Description
Product Overview
The QiMan laboratory flask is crafted from premium heavy‑wall borosilicate glass, offering exceptional thermal shock resistance and durability for demanding scientific work. Each flask is hand‑blown to ensure uniform wall thickness and a bubble‑free interior, providing high transparency for clear solution monitoring. Available in a range of volumes from 25 ml to 500 ml, the design includes a frosted, delicate mouth and a thin‑neck profile that minimizes spillage and enhances sealing performance. The smooth, bump‑free body not only looks refined but also simplifies cleaning and handling.
Usage
Designed for laboratory distillation, reflux, and heating applications, this flask excels in chemistry, biology, and materials research environments. Its high temperature tolerance makes it suitable for heating over Bunsen burners, hot plates, or oil baths, while the frosted mouth prevents accidental drips during transfers. Ideal for researchers, educators, and technicians who require reliable glassware for precise solution preparation and analysis.

Why Choose Us
QiMan stands for quality craftsmanship and rigorous testing. Each flask undergoes strict inspection to guarantee uniform thickness, flawless clarity, and robust sealing capability. Our commitment to customer satisfaction includes responsive support for any damage concerns, ensuring you receive a product that meets professional standards.
Key Features
- Heavy‑wall borosilicate glass resists high temperatures and thermal shock.
- Hand‑blown construction ensures uniform thickness and bubble‑free interior.
- Frosted mouth and thin neck design prevent spills and provide excellent sealing.
- High transparency allows easy observation of solution levels.
- Reusable, durable, and easy to clean for long‑term laboratory use.
FAQ
What temperature range can the flask withstand?
The borosilicate glass is rated for continuous use up to 350 °C, making it suitable for most heating applications in the lab.
Is the flask compatible with standard laboratory clamps?
Yes, the flask features a standard round neck that fits securely with common lab clamps and stands.
Can I use the flask for vacuum distillation?
The frosted mouth and tight‑fitting neck provide reliable sealing, allowing safe use in low‑vacuum distillation processes.
How should I clean the flask after use?
Rinse with distilled water and mild detergent, then rinse again. For stubborn residues, soak in a suitable solvent and rinse thoroughly.
What is the warranty policy?
If the flask arrives damaged, contact QiMan support within 30 days for a replacement or refund.




ZGHSWM HDPE Lab Bottle Chemical Resistant Wide Opening
Reviews
There are no reviews yet.