Our products are designed and manufactured according to standards, including respirator standards such as EN 149、EN 143、NIOSH 42 CFR Part 84、EN 14683、ASTM F3502、GB 2626、GB/T 32610、GB 19083、YY 0469、YY/T 0969, etc. Filter standards such as ISO 16890、EN 1822、ISO 29463、ISO 11155、IEST-RP CC001.5、GB/T 14295、GB/T 6165、GB/T 13554, etc.
From the perspective of users, our products have good practicability and high accuracy. Our customers are distributed in filter media, masks, filters (element), clean rooms and other industries, as well as environmental protection industries with monitoring requirements for air quality. Customers include relevant production enterprises, testing institutions and research institutes at home and abroad.
ISO 29463 originates from EN1822, which defines EPA, HEPA and ULPA filters commonly used in industry. While ISO 29463 maintains the classification of EPA, HEPA and ULPA.But replace E10-E12, H13-H14 and U15-U17 with the following 13 filter levels. The ISO 29463 can't replace EN 1822, EN 1822 will continue to be valid.
In today's environment of serious air pollution, high efficiency air filters are becoming more and more widely used in both industrial fields and people's daily lives. High-efficiency air filters are the key equipment to guarantee the air quality of indoor and clean room. In order to ensure the filtration efficiency and safety performance of HEPA filters, strict testing and verification are required. How to choose the most suitable HEPA testing equipment is a problem that should not be underestimated. This article will introduce how to choose the right HEPA filter testing equipment to obtain accurate results.
As a category of air filtration products, BSF is mainly used in anesthetic machines and respiratory machines, and the importance of the product cannot be overstated. Therefore, it is necessary to test and take in charge of the quality of the product. In this article, we will introduce BSF testing from Relationship between standards, Requirements for aerosol, Particle counting method and photometric method, Test result comparison of particle counting method and photometric method etc.