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Sale!
Variety of GL45 safety caps in different colors and hole counts.
Silicone plugs included with GL45 safety cap for sealing unused ports.
Components included: PP frame, PTFE core, and silicone gasket for GL45 cap.
Dimension specifications of GL45 safety cap for mobile phase bottles.
GL45 threads on mobile phase bottle cap for strong sealing.
Autoclavable 180°C GL45 cap made from premium PP and PTFE materials.
GL45 safety cap precise 3.2mm hole spacing for 1/8 inch OD tubing.

Features & Details

Efficient Laboratory Fluid Handling with the GL45 Safety Cap.
This professional-grade accessory is specifically engineered for 1/8 inch (3.2mm) OD tubing, providing a secure and leak-proof seal for reagent bottles to prevent solvent evaporation and ensure chemical safety during HPLC mobile phase delivery.

About this item

Material Polypropylene (PP) frame, PTFE insert plug, Premium silicone pad
Compatibility Standard GL 45 neck size reagent bottles
Tubing Fit 1/8 Inch (3.2mm) Outer Diameter (OD) Tubing
Heat Resistance Fully Autoclavable at 140°C / High temperature resistant
Hole Diameter 3.2mm / 0.126 inch
Dimensions 45mm (Diameter) × 32mm (Total Height)
Available Options 1 to 5 holes; Colors: Blue, Green, Red, Orange, Yellow

This GL 45 Safety Cap includes the high-durability cap frame, a chemically resistant PTFE insert, and the corresponding number of silicone sealing plugs for secure laboratory fluid transfer and sampling tasks.

Colorful GL45 mobile phase bottle caps in blue, orange, green, yellow, and red, featuring 180 degree Celsius autoclavable heat resistance.

The GL45 Safety Cap is an essential mobile phase bottle cap for modern labs. Autoclavable at 180°C, it offers unmatched heat resistance. This reagent bottle lid comes in multiple colors for easy identification, ensuring a safe and organized workspace for HPLC mobile phase delivery.
Multiple Specifications Available for GL45 Caps: 1-5 Holes
Multiple Specifications Available for GL45 Caps: 1-5 Holes
We offer multiple specifications for our GL45 reservoir cap, featuring 1 to 5 hole designs. Each port fits 1/8 inch OD tubing, facilitating smooth sampling and fluid transfer. This lab safety cap provides the flexibility required for complex chemical analysis and storage.

Technical Details and Sealing Structure of GL45 Safety Cap

Achieve leak-proof reagent storage with our PTFE inner core technology. This GL45 safety cap utilizes a high-grade silicone gasket and matching silicone plugs to ensure a hermetic seal. It effectively prevents hazardous vapor escape and solvent evaporation for your lab bottles.

Related products:
9-425 autosampler vial caps with PTFE/silicone septa

Use Cases

Autoclavable & SterileChemical SynthesisFiltration & SeparationSafety & Protection

FAQs

Yes, our GL45 Safety Cap is designed to fit all standard GL 45 neck size reagent bottles. The 45mm diameter ensures a secure, leak-proof fit for universal laboratory glass containers used in HPLC and chemical storage.

The number of silicone plugs provided corresponds directly to the number of holes in the cap you choose. For example, a 1-hole cap comes with 1 silicone stopper plug, a 2-hole cap includes 2 plugs, and a 5-hole cap comes with 5 plugs to ensure all unused ports remain sealed.

These caps are precision-engineered to fit 1/8 inch (3.2mm) Outer Diameter (OD) tubing. The hole diameter is exactly 3.2mm (0.126 inch), providing a snug fit that prevents solvent evaporation and protects your mobile phase from contamination.

Absolutely. The cap is highly temperature resistant and fully autoclavable at 140°C. This allows you to maintain a sterile environment for sensitive experiments and reuse the caps multiple times without compromising their structural integrity.

To ensure maximum chemical resistance, the frame is made of high-quality Polypropylene (PP), while the inner insert plug is crafted from chemically inert PTFE. We also include a premium silicone pad to create a hermetic seal against the bottle neck.

