Nanomaterials Testing
2026-08-21Nanomaterials testing measures particle size distribution, morphology, crystal phase, surface chemistry, and elemental composition. TEM gives number-based primary size and shape, DLS gives hydrodynamic diameter in dispersion, and XRD identifies phase
Minerals Testing
2026-08-21Minerals testing quantifies elemental grade and impurity content in ores, concentrates, and industrial minerals. The workflow spans representative sampling, crushing and pulverizing, digestion or fusion, and instrumental analysis by ICP-OES, AAS, or
Solar Testing & Photovoltaic (PV) Systems
2026-08-20Solar PV testing verifies module power, safety, and durability through I-V curve tracing with a calibrated solar simulator, electroluminescence imaging, insulation and wet-leakage tests, and climate-chamber sequences per IEC 61215 and IEC 61730. Metr
Battery and Energy Storage Testing and Certification Solutions
2026-08-20Battery and energy storage testing evaluates cells, modules, packs, and systems across performance, cycle life, and safety dimensions. The workflow runs from sample conditioning and capacity measurement using cyclers and impedance spectroscopy, throu
Building & Construction Testing
2026-08-20Building and construction testing evaluates concrete, cement, aggregates, reinforcement, mortars, and membranes through standardized sampling, compression and tensile testing, sieve analysis, XRF chemistry, and non-destructive methods. Results are ju
Biofuels Testing and Inspection
2026-08-20Biofuels testing and inspection determines ester content, glycerol species, methanol residue, acid value, metals, oxidation stability, and physical properties of biodiesel, ethanol blends, and their feedstocks. Core methods include GC-MS and HPLC for
Construction & Engineering Testing
2026-08-18Construction and engineering testing evaluates materials and structures through defined workflows: representative sampling of concrete, steel, soil and asphalt; standard methods such as compression testing, universal tensile testing and Marshall stab
Structural Steel Testing
2026-08-04Structural steel testing explained by ASTM A6/A370, ISO 148-1 and GB/T 1591: tensile, Charpy V-notch, CEV, NDT and MTR acceptance thresholds from an ISO/IEC 17025 lab.
Pharmaceutical packaging material testing
2026-07-24Pharmaceutical packaging testing verifies chemical inertness, CCI, E&L, and stability per USP ⟨660⟩/⟨661⟩/⟨1663⟩, EP 3.2.1, YBB, 2025 Pharmacopoeia. Beijing ZKGX explains.
Knitted cotton testing
2026-07-22Knitted cotton testing verifies fiber content, GSM, wash shrinkage, bursting strength, color fastness, and chemical safety per GB 18401, GB/T 22848, ISO, JIS L 1096. Beijing ZKGX explains.
Tire testing
2026-07-22Tire testing verifies endurance, high-speed, rolling resistance, wet grip, and noise per FMVSS 139, UN ECE R30/R117, ISO 28580, GB 9743. Beijing ZKGX outlines the program.
Borosilicate glass testing
2026-07-22Borosilicate glass 3.3 testing verifies CTE, thermal shock, hydrolytic resistance, and volumetric accuracy per ISO 3585, ASTM E438, USP ⟨660⟩, EP 3.2.1. Beijing ZKGX explains.
Plastic Wrap Testin
2026-07-22Plastic wrap testing verifies overall and specific migration, mechanical strength, and microwave stability per GB 31604, EU 10/2011, FDA 21 CFR 177. Beijing ZKGX explains.
Busway Testing
2026-07-21Busway testing verifies insulation, joint conductivity, and thermal stability per NETA-ATS §7.4, UL 857, IEC 61439-6, and NFPA 70B. Beijing ZKGX outlines the full test program.
Disconnector testing
2026-07-17Disconnector testing per GB/T 1985-2023 (= IEC 62271-102): dielectric withstand, main-circuit resistance ≤1.2×Ru, temperature rise, mechanical endurance, short-time withstand. GIS VFTO TD1. Beijing ZKGX.
Epoxy Asphalt Testing
2026-07-17Epoxy asphalt testing per GB/T 30598: viscosity evolution, tensile strength ≥6 MPa, fracture elongation ≥190%, dynamic stability ≥3000/mm, DSR, MSCR, BBR. Steel bridge deck. Beijing ZKGX.
PET resin testing
2026-07-17PET resin testing per GB/T 17931-2018: intrinsic viscosity 0.76-0.84 dL/g, acetaldehyde ≤1.0 ppm (mandatory), colour L*/b*, moisture, DEG, IPA. GB 4806.7 food-contact. Beijing ZKGX.
Reusable Container Testing
2026-07-17Reusable container testing per GB 4806: three consecutive migration tests, dishwasher durability (50-100 cycles), microwave safety, seal and leak, drop resistance. PP, Tritan, stainless steel, silicone. Beijing ZKGX.
Bearing testing
2026-07-17Bearing testing per GB/T 307.1 (tolerance P0-P2, = ABEC 1-9), GB/T 24610 (vibration V-V4), ISO 281 L10 life, JB/T 10531 endurance. Rapid life test for incoming inspection. Beijing ZKGX.
Fire blanket testing
2026-07-16Fire blanket testing per XF 1205-2014 and EN 1869:2019: oil-pan fire extinguishing, 3L rapeseed oil auto-ignition test, flame resistance (body, thread, binding), heat resistance. Beijing ZKGX lab.
Anchor bolt testing
2026-07-16Anchor bolt testing per GB/T 37266 and JG/T 335: pull-out and shear capacity, failure modes (steel / concrete cone / pull-out / splitting), edge and spacing, cracked concrete. Beijing ZKGX lab.
Laminated glass testing
2026-07-16Laminated glass testing per GB 15763.3-2009: shot-bag 45 kg impact (II-1/II-2/III at 1200/750/300 mm), ball-drop peel, UV and humidity, boil, peel adhesion. Beijing ZKGX lab.
Plug valve testing
2026-07-16Plug valve testing per GB/T 13927-2022: shell 1.5×CWP, seat 1.1× rated, fire test API 607. Steel per GB/T 22130, lined per GB/T 26479. Beijing ZKGX.
Thermal insulation mortar testing
2026-07-16Thermal insulation mortar testing per GB/T 20473-2021: Type I/II density, λ ≤0.085 W/m·K, compressive strength, softening coefficient, bond strength, GB 8624 A1 fire. Beijing ZKGX.
Spring Steel Testing
2026-07-15Spring steel testing per GB/T 1222-2025: 65Mn, 60Si2MnA, 55Cr3 grades. Tensile strength, yield ratio, decarburisation depth, fatigue limit. Beijing ZKGX lab.
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