Cosmetic packaging sealing performance test The sealing performance test can ensure that the sealing...

Cosmetic packaging testing items mainly include: barrier performance testing (gas transmission rate ...

In fact, there is no absolute distinction between good and bad packaging materials. The choice of pa...

1. Acrylic contains polar pendant methyl groups and has obvious hygroscopicity. The water absorption...

The cream in glass bottles cannot be put in one bottle, because the cream itself is a very viscous l...

Acrylic processing technology 1. Casting Casting is used to form plexiglass plates, bars and other p...