Factory Direct HONGDA wholesale glass red and blue cap Capillary Tube With Heparinized 

1). Hematocrite capillary tubes without heparine 
2). Hematocrite capillary tubes with sodium heparine 80IU/mL 

Technical specifications and dimensions:
1,1 1,2mm internal diameter
1,5 1,6mm external diameter 

Our micro-haematocrit capillary tubes are made of glass and are available in different lengths and diameters. The standard length is 75 mm. The standard inside diameter is 1.1-1.2 mm and the standard outside diameter is 1.5-1.6 mm. 100 capillaries are packed in glass vials, 10 vials are in a carton.The capillaries are available without heparine and sodium-heparinized. HDA micro-haematocrit tubes are quality products that conform to international standard ISO 12772. The tubes are supplied fire polished at the color-coded end, Supplied with color-coding on the packaging and on the tubes in plain (blue color), or with uniform sodium heparinisation (red color)