QSIL Navigator.


Find the product
that suits you.


Amber glass

Ideal for automotive signal lighting

Anti-scatter grids

Components for radiation management to reduce scattered radiation
Stäbe und Profile

Bars and profiles

The right solution for individual requirements

Blacklight Blue Glass

Ideal for fluorescent lamps that emit long-wave UV radiation


Precise manufacturing exactly according to your needs

Chemical etching

Production of precise components using a chemical etching technique

Compacting rollers

Perfect for pelletizing powders due to the low adhesion capacity

Components for compressors

Shorter response times due to lightweight belly character

Components for powder technology

Efficient powder processing through ceramic components

Components for sensor technology

Tailor-made properties for a wide range of applications

Components for valves and fittings

Ceramic valves and fittings for smooth operation
Doppel- und Scheidewandrohre

Double and septum pipes

Available in different material qualities

Flat and oval tubes

Quality according to your need


High temperature and corrosion resistant

Glass melting electrodes

Available in a wide range of sizes suitable for various furnace designs and glass schemes
Glasbläserische Produkte

Glassblowing products

From the individual item to the series product

Guide rollers

Very strong as well as wear, high temperature and thermal shock resistant

Heating inserts

Metal heating inserts exactly according to your specific requirements

Heating systems

We manufacture heating systems from W/Mo/Ta/Nb materials and their alloys according to customer designs or design and manufacture according to specific requirements.

Hollow cylinders (billets) of clear quartz glass

Ideal starting material for the production of rotationally symmetrical quartz glass products
Opakes Billet

Hollow cylinders (billets) of opaque quartz glass

Ideal starting material for the production of flanges for semiconductor process tubes and insulation rings

Immersion heating tubes

High strength, high temperature and thermal shock resistance


High dielectric strength combined with very good mechanical strength

LD quartz glass tubes

Longer service life at higher process temperatures

Metal-ceramic brazed assemblies

Highly vacuum-tight components for the highest demands

Metering wheels (also as ceramic-metal connection)

Reliable even under extreme conditions

Optical bench

Particularly low coefficient of thermal expansion

Oven parts and loading frames

Loading racks, oven boats, gratings, stove rails and more

Plain bearing components

For contact with corrosive media, abrasive substances or use at high temperatures

Plates for ballistic protection

Up to 50% lighter compared to steel

Plates for wear protection

Lining of components with flat or round or tubular surfaces

Plunger and piston

QSIL manufactures plungers in all common designs.

Precision parts

For a wide range of applications in plant and mechanical engineering

Pump applications and matrices

Low friction with high surface quality

Quartz glass blocks and plates

Variety in detail
Rohre in Massenproduktion

Quartz glass tubes in mass production

High surface finish

Riser pipes

Ceramic riser pipes enable the conveyance of melts or chemical substances

Rolling and plain bearings

Major advantages over steel bearings

Screw conveyors

Abrasion resistance reduces contamination

Sol-Gel Products

For demanding requirements

Special glass tubes

Our special glass tubes are manufactured in a cost-efficient one-step process at our site in Winschoten (NL).

Surface coating

Product refinement by electroplating with gold, silver, nickel, nickel phosphorus, rhodium and ruthenium.

Thermoforming dies

Abrasion resistance and low adhesion for forming technology
Transparente Quarzglasrohre

Transparent quartz glass tubes

High surface finish

Tubes for wear protection

Exactly what you need for your line systems.

UVC glass

Ideal for water and air purification by UV radiation

Wafers / Base plates (MEMS)

High strength and damage tolerance


Contact us for more information.

We will be happy to advise you!

Experienced, competent and always approachable: Our QSIL team.
Phone: +49 3677 64150
E-mail: info.il@qsil.com