Borosilicate glass 3.3. These dishes have reinforced beaded edges to resist mechanical breakage and to help in centering the bottom inside the cover. Covers have a fused-on bright white ceramic enamel marking spot and inscription, including 'cover'; bottoms have a blue ceramic enamel inscription, including 'bottom'. The combination of different colours and wording makes it quick and easy identification of the parts when sorting, selecting and assembling pairs.
- Remain clear after repeated use in wet or dry sterilisation cycles
- Bottom also has a vertical arrow on the side to precisely locate serial dilution starting points
Certifications: Designed from Federal Specification NNN-D-1478 and conform to USP Type I and ASTM E438, Type I, Class A requirements.
Packaging: Shelf-packs contain twelve covers and twelve bottoms, which are packed in separate boxes.