Material Testing

Bone repair material testing under ISO 13779, ASTM F1088 (β-TCP), YY/T 0683-2008, and the NMPA 2017 guidelines for calcium-phosphate bone-filling materials — chemical and phase composition by ICP-OES/XRD, compressive strength and setting time, CCK-8 cell

Cytotoxicity test

Cytotoxicity testing under ISO 10993-5:2009 and ISO 10993-12 (sample preparation) — the extract/elution test, direct-contact test and agar-diffusion test, the MTT/XTT/NRU/LDH/ATP quantitative assays with the 70% viability threshold, the qualitative 0-4 re

Hydroxyapatite powder testing

Hydroxyapatite powder testing under ISO 13779-6 (powder specification) and ISO 13779-3 (chemistry, crystallinity, phase purity) — Ca/P molar ratio by ICP-OES and XRD Rietveld (stoichiometric 1.67), foreign phases (α-TCP, β-TCP, CaO, TTCP) quantification,

Vascular stent testing

Table of Contents What standards govern vascular stent testing? How are radial stiffness and strengt

Fabric testing

Fabric testing under ISO 13934/105, AATCC, ASTM, 16 CFR 1610, GB 18401 A/B/C classes (formaldehyde 20/75/300 mg/kg, pH 4.0-7.5/4.0-8.5/4.0-9.0), GB 31701-2015/2023 for infant and children textiles, REACH Annex XVII, and OEKO-TEX Standard 100 four product

baby bottle testing

Baby bottle testing under EN 14350:2020+A1:2023, CPSIA, ASTM F963, GB 38995-2020 and the GB 4806 series — BPA and bisphenol-analogue migration by LC-MS/MS, phthalates by GC-MS, heavy-metal migration by ICP-MS, lead in coatings by XRF (90 ppm paint / 100 p

Photoresist Testing

Photoresist testing across the liquid-resist, coated-film, lithographic and post-strip stages — viscosity by ASTM D2196, film thickness by reflectometry and ellipsometry, contrast curve and dose-to-clear E₀ by open-frame exposure, dissolution rate by DRM,

Chitosan testing

Chitosan testing under ASTM F2103, ASTM F2602 (SEC-MALS) and GB 29941 — degree of deacetylation by NMR/FTIR/elemental analysis/titration, molecular weight and polydispersity by SEC-MALS, identification by FTIR/XRD/NMR, thermal characterization by DSC and

Expandable microsphere testing

Table of Contents What standards govern expandable microsphere testing? How is thermal expansion beh

Seamless steel pipe testing

Seamless steel pipe testing under ASTM A370, ASTM A106/A53/A333, API 5L (PSL1/PSL2) and GB/T 8163/5310/9948-2025 — chemical composition by OES, tensile/impact/hardness mechanical tests, UT/ET/MFL non-destructive inspection, flattening/flaring/hydraulic pr

Electric blanket testing

Electric blanket testing under IEC 60335-2-17 and GB 4706.8 — the Clause 11 heating test with thermographic hot-spot detection, Clause 13 leakage current and dielectric strength, Clause 21 mechanical flexure and cord anchorage, and the distinction between

safety net testing

Safety net testing under BS EN 1263-1, GB 5725, ISO 1806 and OSHA 1926.502 — energy absorption classes (2.3 / 4.4 kJ), mesh breaking force, rope tensile strength, the annual UV deterioration test, and the jobsite drop test with a 400-pound sandbag.

Sports drink testing

Sports drink testing to GB 15266, GB 7101 and GB 5009.91 — sodium, potassium, soluble solids and osmolality limits, ICP-MS and flame spectroscopy methods, sugar profiling by HILIC with charged aerosol detection, and microbial conformity under GB 7101 samp

Safety rope testing

Safety rope testing by EN 892, EN 1891, EN 341, NFPA 1983 and GB 23525 — dynamic fall tests, static break tests, elongation limits, retirement criteria, and the destructive break test that measures residual strength in used rope.

Shape memory alloy testing

How shape memory alloy (NiTi/Nitinol) testing works: transformation temperatures (Ms/Mf/As/Af) by ASTM F2004 DSC and F2082 BFR, superelastic tension by ASTM F2516, Joule-heating actuator characterization, and cycling fatigue, per ASTM and GB/T 24230 stand

Sanitary ware testing

How sanitary ware testing works: leakage (16/4 bar) and pressure resistance (25 bar) for taps, hydraulic performance, anti-scald for thermostatic valves, endurance, water hammer, and chemical leaching, per EN 997, EN 817, GB 6952, ASME A112 standards.

Scaffolding testing

How scaffolding testing works: static load test to collapse, stability and wind test, component (UTM, corrosion), and fall-protection tests, across EN 12810, OSHA 1926 Subpart L, GB 55023, and AS/NZS 1576 standards.

Polyolefin Testing

How polyolefin testing works: DSC thermal analysis (ISO 11357, GB/T 19466), molecular weight by HT-GPC, comonomer by NMR, melt flow rate (ISO 1133, GB/T 3682), and density, per ISO, GB/T, and ASTM standards.

PVC Pipe Testing

How PVC pipe testing works: gravity vs pressure pipe methods (LPAT, HPT, CPT), test pressures (25-50 kPa air, 1.25× rated pressure water), safety limits, and standards (ASTM D2241, ISO 1452, GB/T 10002, AS/NZS 1477)

Blower testing

How blower door testing works: calibrated fan in a doorway measures building airtightness as CFM50 and ACH50 at 50 Pa, with thresholds from Passive House (0.6) to IECC code (3), per ASTM E779, EN ISO 9972, and ATTMA standards.

Infant pacifier testing

How infant pacifier testing works across US (16 CFR 1511, ASTM F963, CPSIA), EU (EN 1400), and China (GB 28482-2012), covering mechanical, lead, phthalate, nitrosamine, and BPA migration tests.

Polysilicon testing

How polysilicon testing works: purity grades (solar 6N-8N vs semiconductor 11N), trace metals by ICP-MS, carbon/oxygen by FTIR, carrier lifetime by μ-PCD, resistivity by four-point probe, per GB/T 12963 and SEMI PV17.

Lithium bromide testing

How lithium bromide testing works: concentration by hydrometer, titration, and conductivity formula, plus inhibitor (molybdate/chromate), pH, dissolved metals, and HG/T 2822-2022 purity thresholds.

Cashmere testing

How cashmere testing works beyond the burn test: why microscopy (ISO 17751) and DNA analysis are needed to distinguish cashmere from wool, with CCMI diameter thresholds and GB/T standards.

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Magnesium alloy testing

How magnesium alloy corrosion testing works: salt spray (ASTM B117), immersion (ASTM G31), hydrogen evolution, and electrochemical methods (EIS/PDP/LPR), with thresholds and rating standards.