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PROPERTIES
UNITS TEST

BC
AL 85

BC
AL 90

BC
AL 94

BC
AL 96

BC
AL 99.5

ZARCONIA
BC Z

MULLITE
BC Z

COLOUR
White
White
White
White
Ivory/White
Yellow/Ivory
White
DENSITY
g/cc

ASTM
C20-83

3.45
+/- 0.05

3.60
+/- 0.05

3.65
+/- 0.05

3.70
+/- 0.05

3.85
+/- 0.05

5.75
+/- 0.05

2.80
+/- 0.05

HARDNESS
(ROCKWELL)

R45N

ASTM
E18

73
75 +/- 3
78 +/- 3
80 +/- 3
83 +/- 3
85 +/- 3
65 +/- 3
WATER
ABSORPTION
%
ASTM
C373-72
NIL
NIL
NIL
NIL
NIL
NIL
2%

FEXURAL
STRENGTH
20 Deg.C (MORE)

Mpa
ASTM
F417-78
295
325
340
358
380
620
180

ELASTIC MODULES
20. Deg.C

Gpa
ASTM
C848-78
225
241
279
300
375
450
150

COMPRESSIVE
STRENGTH
20. C

Mpa
ASTM
C773-82
1930
1986
2011
2068
2600
4820
1310

TENSILE
STRENGTH 25.C

Mpa

ASTM
TEST4

155
165
182
195
260
415
95

FRACTURE
TOUGHNESS
K 10

MPA
M1/2

NOTCHED
BEAM
TEST

3T4
3 - 4
4 - 5
4 - 5
4 - 5
7 - 10
1.5 - 2

WEAR & CHEMICAL
PROPERTIES
CORROSION

mg/cm2/day
95%H2
504
0.031.00
0.024.00
--
--
--
--

MAXIMUM
USE
TEMPERATURE

Deg.C
NO LOAD
CONDITION
1450
1550
1600
1800
1800
1800
1800

 

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