We offer various colors (Blue, Green, Red, Orange, Yellow) to help you organize your laboratory workflow. Different colors allow for quick visual identification of various mobile phases or reagent lines, reducing the risk of errors during complex sampling tasks.

The cap has a standard outer diameter of 45mm (1.77 inches). The height without the white PTFE insert is 31mm (1.22 inches), and the total height with the insert is 32mm (1.26 inches), making it compact yet robust.

Yes, the multi-hole design (available from 1 to 5 holes) makes it extremely versatile. It is ideal for HPLC mobile phase delivery, liquid sampling, and as a secure filling cap to prevent hazardous vapor escape in the lab.

Xin Tester GL45 Safety Cap for HPLC Mobile Phase (Fits 1/8″ OD)

Price range: $8.73 through $14.00

Extra 5% Off with code: welcome5

6–12 Month Warranty

Repair & Refund support available for most products.

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Ships within 3 business days.

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Buyer responsible for local import fees.

24/7 After-Sales Support

Technical assistance & video guidance within 24h.

Xin Tester GL45 Safety Cap for HPLC Mobile Phase (Fits 1/8″ OD)

Sale!
Variety of GL45 safety caps in different colors and hole counts.
Silicone plugs included with GL45 safety cap for sealing unused ports.
Components included: PP frame, PTFE core, and silicone gasket for GL45 cap.
Dimension specifications of GL45 safety cap for mobile phase bottles.
GL45 threads on mobile phase bottle cap for strong sealing.
Autoclavable 180°C GL45 cap made from premium PP and PTFE materials.
GL45 safety cap precise 3.2mm hole spacing for 1/8 inch OD tubing.

Price range: $8.73 through $14.00

Features & Details

Efficient Laboratory Fluid Handling with the GL45 Safety Cap.
This professional-grade accessory is specifically engineered for 1/8 inch (3.2mm) OD tubing, providing a secure and leak-proof seal for reagent bottles to prevent solvent evaporation and ensure chemical safety during HPLC mobile phase delivery.

Material Polypropylene (PP) frame, PTFE insert plug, Premium silicone pad
Compatibility Standard GL 45 neck size reagent bottles
Tubing Fit 1/8 Inch (3.2mm) Outer Diameter (OD) Tubing
Heat Resistance Fully Autoclavable at 140°C / High temperature resistant
Hole Diameter 3.2mm / 0.126 inch
Dimensions 45mm (Diameter) × 32mm (Total Height)
Available Options 1 to 5 holes; Colors: Blue, Green, Red, Orange, Yellow

This GL 45 Safety Cap includes the high-durability cap frame, a chemically resistant PTFE insert, and the corresponding number of silicone sealing plugs for secure laboratory fluid transfer and sampling tasks.

Colorful GL45 mobile phase bottle caps in blue, orange, green, yellow, and red, featuring 180 degree Celsius autoclavable heat resistance.

The GL45 Safety Cap is an essential mobile phase bottle cap for modern labs. Autoclavable at 180°C, it offers unmatched heat resistance. This reagent bottle lid comes in multiple colors for easy identification, ensuring a safe and organized workspace for HPLC mobile phase delivery.
Multiple Specifications Available for GL45 Caps: 1-5 Holes
Multiple Specifications Available for GL45 Caps: 1-5 Holes
We offer multiple specifications for our GL45 reservoir cap, featuring 1 to 5 hole designs. Each port fits 1/8 inch OD tubing, facilitating smooth sampling and fluid transfer. This lab safety cap provides the flexibility required for complex chemical analysis and storage.

Technical Details and Sealing Structure of GL45 Safety Cap

Achieve leak-proof reagent storage with our PTFE inner core technology. This GL45 safety cap utilizes a high-grade silicone gasket and matching silicone plugs to ensure a hermetic seal. It effectively prevents hazardous vapor escape and solvent evaporation for your lab bottles.

Related products:
9-425 autosampler vial caps with PTFE/silicone septa

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