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write-on/wipe-off cards
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Molecular Weight: 159
Pack of 40pcs Heavy-Duty High-Grade Borosilicate 3.3 Lab Equipment Best PriceIncluded: 40pcs Heavy Duty High Grade Borosilicate 3. 3 Glassware 15cm Round Bottom Test Tube + 10pcs Pipette + 2pcs Hopper + 1 Label Paster. Autoclavable, with superior chemical durability. Low temperature gradient can withstand high temperatures & thermal shocks. Premium Quality: Test tubes are made of high quality, heavy duty borosilicate 3. 3 glass. Designed for use in professional laboratories but is an ideal choice for science classrooms and
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