ESR Black Cap Sodium Citrate 3.8 Blood Collection Tube Manufacturer and Exporter in Ahmedabad, Gujarat, India.

At Vivan Meditech, we manufacture and export CE and ISO certified ESR Black Cap Sodium Citrate 3.8 Blood Collection Tube under WHO-GMP quality systems, ensuring safe and accurate blood sampling. We also offer OEM and private label solutions for global healthcare partners.

The ESR Tube, also known as the Sodium Citrate 3.8% Blood Collection Tube, is specially designed for accurate erythrocyte sedimentation rate (ESR) testing using the Westergren method. Prefilled with buffered sodium citrate, this tube ensures the correct blood-to-additive ratio, helping maintain sample stability and reliable test results. It is widely used in clinical laboratories for ESR analysis, coagulation related studies, and routine blood testing where precise anticoagulation is required. The tube’s durable construction and safety closure make it suitable for safe blood collection, transport, and processing in automated & manual laboratory workflows.

Product Specifications:

• Specimen Type: Whole blood or Plasma
• Additive: Sodium Citrate 3.8%
• Cap Color: Black
• Tube Sizes: 13 × 75 mm, 13 × 75 mm, 9 × 120 mm
• Draw Volume: 1.28 ml, 1.6 ml, 2.0 ml to 8.0 ml
• Material: PET, Plastic tube with butyl rubber stopper and polyethylene cap
• Closure Type: Safety Closure
• Mixing Method: Gently invert 4–6 times after collection
• Recommended Centrifugation: 10 minutes at up to 4000 RPM

Customization Options:

• Custom tube sizes, draw volumes, and additive concentrations
• Private labeling and customized printing on tubes
• Choice of packaging styles for bulk or retail supply