PETG sample vials are square vials with a screw cap of HDPE. The vials are firmly closed and individually welded in shrink foil. They are free of endotoxin (endotoxin content < 0.02 I.U./vial) and sterile on the inside.
Sample vial: PET (polyethylenterephthalat)
Closure: HDPE (high density polyethylene)