Introduction to Test Tubes

Test tubes, commonly used in chemical laboratories as reaction containers for small amounts of reagents, are used at room temperature or during heating (preheating should be done before heating, otherwise the test tubes may easily burst). There are various types of test tubes, including ordinary test tubes, branched test tubes, and centrifuge test tubes. The specifications of ordinary test tubes are based on the outer diameter (mm) × Length (mm) expressed as 15 × 150、18 × 180、20 × 200, etc.
brief introduction
Test tubes, commonly used in chemical laboratories as reaction containers for small amounts of reagents, are used at room temperature or during heating (preheating should be done before heating, otherwise the test tubes may easily burst). There are various types of test tubes, including ordinary test tubes, branched test tubes, and centrifuge test tubes. The specifications of ordinary test tubes are based on the outer diameter (mm) × Length (mm) expressed as 15 × 150、18 × 180、20 × 200, etc.