Caps, Screw Top GL45 Threads, Purple, Solid without a Liner. MICROSOLV Brand. 10/PK.
Additional Info:
58807-P45 MICROSOLV Screw Caps are high‑quality solid polypropylene closures designed for GL45‑threaded mobile phase reservoir bottles used in HPLC, UHPLC, LC‑MS, and general laboratory workflows.
These caps are ideal for sealing bottles when not in active use, helping to prevent contamination and maintain cleanliness during storage or transport. The purple color allows for easy visual identification and workflow organization, especially in multi‑solvent or multi‑instrument environments.
Manufactured from durable polypropylene, these caps provide reliable chemical resistance and long‑term performance in routine laboratory use.
Solid Cap Design – Contamination Prevention
Fully enclosed (no holes) construction
Prevents dust, dirt, and airborne contaminants from entering bottles
Helps maintain solvent and container cleanliness
Ideal for storage between runs or when bottles are empty
✅ Recommended for clean storage and contamination control
GL45 Thread Compatibility
Standard GL45 threaded caps
Fit most HPLC mobile phase bottles
Provide secure and consistent sealing
✅ Ensures broad compatibility across laboratory bottle systems
Polypropylene Construction – Durable & Chemical Resistant
Manufactured from high‑quality polypropylene (PP)
Resistant to common HPLC solvents
Lightweight, durable, and reusable
✅ Suitable for routine analytical and lab environments
Temperature & Performance
Maximum operating temperature: ~140 °C
Maintains integrity under standard lab conditions
Reliable for repeated daily use
✅ Designed for consistent laboratory performance
System Compatibility & Use
Commonly used with:
HPLC / UHPLC mobile phase bottles
LC‑MS solvent containers
General laboratory storage bottles
Solvent staging and transport workflows
Typical Applications
Sealing mobile phase reservoir bottles during storage
Preventing contamination in laboratory environments
Color‑coding solvents or systems (purple identification)
Laboratory bottle organization and management
Integrated into original equipment manufacturer (OEM) product designs
Important Usage Notes
Designed for GL45 threaded bottles only
Not intended for tubing or solvent delivery systems
Ensure proper tightening for effective sealing
Inspect periodically for wear or deformation