CERNATA™ EXTRA LARGE Critical Wipes are the most practical lint free wipe for OEM Manufacturers. Designed for auto paint applications, precision engineering, lab and medical. These ISO Class 4 cleanroom polyester wipes are 4 edge ultrasonic laser cut and sealed preventing lint and fibre contamination. Made from 100% polyester continuous filament fibre, making them durable, soft and engineered tear resistant. Laundered by 17m of ultra pure DI Water to remove any impurities. Ideal cleanroom wipes for cleaning automotive paint spray applications, life science, pharmaceutical manufacturing, medical, delicate surfaces and more.. Also known as class 10 cleanroom wipes (ISO Class 4).Unit of sale:100 Wipes 18x18`` (45x45cm).