Test Tubes With Rims and Medium Walls

High quality test tubes designed and constructed for optimum performance. Manufactured from Pyrex borosilicate glass which gives superior performance to neutral borosilicate and soda-lime glass - Allows use at high temperatures - Excellent resistance to chemical attack. Tubes up to 12mm dia. are 1.0mm wall thickness, larger sizes are 1.2mm thick.
Conforms to ISO 4142.

Available in:
(Dia)12mm x (L)75mm
(Dia)12mm x (L)100mm
(Dia)16mm x (L)125mm
(Dia)16mm x (L)150mm
(Dia)18mm x (L)180mm
(Dia)18mm x (L)150mm

Available in packs of 10 and 100.

?One Mark? Pipettes

Complies with BS 1583, ISO 648 and DIN 12690. Calibrated for delivery. Manufactured from soda-lime glass. Tooled jets for extra strength and to ensure correct outflow time. Markings and inscriptions permanent amber stain.

Available in 5ml, 10ml, 25ml and 50ml capacities and types Class A and Class B. Class A is available in a pack of 2. Class B available as singles or in packs of 5.