12 Instruments Available
26

Nylon Testing

2026-07-15

Nylon testing per GB/T 16603-2025 (yarn), ASTM D638 (PA6/PA66 plastic), 21 CFR 177.1500 and EU 10/2011 (food contact). Dry and conditioned. Beijing ZKGX lab.

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27

Acrylic fiber testing

2026-07-14

Acrylic fiber testing per GB/T 16602-2008: linear density, tenacity, loop strength, oil content. Residual acrylonitrile by GB/T 20389, REACH ≤1.0 mg/kg. Beijing ZKGX.

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28

Medium density fiberboard (MDF) testing

2026-07-13

MDF testing per GB/T 11718-2021: MOR 26 MPa, IB 0.65 MPa, thickness swell ≤30%. Formaldehyde E1 ≤0.124 mg/m³ by 1m³ chamber (GB 18580-2017). Beijing ZKGX lab.

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29

Steel Strand Testing

2026-07-13

Steel strand testing per GB/T 5224-2023: breaking force Fm, proof force Fp0.2, Agt ≥3.5%, 1000h stress relaxation ≤2.5%. ASTM A416 / ISO 6934-4 reference. Beijing ZKGX.（165 字符，再缩：） Steel strand testing per GB/T 5224-2023: Fm, Fp0.2, Agt ≥3.5%, 1000h relax

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30

Silk Quilt Testing

2026-07-13

Silk quilt testing per GB/T 24252-2019: fill oil content ≤1.5%, residual gum ≤5.0%, fluorescent whitening agents non-detectable, fibre content by GB/T 2910. Beijing ZKGX Research.

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31

Paper Products Testing

2026-07-13

Paper products testing under GB 4806.8-2022 (food contact), GB/T 20810 (household), GB/T 6544 (corrugated):

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32

Terminal Block Testing

2026-07-13

Terminal block testing per GB/T 14048.7 / IEC 60947-7: temperature rise 45K, voltage drop 3.2mV, short-time withstand 120A/mm². Beijing ZKGX Research lab.

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33

Wood-based panel testing

2026-07-09

Wood-based panel testing per GB/T 17657 — bending (MOR/MOE), internal bond, thickness swelling, screw-holding, and GB 18580 formaldehyde (new E0 ≤ 0.050 mg/m³ from 2026).

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34

Granite testing

2026-07-09

Granite testing per GB/T 9966 — compressive strength (dry/wet/freeze), flexural strength, water absorption, abrasion, thermal shock, and GB 6566 radioactivity class A/B/C.

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35

Bearing steel testing

2026-07-09

Bearing steel testing per GB/T 18254 / ISO 683-17 — non-metallic inclusion rating (GB/T 10561, quenched), carbide uniformity (banded/network/ledeburitic), and oxygen content.

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36

Storage tank testing

2026-07-09

Storage tank testing per API 650 / GB 50128 — water-fill with settlement observation, weld NDT (NB/T 47013), and in-service floor-plate survey per API 653 / EEMUA 159.

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37

Outdoor jacket testing

2026-07-08

Outdoor jacket testing per GB/T 32614-2023 — hydrostatic head (GB/T 4744), moisture-vapour transmission (GB/T 12704), spray rating (GB/T 4745), and wash durability.

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38

Latex pillow testing

2026-07-08

Latex pillow testing per GB/T 35457-2017 — indentation hardness and support ratio (GB/T 10807), compression permanent set (GB/T 10653), resilience, VOC, natural-rubber content.

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39

Industrial fan testing

2026-07-08

Industrial fan testing per ISO 5801 / GB/T 1236 / AMCA 210 — full fan curve (airflow, static pressure, efficiency), FEI energy index, noise (ISO 13347), and rotor balance.

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40

Underwear testing

2026-07-08

Underwear testing to GB/T 8878 / GB 18401 — formaldehyde, pH, banned amines, perspiration and saliva colorfastness, antibacterial (GB/T 20944), and GB 31701 infant safety.

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41

Sportswear testing

2026-07-08

Sportswear testing to FZ/T 74001 / GB/T 21295 — moisture wicking (GB/T 21655, AATCC 197-201), breathability, elastic recovery, UPF (GB/T 18830), and GB 18401 safety.

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42

Towel testing

2026-07-08

Towel testing per GB/T 22864 / GB/T 22871 — water absorbency (capillary rise, ASTM D4772, AATCC 79), pile loss, colorfastness, and GB 18401 Class A safety.

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43

Cable testing

2026-07-08

Circuit breaker type testing to IEC 60947-2 / GB/T 14048.2 — Icu, Ics, Icw, Icm, utilization category A/B, test sequences, and Annex F EMC for electronic releases.

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44

Steel pipe testing

2026-07-06

Steel pipe testing verifies dimension, mechanical properties, weld NDT, hydrostatic pressure and sour-service HIC/SSC to API 5L, ASTM A106/A53 and NACE TM0284. Tested by Beijing ZKGX Research.

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45

Down jacket testing

2026-07-06

Down jacket testing verifies fill power, down cluster content, oxygen number, turbidity, net fill weight and downproofness to IDFB, EN, GB/T 17685 and GB/T 14272-2021. Tested by Beijing ZKGX Research.

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46

Foam plastic testing

2026-07-04

Foam plastic testing verifies density, compression, IFD, thermal conductivity and fire performance to ASTM D3574, D1621, C518 and FMVSS 302 / GB 8410. Tested by Beijing ZKGX Research.

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47

Asynchronous motor testing

2026-07-04

Asynchronous motor testing verifies IE efficiency, insulation, vibration and rotor cage to IEC 60034-2-1, IEEE 112, GB/T 1032 and ISO 20816-3. Beijing ZKGX Research tests motors.

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48

Rolling bearing testing

2026-07-04

Rolling element bearing on a laboratory test bench with an FFT vibration spectrum display, for rolling bearing testing to ISO 281 and ISO 15242.

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49

Copper strip testing

2026-07-03

Copper strip corrosion testing (GB/T 5096 / ASTM D130 / ISO 2160): detects active sulfur in petroleum products that corrodes copper — not total sulfur. Polished strip immersed, rated 1a–4b on 13-standard colour board — Beijing ZKGX.

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50

VOC Testing

2026-07-03

VOC testing across three questions: GB 50325-2020 (indoor air, TVOC ≤0.45 mg/m³) and GB/T 18883-2022, plus GB 18581/18582 coatings content — thermal-desorption GC-MS, GC-FID, DNPH-HPLC — Beijing ZKGX

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