Test tubes Made of borosilicate glass, suitable for general mixing, simple laboratory work, as well for use with samples which are susceptible to pH change, will withstand moderate warming (e.g. in a water bath) Meets ASTM E 890 Specification, Standard specification for Disposable Glass Culture Tubes

These types of test  tubes are made of borosilicate glass that's similar to Pyrex or Kimax, and they have clear marking spots for your lab labeling needs. Compared to clear plastic test tubes, these glass culture tubes / sample tubes have greater chemical resistance and can be heated directly in an open flame.

• BOROSILICATE GLASS TEST TUBE WITH RIM 15 X 125 MM. 100 UNIT IN A BOX.
• 100% GENUINE BOROSILICATE GLASS TEST TUBE WITH RIM BY ABG INITIATIVE
• Export quality laboratory glassware and labware. Flexible shipping and pickup option upon request.
• This image represent actual product through color of the image and product size may slightly differ
• Available in different sizes. Discount of bulk order
• Fire polished rim and uniform wall thickness.
• In Compliance to ISO 4142.
• Made of borosilicate 3.3 glass.
• High thermal shock resistance & chemical attack resistance.
• Available with & without rim.
• Packed in breakage resistant special designed boxes.