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Macor®
Corning
Machinable
Glass Ceramic
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
Lowest Competitive Pricing / Quick Delivery / Top Quality / Expert Design and Technical Assistance
Distributor * Fabricator * Prototype & Production

Boron Nitride Material Specs.:
Physical Properties
Units
Test
BN
BN
Grade A
BN
Grade AX05
BN
Grade HP
Chemical Formula
-
-
BN
95% BN
99% BN
95% BN
Density
g/cm3
ASTM C20
2.28
> 1.90
> 1.80
> 1.90
Color
-
-
white
white
white
white
Crystal Structure
-
-
hexagonal
hexagonal
hexagonal
hexagonal
Water Absorption
%@ R.T.
ASTM C373
0.0 - 1.0
-
-
-
Hardness
Moh's
-
2
5
2
4
Hardness
knoop(kg/mm1)
Knoop 100g
25 - 205
15.51 - 24.19
knoop (kg/mm2)
-
-
Mechanical Properties
Units
Test
BN
BN
Grade A
BN
Grade AX05
BN
Grade HP
Compressive Strength
MPa @ R.T.
ASTM C773
23.5
20780 (27060)
@ 25ºC
125
25
Tensile Strength
MPa @ R.T.
ACMA Test #4
2.41
(1000º C)
-
-
-
Modulus of Elasticity (Young'sMod.)
ºC
ASTM C848
675
-
17 - 71
40 - 60
Flexural Strength (MOR)
MPa @ R.T.
ASTM F417
51.8
11000 (16400) @ 25ºC 900 (1380) @ 1500ºC
2600 (3100)
@ 25ºC 6200 (11000) @ 1500ºC
6430 (8730)
@ 25ºC 1710
(2470) @ 1500ºC
Poisson's Ratio
-
ASTM C818
0.05
-
-
-
Fracture Toughness
Mpa x m1/2
Notched Beam Test
2.60
-
-
-
Thermal Properties
Units
Test
BN
BN
Grade A
BN
Grade AX05
BN
Grade HP
Max. Use Temperature
(*denotes insert atm.)
ºC
No load cond.
985
> 1000
> 1800
> 1000
Thermal Shock Resistance
deltaT (ºC)
Quenching
> 1500
-
-
-
Thermal Conductivity
W/m=k @ R.T.
ASTM C408
20.00
30
70 - 130
30
Coefficient of Linear Thermal Expansion
symbolm/m-ºC
(-25¡C through ²1000ºC)
ASTM C372
1.0 - 2.0
2
0
0
Specific Heat
cal/g-ºC @ R.T.
ASTM C351
0.19
1.610 @ 700ºCº
(J/g ºC)C)
-
-
Electrical Properties
Units
Test
BN
BN
Grade A
BN
Grade AX05
BN
Grade HP
Dielectric Constant
1Mhz @ R.T.
ASTM D150
4.08
4.0
4.0
4.0
Dielectric Strength
kV/mm
ASTM D 116
374.0
> 40
> 40
> 40
Electrical Resistivity
Wcm @ R.T.
ASTM D 182
1013
>1014
>1014
>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.

We Will Provide Defect-Free Products and Services to Our Customers' Requirements, On Time, Everytime
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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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©1976-2010 Technical Products, Inc. - All rights reserved
Last updated: 1/14/2010