What is Polymer Tungsten?
Polymer tungsten has an even higher density than lead. Tungsten poly is a suitable material for lead replacement applications. However, due to its extremely high melting temperature, molding tungsten into a shape is complex and costly. Still, tungsten poly can be formed into solids through a process called sintering. This is where tungsten poly and other metal powders are pressed into shape and bound in a special furnace.
What are Polymer Tungsten Castings?
Polymer tungsten casting is a kind of tungsten production. We can manufacturer a variety of collimators of complex design at a fraction of the usual price because of the developed technologies and new material.
Polymer tungsten castings have the density equivalence of lead but are lead-free, so tungsten poly castings are non-toxic and environmental friendly. Here too our engineering services are free and turnaround time is just a few days.
A new development with a dissolvable mold enables us to manufacture tungsten poly casting parts that were impossible to make in the past. Double-side, negative-release angles and undercuts can be cast.
Polymer tungsten Casting:
Polyurethane resin SG 130/PUR11 (stiffening time: 20-40min; recommended temperature of usage: 18-25ºC; aluminium powder and pigments can be added); obtainable in a chemical store;
Polyester resin (11-18% styrene; takes about 20min to dry; hardener: debyzoylperoxide or methylethylketon peroxide); obtainable at most chemical stores;
Fibre glass chopped strands; obtainable at most chemical stores;
Glass microspheres; obtainable in a chemical store;
Grey clay; obtainable in an art store;
Polyurethane UV- protection coat; obtainable in a chemical store;
Polyurethane and water based acrylic (e.g. Galeria®, Rembrandt®); obtainable in an artist store;
Peroxide hardener; sold with polyester;
Polyurethane foam; obtainable in a chemical store;
Screws, wooden and metal pieces;
Aluminium powder; obtainable in a chemical store;
Silica spheres; obtainable in a chemical store;
Fibre glass mats (300g/m2) and strands; obtainable in a chemical store;
Calcium carbonate powder; obtainable in a chemical store;
Colour pigment powder; obtainable in a chemical store;
Paint thinner; obtainable in a chemical store;
Plastic wrapper film;
Brushes; obtainable at art shops.