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
Base Oil Detection

Base oil is the main component of lubricating oil, which determines the basic properties of lubricating oil. CTI provides professional technical support for customers to improve the quality and value of oil products for base oil from different production processes such as refinery refining and manufacturer synthesis.

Base Oil Detection

◉    Service Content

1、Scope of Application/Product Category
Lubricating base oil

2、Technical Standards

China.

3、Requirements for Conventional Samples

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

4、Test Cycle

The calculation starts with the sample received by the laboratory. Routine: 5 working days; Urgent: 3 working days.

5、Test Items and Standards

Test Items and Standards for Base Oil

Test Item

Appearance

Mechanical impurities

Water-soluble acid or base

Density (20 ℃)

Metal multielement

Oxidation stability (rotating oxygen bomb)

Viscosity

Cleanliness/particle count

Noak evaporation loss

Viscosity index

Sulfate ash

Sealing adaptability

Chromaticity

Copper corrosion

Infrared analysis

Moisture

Pentane insoluble

Microscopic Characteristics of Particles (Analytical Ferrography)

Pour point

Air release value

Microscopic Characteristics of Particles (Direct Reading Ferrography)

Condensation point

Liquid phase rust (A or B)

Abrasion spot diameter

Flash point (opening)

Emulsification resistance

Maximum Bite-free Load PB

Flash point (closed)

Saponification value

Sintering load PD

Foam characteristics

PQ index

Wear composite index ZMZ

Total acid number (TAN)

Sulfur content

Analysis of paint film

Total base number (TBN)

Chlorine content

Ignition point

Neutral value

Zinc content

Spontaneous ignition point

Trace residual carbon

Distillation range

 

◉    Our Advantages

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

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

CTI, as a third-party testing and certification organization trusted by customers around the world, has obtained CMA, CNAS and UKAS qualifications.

CTI has a nationwide business network, which can provide quick response and personalized considerate services.

◉    Service Process

Consulting Customer ServiceConfirm Test PlanFill in the Application FormSend samplesPay for the testTestSend electronic reportsExpress paper reports and invoices