Acrylic, with PMP/PE stopcocks, class B.
Graduations are screen printed to ISO 385 class B accuracy
Unaffected by most dilute aqueous solutions (except ammonia and hydrofluoric acid) but unsuitable for use with ethanol or organic solvents
Suitable for both left and right handed use
Acrylic construction for strength and transparency. Suitable for use in education, research or industrial laboratories, especially where breakages often occur.