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Overview
Centre Testing International Group Co., Ltd. (CTI) is a market leader in testing, inspection, certification, calibration, audit, training & technical services; building trust between governments, enterprises, and consumers.
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Sustainability
By building a full value chain ESG governance system covering the strategic decision-making level, management execution level and business operation level, it actively practices penetrating management of ESG risk and opportunities, empowering sustainable development across the industry chain.
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Our serviceCentre 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.
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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.
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Environment
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Raw Material & Fuel Chemicals
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Textiles, Apparel, Footwear & Accessories
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Food & Agricultural Products
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Cosmetics, Personal Care & Household Chemicals
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Building Materials&Construction Engineering
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Electronic & Electrical Appliances
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Toys, Furniture & Home Decoration
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Industrial Equipment & Manufacturing
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Rail & Aviation
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Automotive & Spare Parts
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Pharma and Medical Services
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Maritime Vessel Compliance Testing
By IndustryOur service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
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SpecialtyComprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.
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ManagementWe have established a clear governance structure in accordance with listing requirements and national regulations and policies to deal with internal and external challenges and achieve sustainable development.
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Information DisclosureWe are committed to establishing normal and effective two-way communication with shareholders and investors. We have established a complete information disclosure mechanism to convey information to shareholders in a timely manner.
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Talents PolicyEnsuring the basic rights and benefits of employees;
Providing professional skills training to promote employees’ growth;
Carrying out various kinds of activities to balance employees’ work and life.
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RecruitmentWelcome to join CTI family! We are providing a platform for you to show your talents and achieve your career aspiration.
QUALITY & VALUE
Printed boards or printed board assemblies is the critical part of electronic products. And its quality and reliability level determines the quality and reliability of the final products. CTI can provide test service about PCB/PCBA products for mechanical properties, electrical properties, thermal properties, environmental reliability testing, failure analysis and so on. These tests assist in product design and provide a powerful support to improve product quality and reliability.
? Business Challenges
How is the reliability of PCB or PCBA ensured?
How is PCB or PCBA verified and analyzed to solve product quality problems?
? Service content
Ⅰ. Applicable Test Standards
J-STD-003 Solderability Tests for Printed Boards
GB/T 4588.1 Sectional specification:single and double sided printed boards with plain holes
GB/T 4588.2 Sectional specification:single and double sided printed boards with plated-through holes
GB/T 4588.3 Design and use of printed boards
GB/T 4588.4 Sectional specification for rigid multilayer printed boards
GB/T 4677 Test methods of printed boards
GB/T 4722 Test methods for rigid copper clad laminates for printed circuits board
IPC-5704 Cleanliness Requirements For Unpopulated Printed Boards
IPC-6012 Qualification And Performance Specification For Rigid Printed Boards
IPC-6013 Qualification And Performance Specification For Flexible/Rigid-Flexible Printed Boards
IPC-9704Printed Wiring Board Strain Gage Test Guideline
IPC-A-600J Acceptability Of Printed Boards
IPC TM-650 Test Methods Manual, etc.
Ⅱ. Product Range
Electrical and electronic products, equipment.
Ⅲ. Standard Sample Requirements
Please contact our business or customer service, based on specific standards.
Ⅳ. Test Item
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Main test items |
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Cross-section analysis |
Flammability |
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Scanning electron microscopy /Quantitative analysis by Energy-Dispersive Spectroscopy |
Bow and Twist |
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Fourier transform infrared spectroscopy spectrum analysis |
Flexural strength of laminates |
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X-ray inspection |
Peel strength of metallic clad laminates |
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Pull test of solder joints/ Shear strength of solder joints |
Land Bond Strength |
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Coating thickness |
Breakdown voltage |
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Dyeing test |
Withstand voltage |
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Test method for measuring whisker growth on tin and tin alloy surface finishes |
Moisture and insulation resistance |
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Thermal conductivity/thermal resistance |
Conductive anodic filament resistance test |
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Thermal expansion |
Volume and surface resistivity of dielectric materials |
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Glass transition temperature |
Permittivity and Loss Tangent |
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Thermal decomposition temperature |
Ionchromatography |
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Time to Delamination |
Ionic analysis of circuit boards, Ion Chromatography Method |
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Resistance to soldering heat |
Thermal stress |
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Solderability |
Failure analysis |
? CTI Solution
CTI provides a comprehensive one-stop solution of reliability testing, including:
Environmental test
Reliability test
Reliability design
Reliability analysis
Product evaluation
Reliability training and consulting
? Our Strengths
CTI has many advanced equipments and has passed CMA/CNAS qualification accreditation, the test data is accurate and reliable, and the test report has international credibility.
The scientific laboratory information management system ensures the efficient operation of each service link.
The technical expert team has rich practical experience and can provide professional, rapid and comprehensive one-stop service.
The service network is all over the world, and many first-line brands designate cooperative laboratories.
? Service Process
Consult customer service → confirm the test plan → fill in the application form → send the sample → pay the test fee → test → send electronic report → express paper report
? Frequently Asked Question
How long does the test period take？
The normal period is 5-7 working days (except the time when the sample is in the test chamber). If you need urgent help, please contact our sales or customer service.
What are the test sample's requirements for peel strength test of metallic clad laminates?
Peel strength test requires customers to etch samples by themselves. It can be performed with the requirements of GB/T 4722 or IPC-TM-650 2.4.8C.
How is the test result of CAF test evaluated?
CAF( conductive anodic filament) can be evaluated by the change of insulation resistance after testing. And the growth of CAF can also be observed by sample microsections.
What are the pre-treatment conditions of solderability testing?
Steam aging, damp heat and dry heat are common conditions for sample pretreatment before weldability test.
How to choose the solderability test method?
If there is no regulation, it is generally recommended to choose Dip-look method for PCB sample, wetting balance method for single PCB solder plate or component pin, and wetting balance method for solder paste.
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