Recently, the State Administration for Market Regulation conducted inspections on 86 batches of toy products, focusing on 62 items such as mechanical and physical properties, flammability, migration o...

Do you know what precautions should be taken when using reagents? Different reagents have different protective measures, so let's take a look.1. Gloves and goggles need to be worn, 57 types;2. 55...

Mask testing standards01Basic StandardsNormal-grade masks and microbial indicatorsInitial contaminating bacteriacfu/g—Total bacterial coloniescfu/g or cfu/mL≤200colibacillusMust not be detectedPathoge...

According to the classification of GJB450A General Requirements for Equipment Reliability Work, reliability tests can be divided into environmental stress screening, reliability development tests, rel...

What is HALT test?The full name of HALT (Highly Accelerated Life Test) is the High Accelerated Life Test. HALT is a testing method that accelerates the exposure of defects and weak points in products...

We often see news reports about housing disputes and abandoned buildings, and the main reason for this phenomenon is the use of inferior building materials. Many rural families do not pay much attenti...