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Graphite ring
Carbon Graphite Products For Mechanical Use
Classification |
Type |
Compression |
Flexural strength≥Mpa |
Xiao’s hardness |
Air vent rate |
Density of |
Use |
Carbon |
HMC-201 |
50 |
30 |
40 |
15 |
1.60 |
350 |
HMC-154 |
60 |
30 |
45 |
20 |
1.60 |
350 |
|
HMC-254 |
62 |
35 |
45 |
18 |
1.65 |
400 |
|
HMC-204 |
70 |
35 |
55 |
15 |
1.65 |
400 |
|
HMC-106 |
80 |
38 |
60 |
20 |
1.70 |
450 |
|
HMC-206 |
56 |
25 |
50 |
20 |
1.72 |
450 |
|
HMC-207 |
65 |
35 |
55 |
20 |
1.72 |
500 |
|
HMC-120 |
78 |
36 |
62 |
12 |
1.80 |
500 |
|
Flood |
HMC-154F |
100 |
50 |
70 |
1.5 |
1.70 |
180 |
HMC-254F |
110 |
55 |
76 |
1.2 |
1.72 |
180 |
|
HMC-106F |
176 |
60 |
85 |
1 |
1.85 |
180 |
|
HMC-120F |
160 |
60 |
75 |
1 |
1.85 |
180 |
|
Flood the furan resins |
HMC-254K |
100 |
55 |
70 |
1.3 |
1.72 |
200 |
HMC-106K |
170 |
60 |
82 |
1 |
1.85 |
200 |
|
HMC-120 K |
150 |
60 |
76 |
1 |
1.85 |
200 |
|
Flood the epoxy resin |
HMC-203H |
100 |
57 |
70 |
1.5 |
1.72 |
200 |
HMC-205H |
168 |
60 |
82 |
1.2 |
1.85 |
200 |
|
HMC-208H |
150 |
60 |
76 |
1.2 |
1.86 |
200 |
|
Flood |
HMC-254F4 |
100 |
65 |
70 |
1..2 |
1.72 |
260 |
HMC-206F4 |
170 |
70 |
80 |
1 |
1.85 |
260 |
|
HMC-120F4 |
150 |
70 |
72 |
1 |
1.85 |
260 |
|
Flood the Babbitt alloy |
HMC-254B |
110 |
50 |
80 |
3 |
2.30 |
220 |
HMC-106B |
180 |
55 |
85 |
3 |
2.50 |
220 |
|
Flood the antimony alloy |
HMC-254D |
130 |
55 |
90 |
2.8 |
2.50 |
450 |
HMC-106D |
185 |
60 |
100 |
2.8 |
3.50 |
450 |
|
Flood the copper alloy |
HMC-254C |
120 |
55 |
90 |
2.5 |
5.50 |
400 |
HMC-106C |
185 |
60 |
100 |
2.5 |
5.50 |
400 |
High pure |
TYPE |
Compression |
Resistivity |
Ash % |
Air vent rate % |
Density of volume g/cm3 |
HMC-101 |
42 |
15 |
0.5 |
23 |
1.70 |
|
HMC-102 |
58 |
15 |
0.5 |
21 |
1.73 |
|
HMC-103 |
52 |
15 |
0.5 |
21 |
1.72 |
|
HMC-104 |
59 |
15 |
0.5 |
20 |
1.75 |
|
HMC-650 |
69 |
15 |
0.5 |
18 |
1.78 |
|
HMC-800 |
73 |
15 |
0.5 |
17 |
1.80 |
F4Performance and Indicators:
| Flood Polytetrafluoroethylene | ||
Serial number technology |
Unit |
Numerical value |
Density |
g/cm3 |
2.1-2.3 |
Tensile strength |
Mpa |
>=25.5 |
Part and Elongation rate |
% |
>=250 |
Brinell hardness |
Kg/cm2 |
4.54 |
Thermal conductivity |
Kcal/mh/℃ |
0.21 |
Linear expansion coefficient |
Cm/℃ |
×0.0001 |
|
－300℃ |
1.09 |
|
－50－0℃ |
1.13 |
|
0－50℃ |
1.23 |
|
50－100℃ |
1.34 |
|
100－150℃ |
1.365 |
|
150－200℃ |
1.69 |
|
200－250℃ |
2.165 |
Volume resistivity |
Omega/cm |
>=10∧17 |
Surface resistivity |
Omega |
>=10∧14 |
Dielectric loss tangent values |
KV/mm |
<=0.00025 |
Friction coeffient |
|
》=60 |
Heat resistance |
|
0.04-0.15 |
|
℃ |
－300－260 |
Polytetrafluoroethylene which is short for PTFE, also known as F4, Teflon, has unique heat resistance and excellent lubricity in plastic products ,so it can be called “the king of plastic”.
