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