Sludyanaya Fabrika
Saint-Petersburg Mica Manufactory
Mica products and Exfoliated Vermiculite

About us
SAINT-PETERSBURG MICA MANUFACTORY is one of the main Russian producers of mica and mica products.

Mica Manufactory was established in 1925 in Leningrad. Since this year different industries were covered by our products such as avianbuilding, shipbuilding, electronics and others.

At present time Mica Manufactory is a supplier of natural mica, mica papers and tapes, mica paper plates and electric heating elements for more than 600 customers in Russia and abroad.

We also offer exfoliated vermiculite which is used in processing metal casting, purifying of wastewaters, agriculture, horticulture, ecology, chemistry industry and others.

We use mica of different deposits from different countries.

All our products have Russian certificates required.  

We are interested in partners abroad.


Our products

Natural Mica
Natural Muscovite Block Mica as raw mica to customer specification.
Natural Muscovite Splitting Plate Mica for condensers, commutators, electrical insulation in electrical machines and apparatus, sight glass for boiler pressure gauges, viewing windows for fuel burning stoves and others. 

Mica Paper Plates
Mica Paper Plates, Mica Papers and Tapes are based on Phlogopite mica.
Segment Rigid Mica Paper Plates
Application: rigid insulation in electrical machines and apparatus
Composition: several mica paper sheets bonded
Binder: phosphate, polyester, epoxy, silicone resin
Thermal class: H, F, maximal temperature 800°C.

Molding Mica Paper Plates
Application: moldable insulation in electrical machines and apparatus
Composition: several mica paper sheets bonded and glass cloth reinforced
Binder: phosphate, polyester, silicone resin
Thermal class: H, F

Flexible Mica Paper Plates
Application: flexible insulation in electrical machines and apparatus
Composition: several mica paper sheets bonded with/without glass cloth reinforced
Binder: silicone resin or chrome-aluminum phosphate
Thermal class: H, maximal temperature 800 °C.

Mica Papers
Mica Paper without Binder
Application: the base for glass reinforced mica tapes producing
Composition: mica paper sheet
Binder: no binder 
Thermal class: maximal temperature 800°C.

Mica Paper with Binder
Application: the base for mica paper plates producing
Composition: mica paper sheet bonded
Binder: phosphate, polyester, epoxy, silicone resin
Thermal class: F, maximal temperature 700 or 800°C.

Glass Reinforced Mica Tapes
Application: flexible insulation in electrical machines and apparatus
Composition: mica paper bonded to an electrical grade glass cloth
Binder: phosphate, polyester, epoxy, silicone resin, bituminous varnish, natural rubber
Thermal class: B, H, F

Mica Paper Tubes
Application: high voltage electrical insulator, high voltage electrical spacer, industrial heaters, resistor grids
Composition: mica paper bonded, up to 900 mm long, cut to length bushings
Binder: polyester, epoxy, silicone resin
Thermal class: H, F

Mica Electric Heating Elements
Application: all types of Heating Elements for Domestic Appliances (electric irons, toasters, hair dryers, electric stoves, kettles, roasters, room heaters and etc.) and Industrial applications (different required forms)
Type: surface, tubular, three-dimensional 
Working temperature: 500—1000°C

Vermiculite Exfoliated
Application: agriculture, horticulture, construction and other industries.
Particle sizes: grade Fine (100 kg/cu m), Superfine (150 kg/cu m), Micron (200 kg/cu m).

 Mica phlogopite scrap from Kovdor origin

mica phlogopite scrap kovdor

mica phlogopite scrap kovdor

For additional information, please, contact us:
Company: Sludyanaya Fabrika (Saint-Petersburg Mica Manufactory)
Address: 196650 Finlyandskaya str., 31, Kolpino, Saint-Petersburg, Russia
Telephone: +7 (812) 244-40-05
E-mail: office@spbsluda.ru