Weproving Inspection Service

Through regular testing and maintenance, damage to the glass can be discovered and repaired in time. Details Glass Inspection  Definition A  third-party inspection company  independent of glass manufacturers and buyers conducts comprehensive and scientific inspections on glass products to ensure that their quality and safety meet relevant standards and requirements. These inspection agencies have professional inspection equipment and professionally trained full-time inspectors who can accurately measure various performance indicators of glass, such as hardness, light transmittance, impact strength, etc. Main contents of  glass inspection 1. Appearance inspection: Check whether there are defects, bubbles and flaws on the glass surface 2. Optical performance inspection: Including performance parameters such as light transmittance, dispersion, reflectivity and polarization 3. Environmental adaptability test: Detect the changes of glass under high temperature, low temper...

  The purpose of During Production Inspection (Dupro inspection) is to ensure that the products produced meet the predetermined technical requirements. Details Meaning of  During Production Inspection  ( Dupro inspection ) Inspection during production refers to the inspection of product quality through a series of technical means and methods during the production process. The purpose of  During Production Inspection (Dupro inspection)  is to ensure that the products produced meet the predetermined technical requirements and standards, so as to ensure the quality of the products and the stability of the production process. Types of  During Production Inspection  (Dupro inspection) 1. Sampling inspection: Select a small number of samples from a certain batch of products for inspection to determine the quality of the entire batch of products. 2. Repair inspection: Sampling inspection of repaired products reported by customers to confirm the cause of the p...

  How to test a pen  in  third-party inspection 1. Appearance inspection: Check whether the appearance of the pen is intact, whether there are defects, deformation and other problems. Through visual inspection and hand feeling methods. 2. Writing performance test: Use professional writing test instruments, such as writing test machine and handwriting clarity tester, to test the writing fluency, handwriting clarity and ink drying speed of the pen. 3.  Ink quality detection : Use chemical analysis methods such as spectrophotometry and chromatography to detect the color, concentration and stability of the ink. 4. Pen core quality detection: Use measuring tools such as calipers and hardness testers to detect the size, material and hardness of the pen core. 5. Safety detection: Use chemical analysis methods such as atomic absorption spectroscopy and gas chromatography to detect whether the pen contains harmful substances such as heavy metals and volatile organic compounds...