Main centres: | 1-3 business days |
Regional areas: | 3-4 business days |
Remote areas: | 3-5 business days |
Blackwell Products Glass Test tubes,plain glass round bottom are made of borosilicate glass to reduce pH change and contaminants potentially leached from soda-lime glass. Tubes are well annealed, resistant to heat, and chemically stable. Glass test tubes with beaded rims are fire-polished.
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