Muscovite Block Mica - Grade 3

$50.00
per pound

Muscovite Block Mica - Grade 3

Muscovite mica derives its name from it's usage of "Muscovy" glass as glass panes many years ago. The primary source of Muscovite mica today is India. Natural mica in raw (also called Block) form is classified by how many square inches of usable area can be obtain per piece. Grade 3 block will yield a usable area of 10 to 15 square inches.  Colors can range from a pale ruby to light green.  Color depends on which area it's mined and will vary from lot to lot. 

Characteristics
Thermal Conductivity 16 x 10-4 Cal/Cm2/Sec/Cm/°C
Dielectric Strength - volts/mil Ruby Mica 3,000 to 6,000
Dielectric Constant 6.5 to 8.7
Maximum Temperature of use 650°C
Specific Heat 0.207 cal/gram °C
Shore Hardness 80 to 150
Specific Gravity 2.6 to 3.2
Water of Constitution 4.50%
Water of Constitution, driven off at, °C 600-800
Chemical Composition H2KAI3(SiO4)3
Punching Quality Excellent