
0.5 mL Polypropylene K₃EDTA Blood Collection Tubes (10×45 mm) – 3K100PP
Small-Volume EDTA Tubes for Precision Sampling
The 3K100PP is a 0.5 mL blood collection tube constructed from durable polypropylene, sized at 10×45 mm external dimensions. It contains K₃EDTA anticoagulant and features a pink O-ring screw cap. Designed for micro-sampling where compact size, chemical resistance, and accurate anticoagulation are important.
Key Features
-
Volume: 0.5 mL — ideal for small draws (e.g. paediatric, micro-assays, or research requiring minimal blood).
-
Anticoagulant: K₃EDTA (tripotassium EDTA), provided with approximately 0.88 mg per tube (≈ 1.75 mg per mL of blood).
-
Material: Polypropylene — offers excellent chemical resistance, high strength, and compatibility with a wide temperature range.
-
Dimensions: 10×45 mm external — compact yet sufficient for handling and processing.
-
Closure: Pink O-ring screw cap — ensures a tight, leak-resistant seal for transport and storage.
-
Temperature tolerance: −40 °C to +135 °C — safe for freezing, thawing, and elevated temperature storage.
-
Centrifuge rating: Up to 17,000 g — suitable for high-speed centrifugation protocols.
-
Packaging: Supplied in foam trays to protect tubes during storage and transport.
Advantages of This Tube
-
Minimises required sample volume without compromising assay quality.
-
Polypropylene construction means better resilience under harsh conditions (e.g. extreme cold, high-heat, or chemical exposure).
-
High centrifuge tolerance allows flexibility for more demanding lab protocols.
-
O-ring cap and EDTA anticoagulant help preserve sample integrity and prevent clotting.
View more polypropylene blood collection tubes
Typical Applications
-
Haematology tests (full blood count, differential count) requiring small blood volumes
-
Paediatric and neonatal sampling
-
Research studies with multiple small samples
-
Field or point-of-care sampling with minimal handling or storage
-
Labs that require freeze/thaw cycles or sterility under higher temperatures
Browse EDTA blood tubes and accessories
Technical Specifications
Specification | Detail |
---|---|
Volume | 0.5 mL |
External Size | 10 × 45 mm |
Anticoagulant | K₃EDTA (dry or wet-droplet) |
EDTA Amount | ~0.88 mg per tube (~1.75 mg per mL blood) |
Cap | Pink screw cap with O-ring |
Material | Polypropylene |
Temperature Range | −40 °C to +135 °C |
Max Centrifugal Force | ~17,000 g |
Packaging | Foam trays; available in packs (e.g. 100 / 500 / 1000) |
Order the 3K100PP Tubes for Your Lab
When you need reliable, micro-volume blood collection with strong sample preservation and chemical resistance, the 3K100PP 0.5 mL polypropylene K₃EDTA tubes deliver. Purchase in bulk to stay well stocked and maintain consistency in your lab processes.
In Summary
0.5mL K3E tubes,contents - 0.88mg , K3EDTA dried, 10x45mm polypropylene O-ring tube with pink O-ring screw cap. Temp range -40C to 135C. RCF 17000g.
1.75mg per ml of blood. Tripotassium EDTA tubes are supplied with a wet droplet in base of the tube and are packed in foam trays for easy use and storage. The chemical can also be supplied dried in base of the tube. Mix by gentle inversion or on mixer.

Sign up to emails regarding our latest products, news & upcoming offers.