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Silicone Rubber (Si) O-Rings (0.103 Section)

Silicone Rubber (Si) O-Rings (0.103 Section): Compact Sealing for Vacuum, Lab, and Analytical Applications

Silicone Rubber (Si) O-Rings (0.103 section) from TFM offer dependable static sealing performance in compact assemblies where environmental resistance and temperature stability are essential. Made from 1200-70 grade silicone, these small-profile O-rings deliver excellent resistance to ozone, moisture, and dilute acids, while maintaining reliable elasticity across a wide temperature range of –50°C to +230°C.

Ideal for miniature ports, fittings, or delicate analytical instruments, these O-rings combine thermal flexibility with non-reactive sealing—making them perfect for clean environments, vacuum systems, and low-pressure gas handling.

Key Specifications:

  • Material: Silicone Rubber (Grade 1200-70)

  • Cross-Section: 0.103 inches

  • Durometer: 70 Shore A

  • Color: Brick Red

  • Temperature Range: –50°C to +230°C

Key Performance Benefits:

  • Thermal Stability: Performs consistently under both cryogenic and moderate high-temperature conditions

  • Excellent Resistance: Ozone, oxygen, water vapor, UV exposure, and weak acids

  • Cleanroom Friendly: No plasticizers or additives—ideal for sensitive environments

  • Non-Reactive: Safe for food, pharma, biotech, and scientific gas sealing

  • Compact Fit: Suitable for miniature flanges, instrumentation ports, or precision-sealed enclosures

Common Applications:

  • Vacuum flange sealing (KF/CF ports, miniature valves)

  • Analytical and scientific instruments requiring clean seals

  • Biotech, medical, and pharmaceutical assemblies

  • Low-pressure gas systems and feedthroughs in UHV-compatible environments

TFM’s Silicone Rubber (Si) O-Rings (0.103 section) are the preferred choice where compact size, material purity, and environmental durability are critical.

