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AFM Mica Discs

AFM Mica Discs

Available in four different diameters.

All prices exclude VAT.

Description Tech Data

Name & Code

Grouped product items
Code & Description	Availability	Price	Qty
AGF7013 Mica Disc 10mm V1 Pk10 Loading...	Loading...	£14.71	£14.71
AG50-12 Mica Disc 12mm V1 Pk10 Loading...	Loading...	£20.50	£20.50
AG50-15 Mica Disc 15mm V1 Pk10 Loading...	Loading...	£23.64	£23.64
AG50-20 Mica Disc 20mm V1 Pk10 Loading...	Loading...	£32.40	£32.40

Product Description

Highest quality grade V1 mica, 0.21mm (0.0085”) thick. Interleaved, in packages of 10. Can be mounted on AFM/STM discs. Available in four diameters: 10mm (0.39"), 12mm (0.47"), 15mm (0.59") and 20mm (0.79").

Technical Data

PHYSICAL PROPERTIES OF MICA GRADE V1
Characteristic	Unit	Muscovite
Colour		Ruby / Green
Density	gm/cm³	2.6 - 3.2
Density	lb/ln³	0.095-0.116
Specific Heat		0.21
Hardness	Moh Scale	2.8 - 3.2
Hardness	Shore Test	80 - 105
Optic Axial Angle		55 - 75
Tensile Strength	kgf/cm²	about 1750
Tensile Strength	lbf/in²	about 25000
Shear Strength	kgf/cm²	2200 - 2700
Shear Strength	lbf/in²	31000 - 38000
Compression Strength	kgf/cm²	1900 - 2850
Compression Strength	lbf/in²	27000 - 32000
Modulus of Elasticity	kgf/cm² x 10^-3	1400 - 2100
Modulus of Elasticity	lbf/in² X 10^-6	20 - 30
Coefficient of expansion per °C perpendicular to cleavage plane		9 X 10^-6 - 36 X 10^-6
Calcining Temperature	C	700 - 800
Calcining Temperature	F	1290 - 1470
Maximum operating temperature	C	500 - 600
Maximum operating temperature	F	930 - 1110
Thermal conductivity
Perpendicular to cleavage planes	Gm.cal/sec/cm²/C/cm	about 0.0013
Perpendicular to cleavage planes	BTU/hr/ft²/0f/ft	about 0.31
Parallel to cleavage planes	Gm.cal/sec/cm²/C/cm
Parallel to cleavage planes	BTU/hr/ft²/0f/ft
Water of constitution %		4.5
Moisture absorption		Very low
Apparent electric strength	0.001" to 0.003" KV/mm	120 - 200
Apparent electric strength	thick Volts per 0.001"	3000 - 5000
R.M.S. at 15° C (60°F)	0.01" to 0.05" KV/mm	40 - 80
R.M.S. at 15° C (60°F)	thick Volts per 0.001"	1000 - 2000
Permittivity at 15°C(60^oF)		07-Jun
Power Factor (loss tangent)	@ 15° C (60° F)	0.0001 - 0.0004
Volume Resistivity	25° C (77° F) ohm cm	40 x 10¹³-2 x 10¹⁷
Acid reaction		Affected by Hydrofluoric Acid

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PRICE & AVAILABILITY: Please note that while we are working closely with our suppliers to minimise any global supply chain issues, prices and availability may be subject to change at short notice.