23.12/2022
Merry Christmas and Happy New Year 2023!
27.06/2022
POLEMA’s QMS confirmed its compliance with ISO 9001:20015
POLEMA JSC confirmed the compliance of the current QMS with the requirements of ISO 9001:2015.
03.06/2011
Progressive materials for multi-functional vacuum coatings
Application fields of materials for multi-functional vacuum coatings, characteristics of sputtering targets and evaporable sources used for technologies of physical deposition of hardening, protective, decorative and light-reflecting coatings, resistive, switching and transparent electro conductive films.
24.05/2011
Molybdenum and tungsten products for production of leucosapphires
POLEMA JSC is the leading global manufacturer of chromium, molybdenum, tungsten products, metal powders and composite materials.
Tin and Sn alloys
Babbit powder AP-SnSb11Cu6 (Babbit B83)
The powder of a tin-based alloy (Babbit) of the grade PR-B83 is meant for applying anti-friction coatings on parts, including parts on heavy load-bearing friction bearings.
| Grade | Sn | Sb | Cu | Fe | Pb |
| maximum | |||||
|
AP-SnSb11Cu6 (Babbit B83) |
base | 10.0-12.0 | 5.5-6.5 | 0.1 | 0.5 |
| The powder can be delivered on the client's request with additional control over the admixtures: As, Zn, Bi, Al. | |||||
Particle size: less than 40 microns (with base fraction content of at least 95%), 40-100 microns (with base fraction content of at least 85%), or other dimensions based on the client's needs.
Powder of the brazing alloy AP-Sn61Pb
Powder of the AP-Sn61Pb grade tin-lead alloy are intended for tin-plating and brazing.
In terms of chemical composition and particle size, the powder is prepared in accordance with the requirements of GOST 21930, GOST 21931, or based on the client's individual specifications.
|
Grade |
Sn |
Pb | Sb | Cu | Bi | As | Fe | Ni | S | Zn | Al |
| maximum | |||||||||||
| AP-Sn61Pb | 59-61* | remainder | 0.10 | 0.05 | 0.2 | 0.02 | 0.02 | 0.02 | 0.02 | 0.002 | 0.002 |
| *Powder can be produced with other limits in terms of Sn content, based on specifications. | |||||||||||
Particle size: less than 71 microns (with base fraction content of at least 95%), and other sizes based on the client's request.