Ordering Table

Drawing Reference O-Ring Size O-Ring Material O-Ring OD O-Ring ID O-Ring Cross Section O-Ring Color Part Number
Tooltip O-ring Seals, Silicone 102 1200-70 Silicone 0.255 0.049 0.103 Brick Red O-S102
Tooltip O-ring Seals, Silicone 103 1200-70 Silicone 0.287 0.081 0.103 Brick Red O-S103
Tooltip O-ring Seals, Silicone 104 1200-70 Silicone 0.318 0.112 0.103 Brick Red O-S104
Tooltip O-ring Seals, Silicone 105 1200-70 Silicone 0.349 0.143 0.103 Brick Red O-S105
Tooltip O-ring Seals, Silicone 106 1200-70 Silicone 0.380 0.174 0.103 Brick Red O-S106
Tooltip O-ring Seals, Silicone 107 1200-70 Silicone 0.412 0.206 0.103 Brick Red O-S107
Tooltip O-ring Seals, Silicone 108 1200-70 Silicone 0.443 0.237 0.103 Brick Red O-S108
Tooltip O-ring Seals, Silicone 109 1200-70 Silicone 0.505 0.299 0.103 Brick Red O-S109
Tooltip O-ring Seals, Silicone 110 1200-70 Silicone 0.568 0.362 0.103 Brick Red O-S110
Tooltip O-ring Seals, Silicone 111 1200-70 Silicone 0.630 0.424 0.103 Brick Red O-S111
Tooltip O-ring Seals, Silicone 112 1200-70 Silicone 0.693 0.487 0.103 Brick Red O-S112
Tooltip O-ring Seals, Silicone 113 1200-70 Silicone 0.755 0.549 0.103 Brick Red O-S113
Tooltip O-ring Seals, Silicone 114 1200-70 Silicone 0.818 0.612 0.103 Brick Red O-S114
Tooltip O-ring Seals, Silicone 115 1200-70 Silicone 0.880 0.674 0.103 Brick Red O-S115
Tooltip O-ring Seals, Silicone 116 1200-70 Silicone 0.943 0.737 0.103 Brick Red O-S116
Tooltip O-ring Seals, Silicone 117 1200-70 Silicone 1.005 0.799 0.103 Brick Red O-S117
Tooltip O-ring Seals, Silicone 118 1200-70 Silicone 1.068 0.862 0.103 Brick Red O-S118
Tooltip O-ring Seals, Silicone 119 1200-70 Silicone 1.130 0.924 0.103 Brick Red O-S119
Tooltip O-ring Seals, Silicone 120 1200-70 Silicone 1.193 0.987 0.103 Brick Red O-S120
Tooltip O-ring Seals, Silicone 121 1200-70 Silicone 1.255 1.049 0.103 Brick Red O-S121
Tooltip O-ring Seals, Silicone 122 1200-70 Silicone 1.318 1.112 0.103 Brick Red O-S122
Tooltip O-ring Seals, Silicone 123 1200-70 Silicone 1.380 1.174 0.103 Brick Red O-S123
Tooltip O-ring Seals, Silicone 124 1200-70 Silicone 1.443 1.237 0.103 Brick Red O-S124
Tooltip O-ring Seals, Silicone 125 1200-70 Silicone 1.505 1.299 0.103 Brick Red O-S125
Tooltip O-ring Seals, Silicone 126 1200-70 Silicone 1.568 1.362 0.103 Brick Red O-S126
Tooltip O-ring Seals, Silicone 127 1200-70 Silicone 1.630 1.424 0.103 Brick Red O-S127
Tooltip O-ring Seals, Silicone 128 1200-70 Silicone 1.693 1.487 0.103 Brick Red O-S128
Tooltip O-ring Seals, Silicone 129 1200-70 Silicone 1.755 1.549 0.103 Brick Red O-S129
Tooltip O-ring Seals, Silicone 130 1200-70 Silicone 1.818 1.612 0.103 Brick Red O-S130
Tooltip O-ring Seals, Silicone 131 1200-70 Silicone 1.880 1.674 0.103 Brick Red O-S131
Tooltip O-ring Seals, Silicone 132 1200-70 Silicone 1.943 1.737 0.103 Brick Red O-S132
Tooltip O-ring Seals, Silicone 133 1200-70 Silicone 2.005 1.799 0.103 Brick Red O-S133
Tooltip O-ring Seals, Silicone 134 1200-70 Silicone 2.068 1.862 0.103 Brick Red O-S134
Tooltip O-ring Seals, Silicone 135 1200-70 Silicone 2.131 1.925 0.103 Brick Red O-S135
Tooltip O-ring Seals, Silicone 136 1200-70 Silicone 2.193 1.987 0.103 Brick Red O-S136
Tooltip O-ring Seals, Silicone 137 1200-70 Silicone 2.256 2.050 0.103 Brick Red O-S137
Tooltip O-ring Seals, Silicone 138 1200-70 Silicone 2.318 2.112 0.103 Brick Red O-S138
Tooltip O-ring Seals, Silicone 139 1200-70 Silicone 2.381 2.175 0.103 Brick Red O-S139
Tooltip O-ring Seals, Silicone 140 1200-70 Silicone 2.443 2.237 0.103 Brick Red O-S140
Tooltip O-ring Seals, Silicone 141 1200-70 Silicone 2.506 2.300 0.103 Brick Red O-S141
Tooltip O-ring Seals, Silicone 142 1200-70 Silicone 2.568 2.362 0.103 Brick Red O-S142
Tooltip O-ring Seals, Silicone 143 1200-70 Silicone 2.631 2.425 0.103 Brick Red O-S143
Tooltip O-ring Seals, Silicone 144 1200-70 Silicone 2.693 2.487 0.103 Brick Red O-S144
Tooltip O-ring Seals, Silicone 145 1200-70 Silicone 2.756 2.550 0.103 Brick Red O-S145
