PYREX Screw cap, high-temperature red GL 25

PYREX? Screw cap, high-temperature red GL 25
For use with 1516, 1517, 1518, 1519 and 1520 series bottles
Ideal for applications involving high temperatures or aggressive chemicals
Red thermoplastic Polybutylene terephthalate (PBT) cap with natural coloured PTFE faced cap liner
Withstands hot air sterilisation up to 180 ?C
PTFE faced cap liner resists chemical attack
The cap may discolour when used at the maximum temperature of 180?C, however this does not affect performance.