Biotite Mica For Oil Drilling Paper Making

Biotite is in black or dark brown, sometimes with light red, light green or other tones. It is in light reddish brown with high titanium content and in green with high ferric iron content. Biotite has vitreous luster and its cleavage plane has nacreous luster. Biotite is also featured by its extremely high electric insulativity, good acid and alkaline corrosion resistance, thermal and acoustic insulation and small thermal expansion. Huayuan Biotite is widely used in building materials, firefighting, extinguishing agent, welding electrodes, paper making and asphalt paper.

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Unique Properties

● Layered structure

● Chemical resistance

● Low thermal conductivity

● Heat stability

● Low coefficient of friction

● Vibration damping (acoustics)

● Flexible

Chemical Composition

Element	SiO₂	Al2O3	Fe2O3	MgO	K₂O	CaO	Na₂O
Content (%)	35.26-51.56	10.65-29.88	11.5-25.8	11.42-19.45	6.5-11.89	0.4-0.6	0.6-0.7

Certificate

Our factories have achieved ISO Certificate, 23 technologies have obtained national patents.

Application

Building materials, firefighting, extinguishing agent, welding electrodes, paper making and asphalt paper. It can be used as functional filler to plastics, coating production, paint and rubber.

At present, biotite mica is very popular in non-woven fabrics for face masks. As a raw material, biotite mica is first made into masterbatch. Then it is produced into non-woven fabrics with some antibacterial materials. And these non-woven fabrics will eventually made into face masks. Biotite has the functions of deodorizing, antibacterial and far-infrared rays. Therefore, masks made of biotite can deodorize more than 99%.