These Narrow Mouth Reagent Bottles
are available in Polypropylene as well as Polyethylene.
The PP Bottles are rigid, translucent and have
execellent contact clarity. These bottles can
be autoclaved filled as well as empty. On the
other hand, the Polyethylene bottles too have
execellent strength and are unbreakable. The Polypropylene
Cap has a built in seal ring to make these bottles