Globe Scientific Empty Pipette Tip Racks for PosiStop Tips, Reloadable PP — 20/200/1000 µL, Color-Coded, 6-10 Racks/Box
Cut consumable spend and plastic waste with Globe Scientific Empty Pipette Tip Racks for PosiStop Tips, designed to be reloaded with bulk-packed tips instead of discarded. Color-coded trays speed volume selection at the bench, while a secure tip grid supports accurate liquid handling in PCR setup, serial dilutions, and high-throughput plate filling.
Technical Specifications
| Product Type | Empty pipette tip racks (reloadable) for PosiStop tips |
| Volume/Size | 20 µL, 200 µL, 1000 µL formats |
| Material | Polypropylene (PP) |
| Closure/Cap | Hinged lid with tip-grid tray |
| Graduation | Not applicable |
| Sterility | Non-sterile (empty racks) |
| Pack Size | 6 or 10 racks per box (varies by volume) |
Available Volumes
| 20 µL — Red Tray, 10 Racks/Box | 154405 | $35.20 |
| 200 µL — Green Tray, Reloadable, 10 Racks/Box | 154420 | $35.00 |
| 1000 µL — Blue Tray, 6 Racks/Box | 154435 | $26.40 |
Applications
- Reloading bulk PosiStop tips to reduce per-tip cost and packaging waste
- Organizing tips by volume at multi-channel pipetting stations
- PCR and qPCR reaction setup requiring consistent tip presentation
- Serial dilution workflows across 96-well and deep-well plates
- High-throughput plate filling and reagent aliquoting
- Color-coded volume segregation in shared core-facility labs
Chemical Resistance
| Aqueous buffers | Excellent |
| Dilute acids | Good to excellent |
| Dilute bases | Good to excellent |
| Alcohols | Good |
| Acetonitrile | Fair to good |
| Aromatic solvents | Limited |
| Chlorinated solvents | Limited |
Quality & Procurement
Order from labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Boxes carry lot numbers so traceability is documented for CAP-, CLIA-, and ISO 15189-accredited operations. Institutional and grant-funded buyers qualify for tiered pricing — contact our team for volume quotes across mixed-volume orders.
Frequently Asked Questions
Which tips fit these racks?
Each rack is engineered for Globe Scientific PosiStop tips in its matching volume: 20 µL (red), 200 µL (green), and 1000 µL (blue). Pairing the correct bulk tip refill with its color-coded tray ensures proper seating.
Are these racks autoclavable?
The polypropylene construction tolerates standard autoclave cycles. Allow trays to dry and cool fully before reloading tips, and inspect hinges after repeated cycling.
How does reloading save money?
Buying tips in bulk refill packs and reloading these empty trays avoids paying for new racked plastic each time, lowering cost per tip and reducing waste sent to disposal.
Do the racks ship sterile?
No. These are empty, non-sterile racks. If sterility is required, load them with sterile tips or autoclave the assembled, tipped rack per your lab's validated protocol.