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Polypropylene 100mL Conical Bottom Centrifuge Tube – Graduated Marks, Writing Patch, Blue Screw Cap
- 100 mL Large Volume: Nearly seven times the capacity of a 15 mL tube — fewer tubes per prep.
- 12,000 × g Rated: Spins safely in standard lab centrifuges for large pellets and separations.
- Graduated + Writing Patch: Printed volume marks and a frosted patch for clear sample labeling.
- Bulk Bag of 100: Economical polypropylene tubes for high-throughput labs.
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Polypropylene 100mL Conical Bo... 
100 ml Centrifuge Tubes – Polypropylene Conical Tubes with Screw Cap
These 100 ml centrifuge tubes are the step up for labs that have outgrown 15 mL and 50 mL formats. When a protocol calls for large cell harvests, bulk washing, or big-volume sample prep, splitting the work across a dozen small tubes wastes time and risks mix-ups. One 100 ml tube keeps the whole prep together. For labs buying 100 ml centrifuge tubes in bulk, these deliver — transparent polypropylene, a conical bottom, printed graduations, a frosted writing patch, and a blue screw cap that seals every spin.
Why Labs Choose These 100mL Conical Tubes
The 100ml conical tube is the format labs reach for when 50 mL is not enough. Here is what these deliver:
- 100 mL working volume: Nearly seven times the capacity of a 15 mL tube — harvest, wash, and pellet in a single vessel instead of splitting samples.
- 12,000 × g centrifugation rating: Spins safely in standard laboratory centrifuges for large pellets, phase separation, and bulk sample prep.
- Conical bottom for clean pellets: The tapered base concentrates the pellet in one spot, so you can decant or pipette off the supernatant without disturbing it.
- Printed graduations: Bold, easy-to-read volume marks for quick, accurate measuring without a separate cylinder.
- Frosted writing patch: A dedicated marking area that takes pen, marker, or label — no more mystery tubes in the rack.
- Leak-proof screw cap: The blue screw cap seals positively around the full circumference, so tubes can be stored on their side or shipped without leaks.
- Crystal-clear polypropylene: High-clarity PP lets you see sample levels, layers, and pellets at a glance, and resists most acids, bases, and solvents.
Key Safety Advantages
Large tubes carry large, precious samples — failure mid-spin is expensive. These are built to avoid that:
- Rated, not guessed: The 12,000 × g maximum is a tested rating. Stay within it and the tube will not deform or burst in the rotor.
- Uniform wall thickness: Even walls distribute centrifugal force evenly, eliminating the weak spots that cause blowouts.
- Positive-seal cap: The screw cap will not pop under pressure changes, protecting both the sample and the centrifuge chamber.
- Chemical resistance: Polypropylene stands up to the reagents, buffers, and solvents used in daily protocols.
Cap, Graduation & Writing Patch
Small details decide whether a tube is a pleasure or a pain at the bench:
- Blue screw cap: Easy to grip and open one-handed, colour-coded for quick identification in a busy rack.
- Printed graduation marks: Permanent, high-contrast scale for fast volume checks during large aliquoting and reagent prep.
- Frosted writing patch: Takes ballpoint, fine marker, and adhesive labels without smudging.
- Smooth interior: Polished inner walls release pellets cleanly and rinse out easily.
Technical Specifications
Everything that matters about this 100 ml conical centrifuge tube, in one table:
| Working volume | 100 mL |
|---|---|
| Product type | 100ml polypropylene centrifuge tubes, conical bottom |
| Material | Polypropylene (PP), transparent |
| Base | Conical, non-skirted |
| Cap | Blue screw cap, leak-proof |
| Max RCF | 12,000 × g |
| Graduation | Yes — printed scale |
| Writing patch | Yes — frosted marking area |
| Packaging | 100 tubes per bag |
| Dimensions | ~34 mm OD × 130 mm length (typical) |
| Sterile | Non-sterile — general lab use |
Where Labs Across Saudi Arabia Use Them
From Jeddah hospitals to Jubail industrial labs, these 100 ml centrifuge tubes are the consumable high-throughput labs restock:
- Cell culture facilities: Large-volume cell harvests, washing, and counting in a single tube.
- Molecular biology labs: Bulk nucleic acid prep, large-scale PCR setup, and sample archiving.
- Clinical diagnostics: Pooled serum separation and high-volume sample storage.
- Pharma QC: Bulk reagent prep, stability samples, and analytical workflows.
- Food & environmental testing: Water sampling, extraction, and large-sample centrifugation.
- University research: KFUPM, KSU, and KAUST labs running scale-up protocols.
How to Use
Getting reliable results from a 100ml centrifuge tube is straightforward:
- Label first: Write the sample ID on the frosted writing patch before filling — it is much harder once the tube is wet.
- Fill: Pipette up to the 100 mL mark. Leave headspace if the sample will be frozen.
- Cap tightly: Screw the blue cap down firmly until sealed — check the seal before spinning.
- Balance: Load tubes in balanced pairs or use a balance tube with matched weight — critical at this volume.
- Spin: Run at or below 12,000 × g in a compatible large-volume rotor with correct adapters.
- Recover: Decant or pipette off the supernatant, leaving the conical pellet undisturbed — or resuspend and store.
Precautions & Safety Protocols
Large-volume tubes demand respect for the basics:
- Never exceed 12,000 × g: Over-speeding deforms the tube and can damage the rotor.
- Use correct large-volume adapters: A 100 mL tube in the wrong adapter can crack under load — always match the rotor insert.
- Check caps before spinning: A loose cap on 100 mL of sample is a chamber-flooding event — verify the seal.
- Single use for critical work: These are disposable; reusing risks cross-contamination between samples.
- Chemical compatibility: PP resists most lab reagents but check compatibility with strong organic solvents before use.
Why Buy from AskA Solution
Consumables are only cheap if they arrive on time:
- Stock in Dammam: Bags ready to ship — no waiting on international freight.
- Bulk pricing: The more bags your lab burns through, the better the per-tube economics — ask for a quote.
- One supplier for the lab: Tubes, bottles, vials, and glassware on a single order, single delivery.
- Fast Saudi-wide delivery: Riyadh, Jeddah, Jubail, Yanbu — anywhere your lab operates.
FAQs
- What are 100 ml centrifuge tubes used for?
They are the standard vessel for large-volume sample collection, cell harvesting, bulk pelleting, and storage in biology, clinical, and QC labs. The conical bottom concentrates pellets for easy recovery. - What does 12,000 × g mean?
It is the maximum relative centrifugal force the tube is rated for — 12,000 times gravity. Always spin at or below this rating in a compatible rotor with the correct adapters. - Are these tubes sterile?
No — these are general-purpose non-sterile tubes for routine lab work. If your protocol needs sterile, RNase-free tubes, contact us about sterile options. - Can the tubes go in the freezer?
Yes. Polypropylene stays tough at freezer temperatures. Leave headspace when freezing liquids, and make sure the cap is tight. - Are they autoclavable?
Polypropylene generally tolerates autoclaving at 121°C, but as single-use consumables these are intended for disposable use. Confirm with your protocol. - What is the writing patch for?
The frosted patch is a dedicated labeling area — write sample IDs directly with pen or marker, or apply adhesive labels, without smudging. - How many tubes come in a pack?
100 tubes per bag. Bulk quantities are available — ask for a quote on multi-bag orders.
Keep your lab stocked with 100 ml centrifuge tubes that arrive fast and perform every spin. Contact AskA Solution today for bulk pricing and delivery across Saudi Arabia.
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