Tooltip O-ring Seals, Silicone 146 1200-70 Silicone 2.818 2.612 0.103 Brick Red O-S146
Tooltip O-ring Seals, Silicone 147 1200-70 Silicone 2.881 2.675 0.103 Brick Red O-S147
Tooltip O-ring Seals, Silicone 148 1200-70 Silicone 2.943 2.737 0.103 Brick Red O-S148
Tooltip O-ring Seals, Silicone 149 1200-70 Silicone 3.006 2.800 0.103 Brick Red O-S149
Tooltip O-ring Seals, Silicone 150 1200-70 Silicone 3.068 2.862 0.103 Brick Red O-S150
Tooltip O-ring Seals, Silicone 151 1200-70 Silicone 3.193 2.987 0.103 Brick Red O-S151
Tooltip O-ring Seals, Silicone 152 1200-70 Silicone 3.443 3.237 0.103 Brick Red O-S152
Tooltip O-ring Seals, Silicone 153 1200-70 Silicone 3.693 3.487 0.103 Brick Red O-S153
Tooltip O-ring Seals, Silicone 154 1200-70 Silicone 3.943 3.737 0.103 Brick Red O-S154
Tooltip O-ring Seals, Silicone 155 1200-70 Silicone 4.193 3.987 0.103 Brick Red O-S155
Tooltip O-ring Seals, Silicone 156 1200-70 Silicone 4.443 4.237 0.103 Brick Red O-S156
Tooltip O-ring Seals, Silicone 157 1200-70 Silicone 4.693 4.487 0.103 Brick Red O-S157
Tooltip O-ring Seals, Silicone 158 1200-70 Silicone 4.943 4.737 0.103 Brick Red O-S158
Tooltip O-ring Seals, Silicone 159 1200-70 Silicone 5.193 4.987 0.103 Brick Red O-S159
Tooltip O-ring Seals, Silicone 160 1200-70 Silicone 5.443 5.237 0.103 Brick Red O-S160
Tooltip O-ring Seals, Silicone 161 1200-70 Silicone 5.693 5.487 0.103 Brick Red O-S161
Tooltip O-ring Seals, Silicone 162 1200-70 Silicone 5.943 5.737 0.103 Brick Red O-S162
Tooltip O-ring Seals, Silicone 163 1200-70 Silicone 6.193 5.987 0.103 Brick Red O-S163
Tooltip O-ring Seals, Silicone 164 1200-70 Silicone 6.443 6.237 0.103 Brick Red O-S164
Tooltip O-ring Seals, Silicone 165 1200-70 Silicone 6.693 6.487 0.103 Brick Red O-S165
Tooltip O-ring Seals, Silicone 166 1200-70 Silicone 6.943 6.737 0.103 Brick Red O-S166
Tooltip O-ring Seals, Silicone 167 1200-70 Silicone 7.193 6.987 0.103 Brick Red O-S167
Tooltip O-ring Seals, Silicone 168 1200-70 Silicone 7.443 7.237 0.103 Brick Red O-S168
Tooltip O-ring Seals, Silicone 169 1200-70 Silicone 7.693 7.487 0.103 Brick Red O-S169
Tooltip O-ring Seals, Silicone 170 1200-70 Silicone 7.943 7.737 0.103 Brick Red O-S170
Tooltip O-ring Seals, Silicone 171 1200-70 Silicone 8.193 7.987 0.103 Brick Red O-S171
Tooltip O-ring Seals, Silicone 172 1200-70 Silicone 8.443 8.237 0.103 Brick Red O-S172
Tooltip O-ring Seals, Silicone 173 1200-70 Silicone 8.693 8.487 0.103 Brick Red O-S173
Tooltip O-ring Seals, Silicone 174 1200-70 Silicone 8.943 8.737 0.103 Brick Red O-S174
Tooltip O-ring Seals, Silicone 175 1200-70 Silicone 9.193 8.987 0.103 Brick Red O-S175
Tooltip O-ring Seals, Silicone 176 1200-70 Silicone 9.443 9.237 0.103 Brick Red O-S176
Tooltip O-ring Seals, Silicone 177 1200-70 Silicone 9.693 9.487 0.103 Brick Red O-S177
Tooltip O-ring Seals, Silicone 178 1200-70 Silicone 9.943 9.737 0.103 Brick Red O-S178

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FAQ

Sputtering targets are materials used in thin-film deposition processes to create coatings on substrates. They are used in industries like semiconductors, optics, photovoltaics, and electronics.

Evaporation materials are used in Physical Vapor Deposition (PVD) processes, where materials are heated and evaporated to form a thin film on a substrate. These are critical for applications in optics, wear protection, and decorative coatings.

Boat crucibles are used as containers for evaporation materials during PVD processes. They help to uniformly evaporate materials onto the substrate for thin film formation.

Sputtering uses energetic particles to eject material from a target, while evaporation involves heating a material until it vaporizes and deposits on a substrate. Both are common methods in Physical Vapor Deposition (PVD) for creating thin films.

Consider the material composition, purity, target size, and application-specific requirements such as the thickness and uniformity of the film.

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