Biological Indicator

Biological Indicator

Regular price
Sale price
*Due to the size and weight of this product, we ask that you contact us in order to receive a quote for the freight cost.

Product Details

Lab Equipment Online now supplies biological indicators so you can verify the efficacy of our autoclave run. The BT-20 is a self-contained biological indicator for steam sterilization processes at 121ºC to 134ºC. Supplied in a box of 100 indicators.

Polypropylene random copolymer tube: 44.0 mm high x 8.5 mm external diameter. Wall thickness: 0.5 mm.

Polypropylene cap: 10.5 mm diameter, 13.0 mm high. Wall thickness: 1.0 mm.

Glass ampoule: 35.0 - 38.0 mm high. External diameter: 6.5 mm.

Wall thickness: 0.2 - 0.3 mm.

Culture medium: 0.5 - 0.7 ml, purple colour.

Cap filter: medical grade paper, 60 g/m2, 16.0 mm diameter.

Filter Paper: 8.0 mm diameter, 160 g/m2.

10^5 or 10^6 Geobacillus stearothermophilus ATCC 7953 spores per vial.

Positive growth results (failure in the sterilization process): culture medium turns to yellow, incubation at 60ºC for 24 hours (maximum).

More Information