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The technique of moulding conductive elastomers has a wide range of benefits. This process allows T C Shielding to manufacture components that have a very accurate tolerance requirement. Below is a list of its major advantages:
General Description | ||||||||
---|---|---|---|---|---|---|---|---|
EcE Material Reference (Type) | 1A | 1B | 1D | 1F | 1G | 1I | ||
Elastomer Type (Sil - Silicone, F/Sil - Fluorosilicone) | Sil | Sil | Sil | Sil | Sil | Sil | ||
Filler Material | Ag/Ni | Ag/Cu | Ag/Al | Carbon | Ag | Ag/Glass | ||
Colour | Tan | Tan | Tan | Black | Tan | Tan | ||
Electrical Properties | Tol | Test Method | ||||||
Volume Resistivity (ohm.cm) | Max | 0,005 | 0,005 | 0,008 | 9,000 | 0,002 | 0,005 | |
Shielding Effectiveness (dB) 200 KHz (H-Field) |
MIL-G-83528 MIL 285 |
70 | 70 | 70 | 30 | 70 | 55 | |
100 MHz (E-Field) | 105 | 115 | 110 | 65 | 115 | 95 | ||
500 MHz (E-Field) | 105 | 115 | 105 | 60 | 115 | 95 | ||
2 GHz (Plane Wave) | 100 | 115 | 100 | 40 | 115 | 95 | ||
10 GHz (Plane Wave) | 100 | 115 | 100 | 30 | 115 | 95 | ||
Physical Properties | ||||||||
Specific Gravity (g/cm∆) | ±5% | ASTM D-792 | 3,71 | 3,32 | 2,19 | 1,19 | 3,20 | "2.00 75 1.25" |
Hardness (Shore A) | ± 5 | ASTM D-2240 | 70 | 75 | 70 | 70 | 75 | |
Tensile Strength (MPa) | Min | ASTM D-412 | 1,25 | 1,25 | 1,25 | 5,00 | 1,25 | |
Elongation (%) | Min | ASTM D-412 | 100 | 100 | 100 | 150 | 100 | 100 |
Compression Set (%) | Max | ASTM D-395 | 30 | 30 | 30 | 20 | 30 | 30 |
Upper Operating Temperature (°C) | - | 160 | 125 | 160 | 160 | 160 | 160 | |
Lower Operating Temperature (°C) | - | ASTM D-1329 | -50 | -50 | -50 | -50 | -50 | -50 |
General Description | ||||||||
---|---|---|---|---|---|---|---|---|
EcE Material Reference (Type) | 1J | 1J/8 | 2A | 2B | 2D | 2J | ||
Non Flam | ||||||||
Elastomer Type (Sil - Silicone, F/Sil - Fluorosilicone) | Sil | Sil | F/Sil | F/Sil | F/Sil | F/Sil | ||
Filler Material | Ni/Gr | Ni/Gr | Ag/Ni | Ag/Cu | Ag/Al | Ni/Gr | ||
Colour | szary | szary | Tan | Tan | Green | Green | ||
Electrical Properties | Tol | Test Method | ||||||
Volume Resistivity (ohm.cm) | Max | 0,05 | "0.050- | 0,005 | 0,005 | 0,01 | 0,05 | |
0.100" | ||||||||
Shielding Effectiveness (dB) | MIL-G-83528 | |||||||
200 KHz (H-Field) | MIL 285 | 70 | 70 | 75 | 75 | 70 | 70 | |
100 MHz (E-Field) | 95 | 95 | 110 | 110 | 110 | 100 | ||
500 MHz (E-Field) | 90 | 90 | 110 | 120 | 105 | 100 | ||
2 GHz (Plane Wave) | 90 | 90 | 105 | 120 | 100 | 100 | ||
10 GHz (Plane Wave) | 90 | 90 | 100 | 120 | 100 | 100 | ||
Physical Properties | ||||||||
Specific Gravity (g/cm∆) | ±5% | ASTM D-792 | 2,45 | 2,3 | 4,6 | 5 | 2,7 | 3,25 |
Hardness (Shore A) | ± 5 | ASTM D-2240 | 80 | 75 | 80 | 75 | 70 | 80 |
Tensile Strength (MPa) | Min | ASTM D-412 | 2 | 1,4 | 1,25 | 1,25 | 0,55 | 0,75 |
Elongation (%) | Min | ASTM D-412 | 150 | 125 | 100 | 100 | 100 | 100 |
Compression Set (%) | Max | ASTM D-395 | 30 | 30 | 30 | 30 | 30 | 30 |