There are some datum about pure PTFE in this table , filling PTFE material can be made by adding various fillings into the pure PTFE material.
Filling PTFE material compared to pure PTFE has the following characteristics:
8. High load deformation can be increased by 5 times;
9. Wearable consumption may increase 5-8 times;
10.steel may raise 3-5 times;
11.Linear expansion coefficient can be reduced 1/3-1/2;
12.Thermal conductivity can be increased by 5 times;
13.Creep resistance can increase 3 times;
14.Compressive strength can enhance 2-3 times.
After adding to filling, the tensile strength, elongation, and impact strength has declined. Therefore, to select filler ratio of ingredients based on the products’ performance requirements so as to achieve desired results.
Hot Modulus Graphite Performance Indicators:
Type |
Flexural strength>=Mpa |
Impact strength>=Kl/m2 |
Variable temperature heat>=℃ |
Xiao’s hardness Hs |
Bulk densityg/cm3 |
HMC-301 |
72 |
5.5 |
200 |
70 |
1.85 |
HMC-302 |
76 |
5.8 |
200 |
76 |
1.90 |
HMC-303 |
80 |
6.0 |
220 |
78 |
1.95 |
Mechanical Carbon Graphite Flooded Chemical Corrosion Resistance
Medlium |
Concentration% |
The carbon graphite floods the alloy material |
The carbon graphite floods the resin material |
||||||
Copper alloy |
Antimony alloy |
Aluminim alloy |
Babbitt alloy |
Furan |
epoxy |
Phenol aldehyde |
Polytetrafluo- roethylene (PTFE) |
||
Sulphuric |
98 |
Still stability |
Still stability |
Instability |
Still stability |
stability |
Still stability |
Instability |
stability |
50 |
Still stability |
Still stability |
Still stability |
Still stability |
stability |
Instability |
Instability |
stability |
|
Nitric acid |
50 |
Still stability |
Still stability |
Still stability |
Still stability |
Instability |
Still stability |
Still stability |
stability |
Hydrochloric |
36 |
Still stability |
Still stability |
Still stability |
Still stability |
Instability |
Instability |
Instability |
stability |
Hydrofluoric acid |
40 |
Still stability |
Still stability |
Still stability |
Still stability |
Instability |
Still stability |
Instability |
stability |
Phosphoric |
85 |
Still stability |
Still stability |
Instability |
Still stability |
stability |
stability |
stability |
stability |
Chromic acid |
10 |
Still stability |
Still stability |
Still stability |
Still stability |
Instability |
Instability |
Instability |
stability |
Acetic acid |
6 |
Instability |
Still stability |
Still stability |
Still stability |
Instability |
Still stability |
stability |
stability |
Hydrogen |
50 |
stability |
Still stability |
Still stability |
Still stability |
stability |
stability |
Still stability |
stability |
Hydrogen |
50 |
stability |
Still stability |
Still stability |
Still stability |
Instability |
stability |
Still stability |
stability |
Sea water |
－ |
stability |
Still stability |
Instability |
stability |
stability |
stability |
Instability |
stability |
Benzene |
100 |
Still stability |
stability |
stability |
stability |
stability |
Instability |
stability |
stability |
Ammonia water |
10 |
Still stability |
stability |
stability |
Instability |
stability |
stability |
Instability |
stability |
Urea |
70 |
Still stability |
stability |
stability |
Instability |
stability |
stability |
stability |
stability |
Carbon |
－ |
stability |
stability |
stability |
stability |
stability |
stability |
stability |
stability |
acetone |
100 |
stability |
stability |
stability |
Instability |
stability |
Instability |
Instability |
stability |
Engine oil |
－ |
stability |
stability |
stability |
stability |
stability |
stability |
stability |
stability |
Petrol |
－ |
stability |
stability |
stability |
stability |
stability |
stability |
stability |
stability |
Type Structure:
| Categories | Basic Forms |
|||
Static ring(Geostationary ring) |
 |
 |
 |
|
Dynamic ring(Rotating ring) |
 |
 |
 |
|
Piston ring |
 |
 |
 |
|
|
 |
 |
 |
|
 |
 |
|||
| Categories | The radial bearings |
Thrust bearing |
The radial thrust bearing |
Axis mat |
Mosaic graphite bearings |
|
|
|
|
|
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