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ZHONGXI Testing has obtained inspection qualification certifications from multiple countries and regions worldwide. We possess a senior testing team and advanced testing methods, providing independent, impartial, and professional third-party verification services for global carbon projects.
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As an independent third-party testing service provider, we offer comprehensive environmental adaptability testing for materials, components, and finished products. Environmental factors such as temperature, humidity, salt spray, mould, sand & dust, solar radiation, low pressure, and weathering can significantly degrade the performance, appearance, and safety of materials and assemblies. Whether you are a manufacturer of automotive parts, electronics, aerospace components, construction materials, or consumer goods, our accredited laboratory simulates real‑world and extreme environmental conditions according to international standards (ISO, ASTM, IEC, GB/T, MIL‑STD, RTCA DO‑160). This article outlines our environmental adaptability testing capabilities – including scope, key test items, and standard test methods – to help you validate material durability and product reliability.
We cover a wide range of materials, products, and environmental stressors:
By material/product type: Metals (steel, aluminium, copper, coatings); Polymers (plastics, rubber, seals, adhesives); Composites (CFRP, GFRP); Electronics (PCBs, connectors, enclosures); Automotive components (interior, exterior, under‑hood); Aerospace parts; Military equipment; Construction materials (paints, sealants, roofing); Medical devices; Consumer electronics; Packaging materials.
By environmental stressor: Temperature (high, low, thermal shock, thermal cycling); Humidity (steady state, cyclic, condensation); Salt spray / salt fog (neutral, acetic, copper‑accelerated); Mould and fungi resistance; Sand and dust (blowing, settling); Solar radiation (UV, xenon arc, carbon arc); Low pressure (altitude simulation); Rain and water ingress (IPX, driving rain); Corrosive gases (SO₂, H₂S, NO₂, Cl₂); Mixed flowing gas (MFG); Ozone (for rubber); Weathering (natural or accelerated).
Our environmental adaptability testing services are grouped into nine categories. Each category simulates specific service or transport conditions.
High temperature storage/operation – e.g., +85°C, +125°C, +150°C for electronics, materials.
Low temperature storage/operation – as low as -70°C (cold start, cold flexibility).
Damp heat (steady state) – constant temperature + humidity (e.g., 40°C / 93% RH).
Damp heat (cyclic) – e.g., IEC 60068-2-30: 12h + 12h cycles with condensation.
Thermal cycling – rapid transitions between temperature extremes (e.g., -40°C to +85°C, 5°C/min).
Thermal shock – two‑zone or three‑zone (e.g., -55°C to +125°C with <1 min transfer).
Temperature / humidity combined with electrical or mechanical load.
Neutral salt spray (NSS) – 5% NaCl, pH 6.5-7.2, 35°C (ASTM B117, ISO 9227).
Acetic acid salt spray (AASS) – accelerated test for decorative coatings.
Copper‑accelerated acetic acid salt spray (CASS) – for anodised aluminium, electroplated parts.
Cyclic corrosion test (CCT) – salt spray + dry + humid (e.g., SAE J2334, ISO 11997, Volvo VCS 1027).
Kesternich test (SO₂ / condensation) – for industrial atmospheres (DIN 50018).
Corrosion creep / filiform corrosion (for coated panels).
Mould growth test – inoculation with specified fungi (Aspergillus niger, Penicillium, etc.), 28 days at 28-30°C / 85-95% RH (ISO 846, ASTM G21, IEC 60068-2-10).
Resistance to biodeterioration – for electronics, textiles, packaging, sealants.
Assessment of mould growth rating (0 = no growth, 4 = heavy growth).
Blowing dust (dust resistance) – non‑abrasive dust, vertical or horizontal flow (MIL-STD-810, ISO 20653).
Blowing sand (abrasive) – sharp sand particles (MIL‑STD‑810).
Settling dust – fine dust deposited on surfaces (IEC 60529 IP5X / IP6X).
Sealing effectiveness (IP5X, IP6X) – dust‑tight enclosure testing.
Abrasion by dust‑laden airflow (for coatings and surfaces).
Xenon arc weathering – full‑spectrum sunlight simulation (ISO 4892-2, ASTM G155, SAE J2527).
Fluorescent UV (UVA‑340, UVB‑313) – for polymer degradation, colour change, gloss loss (ASTM G154, ISO 4892-3).
Carbon arc (older standard – fading test) – ASTM G152.
Combined UV + moisture (condensation, spray).
Colour fastness (Blue Wool scale, Grey scale).
Mechanical property retention after light exposure (tensile, impact).

Altitude simulation (low air pressure) – up to 15,000 m (e.g., 57 kPa, 30 kPa, 11 kPa).
Low pressure with temperature (combined) – e.g., -55°C at 15,000 m (RTCA DO‑160 Section 4).
Rapid decompression / explosive decompression – for aircraft components.
Electrical performance at altitude (dielectric breakdown, corona).
IP protection rating (IEC 60529) – IPX1 to IPX9K (dripping, spraying, jetting, immersion).
Driving rain (wind‑driven rain) – for building façades, enclosures (ASTM E331).
Water spray (pressurised) – for automotive and outdoor electronics.
Immersion (temporary or continuous) – up to 1 m or deeper.
Hydrostatic pressure resistance (for seals, underwater housings).
SO₂ (sulphur dioxide) exposure – for industrial / marine environments (IEC 60068-2-42, DIN 50018).
H₂S (hydrogen sulphide) – for tarnish testing of silver, copper (IEC 60068-2-43).