Upper Operating Temperature (°C) | - | 160 | 160 | 160 | 125 | 160 | 160 | |
Lower Operating Temperature (°C) | - | ASTM D-1329 | -50 | -50 | -50 | -55 | -55 | -55 |
Rear Mounting Jam Nut Receptacle ‘O’ Rings
Shell size | MIL C 38999 MIL C 26482 | MIL C 81511 | d1 | Tol d1 ± | d2 |
---|---|---|---|---|---|
TC REF | TC REF | mm | mm | mm | |
6 | 1 | - | 14.00 | 0.13 | 1.78 |
8 | 2 | - | 17.16 | 0.13 | 1.78 |
8 | - | 3 | 18.77 | 0.13 | 1.78 |
9 | 4 | - | 20.35 | 0.15 | 1.78 |
10 | - | 5 | 21.95 | 0.15 | 1.78 |
11+12 | 6 | - | 25.12 | 0.15 | 1.78 |
13+14 | 7 | 7 | 28.30 | 0.15 | 1.78 |
15+16 | 8 | 8 | 31.47 | 0.15 | 1.78 |
17+18 | 9 | 9 | 34.65 | 0.15 | 1.78 |
19+20 | 10 | - | 37.77 | 0.15 | 2.62 |
21+22 | 11 | - | 40.95 | 0.25 | 2.62 |
23+24 | 12 | - | 44.12 | 0.25 | 2.62 |
MA - XX - XXX
Example: MA
MA - Moulded Ring
3A - Silver Aluminium/Silicone
001 - Shell size
Cost Effective Alternative To Conductive Moulded O-Rings
T.C.Shielding have developed a range of extruded/jointed O-Rings that offer a cost effective alternative to traditionally moulded items with added benefits, and compatible tolerancing. The following are benefits of this new process.
Below is a comparison between moulded and jointed tolerances
Moulded O-ring
ID = 25.12+/-0.15
Section = 1.78+/-0.08
Developed Lenght= 84.04/84.98
Ext./Jointed O-ring
ID = 25.12+/-0.16
Cross section= 1.78+/-0.10
Developed Length= 84.00/85.00
Are you interested in this product? Do you need additional information or individual pricing?
The technique of moulding conductive elastomers has a wide range of benefits. This process allows T C Shielding to manufacture components that have a very accurate tolerance requirement. Below is a list of its major advantages:
General Description | ||||||||
---|---|---|---|---|---|---|---|---|
EcE Material Reference (Type) | 1A | 1B | 1D | 1F | 1G | 1I | ||
Elastomer Type (Sil - Silicone, F/Sil - Fluorosilicone) | Sil | Sil | Sil | Sil | Sil | Sil | ||
Filler Material | Ag/Ni | Ag/Cu | Ag/Al | Carbon | Ag | Ag/Glass | ||
Colour | Tan | Tan | Tan | Black | Tan | Tan | ||
Electrical Properties | Tol | Test Method | ||||||
Volume Resistivity (ohm.cm) | Max | 0,005 | 0,005 | 0,008 | 9,000 | 0,002 | 0,005 | |
Shielding Effectiveness (dB) 200 KHz (H-Field) |
MIL-G-83528 MIL 285 |
70 | 70 | 70 | 30 | 70 | 55 | |
100 MHz (E-Field) | 105 | 115 | 110 | 65 | 115 | 95 | ||
500 MHz (E-Field) | 105 | 115 | 105 | 60 | 115 | 95 | ||
2 GHz (Plane Wave) | 100 | 115 | 100 | 40 | 115 | 95 | ||
10 GHz (Plane Wave) | 100 | 115 | 100 | 30 | 115 | 95 | ||
Physical Properties | ||||||||
Specific Gravity (g/cm∆) | ±5% | ASTM D-792 | 3,71 | 3,32 | 2,19 | 1,19 | 3,20 | "2.00 75 1.25" |
Hardness (Shore A) | ± 5 | ASTM D-2240 | 70 | 75 | 70 | 70 | 75 | |
Tensile Strength (MPa) | Min | ASTM D-412 | 1,25 | 1,25 | 1,25 | 5,00 | 1,25 | |
Elongation (%) | Min | ASTM D-412 | 100 | 100 | 100 | 150 | 100 | 100 |
