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Mica Products

Leading Manufacturer, Supplier & Retailer of Mica Splitting, Wet Ground Mica Powder, Natural Mica Sheets, Laminated Mica Products and Mica Scrap.

Mica Splitting

  • THICKNESS 0.15 to 0.23 mm
Mica has nearly perfect basal cleavage which permits it to be split into thinnest sheets, as low as, .0002 to .0003 inches without any crack or breakage, which in turn helped it to maintain a position of paramount importance as an insulating material.
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Wet Ground Mica Powder

It is produced in mills of the chaser types. It consists of a cylinderical steel tank with a diameter of 6 to 10 feet and height of 3 to 5 feet. The bottom is lined with wooden blocks laid with the end grain up. Four wooden rollers of 2 to 3 feet in diameter and 1 to 3 feet across the faces revolve round a central shaft, at 13 to 30 r.p.m. These rollers are so fitted that they can be raised or lowered according to the height of the charge in the wall. Cleaned and washed mica scrap is fed into the mills, water is added and the rollers revolve at low speed and churn tha mass until the grinding is complete. After about 36 hours the water is siphoned from the settling tanks, the sludge is dewatered and dried either in steam-jacketed kettles or in a steam-heated drier. The dried product is sieved on multiple-deck vibrating screens, usually in 160 and 325 mesh, and finally bagged for marketing. Wet ground mica have a high metallic lustre or silvery sheen and is free from grit. However, it is a slow and costly process, and therefore, the product is relatively expensive. It is especially used as a pigment extender in paints, particularly in zinc-oxide paint and as a mould lubricant and dusting agent in pneumatic tyres as well as wall paper.
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Natural Mica Sheets

Flexible Mica Sheets are produced from natural Muscovite mica splittings bonded with polyester or silicone resins. The controlled low binder content assures a throughly cured product in which the binder will not ooze or flow from the mica structure. They possess excellent flexibility and adhesiveness to permit winding or wrapping of the sheets at room temperature without heating. They can be formed or bent readily to any shape and will not become brittle and stiff. They can be applied to unusual configuration without tear.
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Laminated Mica Products

Laminated Mica or Mica products are employed in electrical engineering already since the turn of the century. Micanite is the name given to sheet material which is made up of fine mica lamellae, called "splittings", bonded together by a variety of bonding agents such as Shellac, epoxy, alkyd or silicone, in order to obtain particular characteristics for specific uses. Variations can be made in the method of manufacture, the types of Mica, and the type of quantity of bonding material used to form thick or thin, stiff or flexible products in the form of sheets, webs or ribbons and also moulded articles.

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Mica Scrap

Scrap mica basically, is a mica that is below specifications and not suitable for use as sheet mica, because of size, or quality. It is a by-product of mining, trimming, and fabricating sheet mica. Scrap mica is Classified and marketed in the following grades.
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