, thermal deformation temperature, vicat softening point, shore hardness, implementation hardness, melt index
|
11. Physical performance test of composite materials
Product Scope: fiber reinforced material, sandwich structure material
|
Test Standard
|
Test Item
|
| GB/T 1447-2005, GB/T 1448-2005, GB/T 1449-2005, GB/T 1451-2005, GB/T 3854-2017, GB/T 1462-2005, GB/T 1452-2018, GB/T 1453-2005, GB/T 1454-2005, GB/T 1455-2005, GB/T 1456-2005, GB/T 1457-2005 |
Tensile property
Compression performance
Bending property
Impact performance
Barcol hardness
Water absorption rate
Flatwise tensile performance
Flat crash performance
Side compression performance
Cutting performance
Bending property
Stripping performance
|
