Our service

Centre Testing International Co., Ltd. (CTI) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.

 

By Industry

Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.

Specialty

Comprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.

AUTHORITY & TRUST
QUALITY & VALUE
Oil test

CTI has a professional service team, advanced instruments and equipment, and testing capability to efficiently assess the quality status of oil products for customers, and timely provide customers with improvement suggestions and diagnostic guidance.

Oil test

   Service background

1、Scope /categories

Internal combustion  engine oil & grease

2、Technical standards

GB、ASTM、ISO、HG、etc.

3、Sample requirements

Different test items require different sample quantities. Please ask CTI online customer service for details.

4、test period

Normal: 5 TAT; Urgent: 3 TAT.

   Test items & Standard

Engine oil

Test standards

Test items

GB 17038

 

Kinematic Viscosity

copper corrosion

Viscosity Index

 pentane insolubles

ASTM Color

Air Release Value

Water

Rust-Preventing

Pour Point

Demulsibility

Solidification Point

Sulfur

Flash Point

nitrogen content

Foaming Characteristics

phosphorus content

Total Acid Value

Gel index

Total Base Number

 Evaporation Loss

Carbon Residue (Micro Method)

CCS

Mechanical Impurities

Low temperature pumping viscosity

Multielement

MRV

 Particle Distribution

HTHS

Sulphated Ash

Pyrogenic sediment

PQ Index

Diesel oil dilution

Soot content

Antifreeze dilution

oxidizability

Microscopic characteristics

sulfidity

Oxidation Stability

sulfidity

Shear stability

Fuel dilution

Uniformity and mixture

glycol content

chlorinity

HG/T 2363

kinematic viscosity

HG/T 2366

 Acid Value

Grease

Test standards

Test items

GB 491

GB 492

GB 7324

 

Appearance

Ash

penetration

Oil steel mesh points(60℃,24h

Work penetration

Impurities(microscopic method)

Extend penetration

Water loss(38℃,1h)

 dropping point

蒸发量(99℃,22h)

 corrosion (T2,100℃,24h)

 Oxidation Stability(99℃,
100h,0.760MPa)

Water

Kinematic Viscosity(-15℃,10s-1

   Our strengths

CTI has a complete engine oil testing capability.

CTI has advanced laboratory equipment to ensure the accuracy and reliability of test data.

CTI has a team of qualified and experienced technical experts to provide you with professional consultation and services.

CTI, as a trusted third-party testing and certification body for global customers, has obtained CMA,CNAS and UKAS.

CTI has a business network throughout the country, can provide rapid response, personalized intimate services.

   Service Process

Consult customer service confirm the test plan fill in the application form send samples pay the test fee test send electronic reports express paper reports and invoices

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