Description
Product Overview
The Karter Scientific 500ml glass media bottle is engineered for precision and durability in demanding laboratory environments. Crafted from high‑quality borosilicate glass, the container resists thermal shock, chemical corrosion, and mechanical impact, making it suitable for a wide range of scientific applications. The round shape provides a uniform wall thickness that enhances structural integrity while offering a classic aesthetic that aligns with modern lab standards. A secure GL45 screw cap, fabricated from blue polypropylene, ensures a leak‑proof seal, preventing accidental spills and preserving sample integrity during transport or long‑term storage. The bottle features clear, graduated markings at 50 ml intervals from 100 ml to 400 ml, allowing users to quickly assess volume without the need for additional measuring tools. Each bottle is reusable, supporting sustainable laboratory practices and reducing overall consumable costs.
Dimensions of the bottle measure approximately 178 mm in height and 89 mm in diameter, providing a compact footprint that fits comfortably on standard bench tops, shelving units, and storage racks. The lightweight yet robust construction, weighing just 0.89 kg per unit, facilitates easy handling while maintaining the resilience required for rigorous experimental protocols. The product is supplied in a convenient pack of two, enabling immediate deployment in paired experiments or duplicate sample sets.
Usage
Designed for versatility, this media bottle excels in a variety of laboratory settings, including microbiology, chemistry, molecular biology, and environmental testing. Researchers can employ the bottle for storing culture media, reagents, solvents, and other liquid samples that demand reliable containment. The leak‑proof GL45 cap is especially valuable when transporting hazardous or volatile substances, as it minimizes the risk of exposure and contamination. Additionally, the clear glass construction allows for visual inspection of contents, facilitating quick assessment of color changes, precipitation, or microbial growth without opening the container.
In educational laboratories, the bottle serves as an excellent teaching tool for demonstrating proper sample handling, measurement techniques, and safety protocols. Its graduated markings support hands‑on learning experiences, while the reusable nature aligns with institutional sustainability goals. For field researchers, the sturdy glass and secure cap provide confidence that samples will remain intact during transport to remote analysis sites.

Why Choose Us
Karter Scientific has a long‑standing reputation for delivering high‑performance laboratory glassware that meets stringent industry standards. Each media bottle undergoes rigorous quality control testing, including thermal cycling, impact resistance, and cap seal integrity, to guarantee consistent performance across batches. The use of borosilicate glass ensures that the bottle can withstand autoclaving and other sterilization processes without compromising clarity or structural strength, extending the product’s usable lifespan.
Beyond material excellence, Karter Scientific provides comprehensive customer support, including technical assistance, replacement parts, and a responsive warranty program. Our commitment to after‑sales service means that laboratories can rely on prompt resolutions for any issues that arise, reducing downtime and maintaining workflow efficiency. By choosing this bottle, laboratories benefit from a combination of durability, precision, and dedicated support that enhances overall research productivity.
Key Features
- Durable borosilicate glass resists thermal shock and chemical corrosion for long‑term use
- Leak‑proof GL45 screw cap prevents spills and preserves sample integrity
- Clear graduated markings at 50 ml intervals simplify volume measurement
- Reusable design supports sustainable lab practices and reduces consumable costs
- Comprehensive Karter Scientific customer support ensures reliable after‑sales service
FAQ
Can the bottle be autoclaved?
Yes, the borosilicate glass construction is rated for standard autoclave cycles, allowing you to sterilize the bottle without risking breakage or loss of clarity.
Is the GL45 cap compatible with other lab equipment?
The GL45 screw cap conforms to the widely used GL45 thread standard, making it interchangeable with many other laboratory containers and accessories that share the same thread size.
How many times can the bottle be reused?
When properly cleaned and maintained, the bottle can be reused indefinitely. Routine washing with mild detergents and occasional inspection for micro‑cracks will ensure continued performance.
What is the best way to clean the bottle after use?
We recommend a machine wash on a gentle cycle followed by a thorough rinse. For stubborn residues, a soak in a diluted laboratory-grade cleaning solution can be used before the final rinse.
Does the bottle meet any specific safety certifications?
Karter Scientific bottles comply with ASTM and ISO standards for laboratory glassware, providing assurance of material quality and safety for a broad range of scientific applications.




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