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Lava Grade A

Ferro-Ceramic Grinding Inc. machines over 15 different materials

Lava Grade A

Lava, Grade A Lava is a machineable ceramic material, sometimes referred to as ‘alumino-silicate’, based on its chemical formula.

Lava Properties

Lava is a machineable ceramic material, sometimes referred to as ‘alumino-silicate’, based on its chemical formula. It has a high use temperature, and excellent thermal and electrical insulating properties.

PropertiesUnitsTestValue
Physical
Chemical Formula--[Al2(Si4O10)(OH)2]
Density, rg/cm3ASTM C202.30
Color--pink
Crystal Structure--random
Water Absorption% @R.T.ASTM C3732.5
HardnessMoh's-6
Hardnessknoop (kg/mm2)Knoop 100g500
Mechanical
Compressive StrengthMPa @ R.T.ASTM C773172.5
Tensile StrengthMPa @ R.T.ACMA Test #420.7
Modulus of Elasticity
(Young's Mod.)
GPaASTM C848-
Flexural Strength (MOR)MPa @ R.T.ASTM F41769
Poisson's Ratio, u-ASTM C818-
Fracture Toughness, KIcMPa x m1/2Notched Beam Test-
Thermal
Max. Use Temperature
(* denotes inert atm.)
ºCNo load cond.1150
Thermal Shock ResistanceDT (ºC)Quenching-
Thermal ConductivityW/m-K @ R.T.ASTM C4081.98
Coefficient of Linear Thermal Expansion, almm/m-ºC (~25ºC through ±1000ºC)ASTM C3723.6
Specific Heat, cpcal/g-ºC @ R.T.ASTM C3510.20
Electrical
Dielectric Constant1MHz @ R.T.ASTM D1505.3
Dielectric StrengthkV/mmASTM D1160.1
Electrical ResistivityWcm @ R.T.ASTM D18291014
*Although we have no reason to doubt the accuracy of the data presented, Ferro-Ceramic Grinding Inc. offers this information for comparison only, and disclaims any and all liability from error, omissions or inaccuracies, such that it does not constitute a warranty or representation for which we shall assume legal responsibility.
 

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781.245.1833

sales@ferroceramic.com

Address:
Ferro-Ceramic Grinding Inc.
5 Cornell Place
Wilmington, MA 01887

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