Description

Biofargo polycarbonate Erlenmeyer flasks are engineered for reliable suspension cell culture applications in biopharmaceutical research, vaccine production, and protein expression.

Each flask is manufactured from optically clear, high-strength polycarbonate (PC) under cGMP-compliant, automated production to ensure consistent quality and sterility. The flasks are gamma-irradiated, nonpyrogenic, and free from detectable cytotoxic substances, making them ideal for sensitive mammalian cell cultures such as CHO, 293, and Sf9 lines.

The hydrophobic vent cap provides efficient gas exchange while preventing contamination, and the precision-molded T-type sealing system ensures a tight, leakproof connection. The flask body features uniform wall thickness, reinforced conical shape, and clear graduations, offering excellent stability and visibility during orbital shaking.

The material and performance specifications of Biofargo’s 1 L polycarbonate flask are comparable to major international models such as Corning® 431147, ensuring equivalent clarity, strength, and cell culture performance while maintaining cost efficiency and stable supply.

Corning® is a registered trademark of Corning Incorporated. The use of this reference is for product specification comparison only.

Specification

Cap material	PP
Flask material	PC (polycarbonate)
Cap Style	Vented
Cap color	Green
Neck O.D. (Outer Diameter)	43 mm (approx.)
Flask Style	Erlenmeyer
Top Style	Threaded
Graduation Interval	50ml
Temperature Resistance	121℃
Endotoxin	≤0.05 EU/ml

Competitor Comparison

Specification	Biofargo	CORNING	Nalgene^TM	NEST^®
Composition	PC	PC	PETG	PC
Temperature Resistance	121℃	121℃	60℃	121℃
Light transmittance	≥80	-	-	-
Closure Type	vented or sealed	vented or sealed	vented or sealed	vented or sealed
Cap Composition	PP	PP	HDPE	HDPE
DNase-free	√	√	√	√
RNase-free	√	√	√	√
Pyrogen-free	√	√	√	√
Endotoxin Acceptance	≤0.05 EU/mL	≤0.1 EU/mL	-	≤0.05 EU/mL
Sterility	√	√	√	√
Recommended Working Volume	3 L and below: 30%–40% of the total volume; above 3 L: 50%–70% of the total volume	3 L and below: 30%–40% of the total volume; above 3 L: 50%–70% of the total volume	-	30%–40% of the total volume
Volume	125 mL–5 L	125 mL–5 L	125 mL–2.8 L	125 mL–5 L
Autoclavable(times)	Suggest 1	1	-	-

Features

High-quality polycarbonate (PC) construction – excellent optical clarity (≥80% light transmittance), high mechanical strength, and reliable temperature resistance from −130 °C to +130 °C.
Gamma-irradiated, sterile, and nonpyrogenic – produced under cGMP conditions with no human contact to ensure product consistency and biosafety.
Hydrophobic vent cap membrane – maintains effective gas exchange while preventing liquid leakage or contamination.
Precision-engineered sealing system – integrated T-type leakproof closure with conical threads for smooth tightening and secure fit.
Anti-slip and anti-eccentric neck design – ensures safe handling and prevents accidental slippage during shaking.
Uniform wall thickness and reinforced conical shape – offers superior pressure resistance and durability for high-speed shaker applications.
Concave bottom design – enhances stability and ensures even mixing performance.
Clear volume graduations and writable marking area – easy volume observation and sample identification.
Ideal for suspension cell culture – optimized for CHO, 293, Sf9, and other suspension cell lines used in biopharmaceutical, vaccine, and protein production.

Application

Designed for the cultivation of various suspension cells, including 293 and CHO.
Widely used in process development, biopharmaceutical production, vaccine development, and protein research.
Ideal for small-scale experiments, preliminary studies, media optimization, and pilot screenings of bacterial or mammalian cell cultures.
Compact 125 mL Erlenmeyer Flask ensures efficient gas exchange and nutrient utilization in limited-space laboratory setups.
Suitable for small-scale process development and stepwise scale-up culture stages.

FAQ

Q: What is PC?

A: PC refers to polycarbonate, a kind of high-performance engineering plastic with excellent transparency, impact resistance, and temperature resistance, which is used as the flask material here.
Q: Can it be autoclaved (high-pressure sterilized)?

A: Yes, it can be autoclaved. The temperature resistance is 121℃, suitable for high-pressure sterilization.
Q: What is the Recommended Working Volume?

A: 3 L and below: 30%–40% of the total volume; above 3 L: 50%–70% of the total volume.

Validation Data

Material Extractable

Endotoxin

Dnase / Rnase / Pyrogen Free

Sealing

Torque Performance

Membrane Function

500 mL PC Erlenmeyer Flask Flat Bottom with PTFE-Lined Screw Vent Cap Sterile Autoclavable Individual Packed