Compression Set (%) | Max | ASTM D-395 | 30 | 30 | 30 | 20 | 30 | 30 |
Upper Operating Temperature (°C) | - | 160 | 125 | 160 | 160 | 160 | 160 | |
Lower Operating Temperature (°C) | - | ASTM D-1329 | -50 | -50 | -50 | -50 | -50 | -50 |
General Description | ||||||||
---|---|---|---|---|---|---|---|---|
EcE Material Reference (Type) | 1J | 1J/8 | 2A | 2B | 2D | 2J | ||
Non Flam | ||||||||
Elastomer Type (Sil - Silicone, F/Sil - Fluorosilicone) | Sil | Sil | F/Sil | F/Sil | F/Sil | F/Sil | ||
Filler Material | Ni/Gr | Ni/Gr | Ag/Ni | Ag/Cu | Ag/Al | Ni/Gr | ||
Colour | szary | szary | Tan | Tan | Green | Green | ||
Electrical Properties | Tol | Test Method | ||||||
Volume Resistivity (ohm.cm) | Max | 0,05 | "0.050- | 0,005 | 0,005 | 0,01 | 0,05 | |
0.100" | ||||||||
Shielding Effectiveness (dB) | MIL-G-83528 | |||||||
200 KHz (H-Field) | MIL 285 | 70 | 70 | 75 | 75 | 70 | 70 | |
100 MHz (E-Field) | 95 | 95 | 110 | 110 | 110 | 100 | ||
500 MHz (E-Field) | 90 | 90 | 110 | 120 | 105 | 100 | ||
2 GHz (Plane Wave) | 90 | 90 | 105 | 120 | 100 | 100 | ||
10 GHz (Plane Wave) | 90 | 90 | 100 | 120 | 100 | 100 | ||
Physical Properties | ||||||||
Specific Gravity (g/cm∆) | ±5% | ASTM D-792 | 2,45 | 2,3 | 4,6 | 5 | 2,7 | 3,25 |
Hardness (Shore A) | ± 5 | ASTM D-2240 | 80 | 75 | 80 | 75 | 70 | 80 |
Tensile Strength (MPa) | Min | ASTM D-412 | 2 | 1,4 | 1,25 | 1,25 | 0,55 | 0,75 |
Elongation (%) | Min | ASTM D-412 | 150 | 125 | 100 | 100 | 100 | 100 |
Compression Set (%) | Max | ASTM D-395 | 30 | 30 | 30 | 30 | 30 | 30 |
Upper Operating Temperature (°C) | - | 160 | 160 | 160 | 125 | 160 | 160 | |
Lower Operating Temperature (°C) | - | ASTM D-1329 | -50 | -50 | -50 | -55 | -55 | -55 |
Rear Mounting Jam Nut Receptacle ‘O’ Rings
Shell size | MIL C 38999 MIL C 26482 | MIL C 81511 | d1 | Tol d1 ± | d2 |
---|---|---|---|---|---|
TC REF | TC REF | mm | mm | mm | |
6 | 1 | - | 14.00 | 0.13 | 1.78 |
8 | 2 | - | 17.16 | 0.13 | 1.78 |
8 | - | 3 | 18.77 | 0.13 | 1.78 |
9 | 4 | - | 20.35 | 0.15 | 1.78 |
10 | - | 5 | 21.95 | 0.15 | 1.78 |
11+12 | 6 | - | 25.12 | 0.15 | 1.78 |
13+14 | 7 | 7 | 28.30 | 0.15 | 1.78 |
15+16 | 8 | 8 | 31.47 | 0.15 | 1.78 |
17+18 | 9 | 9 | 34.65 | 0.15 | 1.78 |
19+20 | 10 | - | 37.77 | 0.15 | 2.62 |
21+22 | 11 | - | 40.95 | 0.25 | 2.62 |
23+24 | 12 | - | 44.12 | 0.25 | 2.62 |
MA - XX - XXX
Example: MA
MA - Moulded Ring
3A - Silver Aluminium/Silicone
001 - Shell size
Cost Effective Alternative To Conductive Moulded O-Rings
T.C.Shielding have developed a range of extruded/jointed O-Rings that offer a cost effective alternative to traditionally moulded items with added benefits, and compatible tolerancing. The following are benefits of this new process.
Below is a comparison between moulded and jointed tolerances
Moulded O-ring
ID = 25.12+/-0.15
Section = 1.78+/-0.08
Developed Lenght= 84.04/84.98
Ext./Jointed O-ring
ID = 25.12+/-0.16
Cross section= 1.78+/-0.10
Developed Length= 84.00/85.00
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