NO₂ / Cl₂ (nitrogen dioxide / chlorine) – for specific chemical plants.
Mixed flowing gas (MFG) – low concentrations of Cl₂, H₂S, NO₂, SO₂ (IEC 60068-2-60, Telcordia GR‑63).
Porosity and corrosion of contacts / connectors.
Ozone resistance (for rubber, elastomers) – static or dynamic strain (ISO 1431, ASTM D1149, D518).
Fluid resistance (fuels, oils, coolants, solvents) – immersion or spray (ASTM D471, ISO 1817).
Hydraulic fluid / de‑icing fluid resistance.
All tests are performed according to internationally recognised standards. Our laboratory is ISO/IEC 17025 accredited and equipped with environmental chambers (‑70°C to +180°C, humidity 10-98% RH), salt spray chambers, dust chambers, xenon/UV weathering testers, low‑pressure chambers, and MFG systems.
Damp heat (steady state): IEC 60068-2-78, GB/T 2423.3, ASTM D2247.
Damp heat (cyclic): IEC 60068-2-30, GB/T 2423.4.
Thermal cycling (fast change): IEC 60068-2-14, GB/T 2423.22.
Thermal shock (two‑zone / liquid‑to‑liquid): MIL-STD-810 Method 503.7, IEC 60068-2-14.
High / low temperature storage & operation: IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), GB/T 2423.1/.2.
Combined temperature / humidity / vibration (by arrangement).
Neutral salt spray: ASTM B117, ISO 9227, GB/T 10125, JIS Z 2371.
Acetic acid salt spray: ASTM G85 Annex A1, ISO 9227.
CASS test: ASTM B368, ISO 9227.
Cyclic corrosion: SAE J2334, ISO 11997-1, ASTM G85 Annex A5 (Prohesion), Volvo VCS 1027,149.
Kesternich (SO₂): DIN 50018, ISO 6988, ASTM G87.
Mould growth test: ISO 846 (plastics), ASTM G21 (synthetic polymeric materials), IEC 60068-2-10 (electronic components).
MIL‑STD‑810 Method 508.8 (fungus).
Blowing dust and sand: MIL-STD-810 Method 510.7, ISO 20653 (Road vehicles – degrees of protection).
IP5X / IP6X (dust‑tight): IEC 60529, GB/T 4208.
Def Stan 00-35 (UK defence standard).
Xenon arc weathering: ISO 4892-2, ASTM G155, SAE J2527 (automotive exterior), SAE J2412 (interior).
Fluorescent UV (UVA / UVB): ASTM G154, ISO 4892-3, SAE J2020.
Carbon arc (historical): ASTM G152 (withdrawn but still referenced).
Colour fastness (textiles / plastics): ISO 105‑B02, AATCC 16.
Altitude simulation: RTCA DO‑160 Section 4, MIL-STD-810 Method 500.7, IEC 60068-2-13.
Temperature‑altitude combination: RTCA DO‑160 Section 4.6, MIL-STD-810 Method 501.7/502.7.
IP Code (IEC 60529): IPX1 – IPX9K, GB/T 4208.
Driving rain (building components): ASTM E331, AAMA 501.1.
Water spray (pressurised): ISO 20653 (IPX9K for high‑pressure jet).
Immersion: IEC 60529 (IPX7, IPX8), MIL-STD-810 Method 512.7.
SO₂ exposure: IEC 60068-2-42, DIN 50018.
H₂S exposure: IEC 60068-2-43.
Mixed flowing gas (MFG): IEC 60068-2-60 (4 gas mixture), Telcordia GR-63-CORE (NEBS).
ASTM B827 (MFG test methodology).
Ozone resistance (static & dynamic): ISO 1431 (rubber), ASTM D1149, ASTM D518, GB/T 13642.
Fluid immersion (oils, fuels, etc.): ASTM D471, ISO 1817, GB/T 1690.
As an independent laboratory with extensive experience in environmental simulation, we provide unbiased, accurate, and legally defensible results. Our advantages include:
ISO/IEC 17025 accreditation – CNAS/CMA certified, accepted by global industries and certification bodies (CE, UL, E‑mark, etc.).
Comprehensive chamber fleet – walk‑in chambers, benchtop chambers, thermal shock (air‑to‑air and liquid), altitude chambers, and specialty corrosion rigs.
Fast turnaround – standard salt spray (96‑500 h) and thermal cycling (10‑100 cycles) with efficient scheduling.
Detailed reporting – photographic evidence, corrosion rating (e.g., ASTM D610 / D1654), measured properties before/after, and compliance statements.
Custom test plans – we design test sequences that match your product’s specific life‑cycle (transport, storage, operation in desert / maritime / arctic / tropical climates).
Confidentiality – full protection of your materials, formulations, and intellectual property.
Consultative support – we help you select the right severity levels, test durations, and pass/fail criteria based on product application.
Whether you need to qualify a new material for outdoor use, validate a coating system, meet automotive OEM specifications (e.g., PV1200, GMW14872), or simulate storage conditions for electronics, our environmental testing experts are ready to assist.
Contact our team with your material / product type, target environment (e.g., marine, desert, alpine, tropical), relevant standards, and specific test parameters (temperature range, humidity, duration). We will provide a detailed quotation, sample submission guidelines, and a testing schedule. Let us help you ensure that your materials and products withstand the toughest real‑world conditions – reliably, safely, and for the required service life.
This article provides an overview of our environmental adaptability testing capabilities. For specific test methods, sample size, and pricing, please request a tailored service proposal.