Cylinders, measuring, moulded graduations. Capacity 250ml Grads 2.0ml PP Conform to ISO 6706 – 1981 (E) and BS 5404 Part 2 1977. Special polypropylene giving very high translucency. Autoclavable to 121°C for 20 mins., continuous work at 100°C. Permanent graduations are moulded in for reprodicability. No wetting. Chemically cleaner than glass. Chemically non-absorbent. Excellent chemical resistance. Pentagon base for added stability.