How do laboratory bottles, beakers and Erlenmeyer flasks become real stars of the laboratory scene? Borostar® has the answer: ‘With outstanding chemical resistance, maximum thermal shock stability and an extremely smooth surface that can withstand even the toughest conditions in the long term. We are therefore setting new standards for laboratory glassware.’

Regardless of whether extreme temperatures or challenging chemicals are involved - Borostar® borosilicate glass 3.3 impresses under all conditions.

And the best thing? This top performance convinces with an unbeatable price-performance ratio and is made from a sustainable, environmentally friendly glass. Borostar® products shine in every respect - making them real stars! See for yourself and discover why Borostar® glassware will be the first choice for your laboratory in the future.

 

Borostar® laboratory flasks offer the ideal solution for applications where chemical resistance and thermal stability are required.


Your advantages:

• High-quality material: Borosilicate glass 3.3 - chemically resistant and heat-resistant, ideal for demanding applications.
• Robust closure: Standardised GL45 thread with screw cap and pouring ring made of hard-wearing polypropylene - safe, leak-proof and leak-proof.
• Impeccable transparency: Optimum visibility of the contents for easy checking.
• Practical graduation and writing field: Precise measurements and the option of individual labelling to avoid mix-ups.
• Autoclavable: Suitable for applications up to 121 °C, ideal for sterilisation.
• Durability and user-friendliness: Robust design and easy handling for daily use in the laboratory.

The Borostar® beaker made of borosilicate glass 3.3 in low form is the ideal laboratory vessel for precise and safe work.


Your advantages:

• High-quality material: borosilicate glass 3.3 - for excellent chemical resistance and high thermal shock resistance.
• Variable shapes and sizes: Lower or higher shapes as well as different sizes
• Precise pouring: Clean liquid transfer without splashing thanks to the integrated spout.
• Impeccable transparency: Clear view of the contents thanks to the highly smooth surface for easy monitoring of reactions and processes.
• Helpful graduation: Engraved scale for precise measuring of volumes.
• Practical labelling field: Labelling field for clear identification and avoidance of mix-ups.

The high-quality Erlenmeyer flask made of borosilicate glass 3.3 is an indispensable laboratory instrument for chemical and biological research.


Your advantages:

• High-quality material: Borosilicate glass 3.3 has a very high temperature resistance and excellent chemical resistance - ideal for demanding laboratory environments.
• Various designs: Available in various sizes and as a wide or narrow neck opening.
• Excellent transparency properties: Clear view of the contents for easy monitoring of colour changes and sediment formation.
• Helpful graduation: Precise volume measurement for accurate dosing of chemicals.
• Practical labelling field: Labelling field for easy identification and documentation of samples and solutions.

Wegen seiner herausragenden Eigenschaften hinsichtlich Hitzebeständigkeit und Temperaturschockresistenz ist Borosilikatglas bestens für die täglichen Arbeiten im Labor geeignet. Es ist robust, stoßfest, schnittfest und nimmt keine Verfärbungen an. Es kann problemlos in Backofen-, Mikrowelle -oder Spülmaschine eingesetzt werden und überzeugt auch beim Einfrieren von Proben und Resten.

Water at 98 °C	(according to ISO 719)	HGB 1
Water at 121 °C	according to ISO 720)	HGA 1
Säuren	(according to ISO 1776)	1
Laugen	(according to ISO 695)	A2 or better

Wall thickness (in mm)	Resistance to thermal shock (°C)
1	303
3	175
6	124
10	96

Refractive index (λ = 587.6 nm) nd	1.473
Photoelastic constant (DIN 52314) K	4.0 x 10–6 mm2 x N–1