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It had come to our attention that there are online forgery of certification from STS for the purpose of certifying sliming products. View Cert
STS do not issue such certificate. When in doubt do email us at

Consumer Product Testing

Consumer Product Testing

Mechanical Testing
  • Testing of metal, polymer, rubber and composites for tensile strength, bend, shear strength, hardness (Brinell, Rockwell, Vickers, Micro-hardness), Charpy impact, compressive strength and flexural strength.
Metallurgy & Failure Analysis
  • Failure investigation on components and equipment
  • Material evaluation by metallurgical examination
  • Coating thickness, grain size and ferrite measurement
  • Corrosion investigation, corrosion prevention advisory services and material selection
  • Macro and micro examination
  • Case depth / Decarburisation depth measurement
  • Inclusion / Grain size checks
  • Analysis / coating measurement for PCB
Welding Competency Test
(CAAS SAR Chp 6.5–Appendix 1)
  • For metal scaffoldings, reinforcement bars, reinforcement bars with coupler, steel wire, welded steel fabric / structures / plates / pipes
Thermal spray / Plasma coating evaluation
Lifting Equipment Certification
  • MOM Certification / IB Certification
  • Load testing and visual inspection of standard and customised lifting equipment according to both Singapore and international standards
Customised Structural Equipment Testing
  • Testing of storage racks, step ladders, vehicle supports, support structures and tripod jacks.
Pull Test
  • Testing of anchor bolts and beam structures
Hydrostatic Testing on Pressure Vessel
  • MOM Certification or API Inspection
Indoor Air Quality Tests & Heat Stress Measurement
  • Monitoring of parameters such as temperature, humidity, air velocity, formaldehyde, volatile organic compounds and micro-organisms and particulate matter (referencing SS554)
Source & Exhaust Emissions Tests
  • Testing to ensure emissions are in compliance with the Environmental Protection and Management Act.
  • Sampling and analyses of a range of parameters in accordance with US-EPA (United States – Environmental Protection Agency) methods.
  • Monitoring of parameters such as volatile organic compounds, heavy metals and toxic gases.
Industrial Hygiene Monitoring (IHM)
  • Monitoring and evaluation of industrial hygiene
  • Comprehensive testing of volatile organic compounds, heavy metals and toxic gases.
Water & Wastewater Tests
  • Detection of water contamination by undesirable chemicals and microbiological agents with APHA (American Public Health Association) & US-EPA (United States – Environmental Protection Agency) methods.
  • Detection of contamination in water sources such as drinking water, sewage and trade effluents, industrial water, ground water, NEWater and RO water.
Noise Measurement & Monitoring
  • Monitoring and evaluation of noise pollution. Services include factory noise mapping, equipment/engine noise measurement, personal noise monitoring and boundary noise monitoring
Chemical Composition Analysis
  • For raw materials (metal bars / sheets) used for manufacturing / processing. Such materials need to be checked for conformance to the required specification to ensure that the products are good for their intended purposes, e.g. strength, corrosion resistance, toughness
  • Our comprehensive solutions include employing Arc Spark-Optical Emission Spectrometry, Combustion, Inert Gas Fusions, and various other wet / classical methodologies.
  • Analysis of bath solutions for electroplating, cleaning and etching / pickling processes are also our forte to ensure top-notch quality of our customers’ finished products.
Magnetic Particle Testing
  • Magneflux: Three-phase FWDC bench unit with 6000A magnetising current and separate AC aperture coil for demagnetisation
  • Maximum component size 1250mm length and 250mm diameter
Radiographic Testing
  • Lab-based: Film and computed radiographic, radiographic testing using 320kV X-ray machine for inspection of aircraft material, component, weldments and casting, and Cobalt-60 for heavy thickness components
  • On site: Gamma and X-ray inspection
Ultrasonic Testing
  • Contact method
  • Phrased array ultrasonic test
  • Time of flight diffraction
Eddy Current Testing
Infrared Thermography
Video Borescope Inspection
  • Video borescope inspection and remote-visual condition on aircraft engine and fuel tank.
  • Borescope images allow permanent archival of the inspection results during non-destructive inspection.
Reliability Testing
  • Thermal Shock
  • Vibration
Electrical/ EMC Testing
Battery Testing
Fire Testing
Precious Metals Fineness Testing/ Gold Assaying

STS is Singapore’s only authorised assay laboratory. We certify the purity of precious metals and provide hallmarking services.

  • For gold, platinum, silver and palladium.
  • We conduct testing based on Singapore Standards (SS581) to determine the fineness (purity) of precious metals, and provide hallmarking services. This allows consumers to identify articles that meet the prescribed fineness levels and safeguard their investments.
Aerospace - Calibration
Pressure Measurement
  • Calibration and measurement of up to 16,000psi and 0.9bar for vacuum calibration.
  • Measuring devices employed include gauges, transducers and recorders.
Radiation Calibration (Non-accredited)
  • DMC 3000
  • SOR Dosimeters
Torque Measurement
  • Calibration and measurement of up to 2500Nm and cable-tension meter up to 300lbf.
  • Calibration and verification of all types of measuring instruments and tools :
    • Fixtures and jigs
    • Micrometers, calipers, depth and height gauges
    • Displacement sensors, dials, electrical gauge and thickness gauges
    • Plug and ring gauges (thread and go-no-go gauges)
    • Feeler gauges, vee blocks, engineer’s parallel/square, straight edge, film thickness gauges, test sieves, spirit level, clinometers / digital protractors, bore gauges, measuring tape, steel rule, glass scales, radius gauges, electronic comparators, and checkers
  • CMM dimension measurement services
Force Measurement
  • Verification of force measuring devices such as load cells, proving rings and durometers.
  • Calibration of temperature, humidity, electrical parameters
Management System
  • Quality Management System (ISO 9001)
  • Environmental Management System (ISO 14001)
  • Occupational Health & Safety Management System (BS OHSAS
    18001/ ISO 45001)
Fire Safety Products
2nd Party Audit & Training
  • Public & In-house Training
    • ISO 45001:2018 OHSMS Internal Auditor
    • ISO 9001:2015 QMS Internal Auditor
    • ISO 9001:2015 QMS Lead Auditor IRCA (by HKV)
    • ISO 14001:2015 EMS Internal Auditor
    • ISO 14001:2015 EMS Lead Auditor IRCA (by HKV)
    • IMS (QEHS) Internal Auditor