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Technical Products, Inc.Technical Products, Inc
P.O. Box 189, Hubertus, WI 53033
Phone (262) 335-3635 * Fax (262) 335-3606 * Toll Free (800) 869-2008
E-mail: tpi@technicalproductsinc.com



Complete Ceramic Services
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Distributor * Fabricator * Prototype & Production

Alumina Silicate L911A (Lava) Material Specs.:
Physical Properties
Units
Test
Lava, Grade A
Chemical Formula
-
-
Al2(Si4010)(OH)2
Density
g/cm3
ASTM C20
2.30
Color
-
-
pink
Crystal Structure
-
-
random
Water Absorption
%@ R.T.
ASTM C373
2.5
Hardness
Moh's
-
6
Hardness
knoop(kg/mm1)
Knoop 100g
500
Mechanical Properties
Units
Test
Lava, Grade A
Compressive Strength
MPa @ R.T.
ASTM C773
172.5
Tensile Strength
MPa @ R.T.
ACMA Test #4
20.7
Modulus of Elasticity (Young'sMod.)
ºC
ASTM C848
-
Flexural Strength (MOR)
MPa @ R.T.
ASTM F417
69
Poisson's Ratio
-
ASTM C818
-
Fracture Toughness
Mpa x m1/2
Notched Beam Test
-
Thermal Properties
Units
Test
Lava, Grade A
Max. Use Temperature(*denotes insert atm.)
ºC
No load cond.
1150
Thermal Shock Resistance
deltaT (ºC)
Quenching
-
Thermal Conductivity
W/m=k @ R.T.
ASTM C408
1.98
Coefficient of Linear Thermal Expansion
symbolm/m-ºC
(-25¡C through ²1000ºC)
ASTM C372
3.6
Specific Heat
cal/g-ºC @ R.T.
ASTM C351
0.20
Electrical Properties
Units
Test
Lava, Grade A
Dielectric Constant
1Mhz @ R.T.
ASTM D150
5.3
Dielectric Strength
kV/mm
ASTM D 116
0.1
Electrical Resistivity
Wcm @ R.T.
ASTM D 182
1014
The information supplied is not to be taken as a warranty or representation for which Technical Products, Inc. assumes legal responsibility is offered solely for your consideration, investigation and verification. All risk of use, singly or in combination with other products,whether or not in accordance with the instructions, directions or suggestions is borne by the user.

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Technical Products, Inc
P.O. Box 189, Hubertus, WI 53033
Phone (262) 335-3635 * Fax (262) 335-3606
Toll Free: (800) 869-2008
E-mail: tpi@technicalproductsinc.com

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The glory and success of Technical Products, Inc. is due entirely to the benevolence of Our Lord Jesus Christ.
We thank him daily. - Dave & Kate Bresina, Owners
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Last updated: 1/14/2010