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| Main Performance Index
of CERAMIC |
CLASSIFICATION |
AL2O3-95 |
AL2O3-99 |
COMPOSITION |
AL203¡Ý90% |
AL203¡Ý98% |
COLOUR |
(WHITE)
(BEIGE)
(RED)
(BLACK) |
(WHITE)
(BEIGE)
(BLACK) |
DENSITY(g/cm^3) |
¡Ý3.6 |
¡Ý3.8 |
POROSITY |
¡Ü0.5 |
¡Ü0.4 |
ROCKWELL
HARDNESS |
¡Ý82 |
¡Ý87 |
BREAKING
STRENGTH |
¡Ý2400 |
¡Ý2600 |
STABILITY
OF THERMAL VIBRATION |
¡Ý5 |
¡Ý5 |
OPTICAL
FLATNESS |
¡Ü0.0009 |
¡Ü0.0006 |
ROUGHNESS |
¡ÜRa0.4 |
¡ÜRa0.2 |
LIGHT
BAND |
¡Ü3 |
¡Ü1 |
Tungsten
| Main Technology Date of
Tungsten Carbide(TC) |
ITEM |
WC-Co |
WC-Co |
WC-Co |
WC-C1 |
Brand
No. |
YG6 |
YG8 |
YG15 |
YWN8 |
Density(g/cm^3) |
14.6¡«15.0 |
14.5¡«14.9 |
13.9¡«14.2 |
14.4¡«14.8 |
HRA |
89.5 |
89 |
87 |
88 |
Bending
strength(N/mm^2) |
1421 |
1470 |
2058 |
1470 |
Linear
Expansivity 10-6/K(20oC¡«50oC) |
5 |
5.1 |
6.3 |
5.3 |
Medium |
RESISTANT
AGAINST:OIL,SEWAGE WATER,WEAK
ACID/ALKALI,ETC. |
Strong
erasive medium |
Rubber
| Rubber classification&Features |
RUBBER
BRAND |
Main
Feature & Suitable
Scope |
NBR |
Resistant
against:oil,pressure,abrasion.High
elasticity and mechanical
strength.Suitable for
general hydraulic and
pneumatic seal;Unsuitable
for working under sunlight
and ultraaviolet.
Application
temperature:-20¡«120oC |
| EPDM |
Resistant
against:chemical reagents
Suitable
for hydraulic fluid of
organic phosphate
Application
temperature:-50¡«150oC |
VITON |
Resistant
against:heat,ol,reagents.Suitable
for high temperature hydraulic
equipment and vacuum equipment.
Application
temperature:-30¡«50oC |
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SIC
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