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20PCS 40ml Glass Test Tubes with Cork Stoppers,20×180mm Round Bottom Test Tube for Scientific Tests,Candy,Bath Salt,Cultivated Plants
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20PCS 40ml Glass Test Tubes with Cork Features
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Product Content:20pcs 40ml cork stopper round bottom glass test tubes.
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Capacity:40ml.Tube size:20×180mm.Clear test tube length:17.8cm/7in.The INNER diameter of tube is 0.7in.
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Usage:Glass test tube can be used to store candy,granular food materials,liquid,sample,powder or cultivated plants.The transparent test tube is suitable for various scientific tests.
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Material:Glass test tubes can be heated.Test tubes are made of borosilicate glass.
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Features:The cork has a good seal and the cork stopper test tubes can be used repeatedly after cleaning.
About 20PCS 40ml Glass Test Tubes With Cork
Description of Goods Before purchasing,you should pay attention to the size of the round bottom test tube. Package contains 20 clear glass test tubes with 20 cork stoppers. Warm tips:Manual measurement,please allow slight errors on size. Glass test tubes cork stopper is insert and take out easily,perfectly fit the tube open and have good sealing to isolate air and liquid,prevent the content inside leaking out. Capacity:40ml volumetric test tube. The INNER diameter of tube is 0.7in.
