Five engineered composite material families - PEEK, PTFE, PI, PA and CFR-PEEK continuous-fiber composite. Each family opens to its own dedicated page with full grade-level details: introduction, properties, applications and product range.
Every family below is detailed on its own dedicated page with full grade-level specifications - material introduction, key properties, application areas and product range. Click any family to explore, or request a quote directly.
A complete PEEK and filled-composite family covering compression, injection, bearing-cage, sealing, electrical-insulation and downhole grades - engineered for high mechanical strength, dimensional stability, electrical insulation and resistance to high temperatures and corrosion.
High-performance PTFE and composite grades for sealing, abradable-sealing and alkaline-electrolysis gaskets - combining chemical resistance, low friction, high-temperature stability and anti-deformation for the harshest sealing environments.
Ultra-high-temperature, wear-resistant polyimide grade (LY-601-1) with continuous use to 320°C - low creep, high insulation strength and low thermal expansion for aerospace, military, automotive, industrial and oil & gas applications.
Low-density reinforced composite housings and shells (LY-902-2RC) - 50% lighter than aluminum alloy with noise damping, low moisture absorption and cost reduction through injection molding, developed for humanoid robotics.
Continuous carbon-fiber reinforced PEEK composite (LY-501-1) - high strength, high temperature and pressure resistance with low thermal expansion, replacing metal parts in aerospace, industrial, medical and oil & gas fields.
Grade-level properties across the Luyang PEEK, PTFE, PI, PA and CFR-PEEK system — general, mechanical, friction & wear, thermal and electrical performance. Values are typical, measured per the listed test methods.
| Property | LY-101-1 | LY-102-2 | LY-103-2 | LY-201-2 | LY-202-1 | LY-203-1 | LY-204-2 | LY-205-2 | LY-301-2 | LY-302-2 | LY-303-1 | LY-401-1 | LY-403-1 | LY-501-2 | LY-601-1 | LY-602-2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Performance | ||||||||||||||||
| Color | White | White | White | Black | Black | Black | Black | Black | Black | Grey | White | Black | Black | Black | Black | Beige |
| Density | 1.3 | 1.3 | 1.28 | 1.35 | 1.42 | 1.44 | 1.36 | 1.39 | 1.55 | 1.64 | 1.54 | 1.97 | 2.16 | 1.3 | 1.6 | 1.27 |
| Water Absorption | 0.07 | 0.07 | – | 0.04 | 0.04 | 0.04 | 0.04 | – | 0.04 | 0.04 | 0.04 | <0.01 | <0.01 | 0.07 | 0.3 | 0.25 |
| Shore D Hardness | 83 | 82.8 | 86 | 84.6 | 82.8 | 84 | 85 | 89 | 85.4 | 86.2 | 85 | 70 | 57 | 83 | 82 | 86 |
| Mechanical Performance | ||||||||||||||||
| Tensile Strength | 95 | 97 | 96 | 152 | 74 | 66 | 182 | 202 | 153 | 143 | 80 | 22 | 18 | 105 | 56 | 110 |
| Tensile Strength | 39 | 32 | – | 69 | 34 | 35 | 83 | – | 61 | 61 | 33 | – | – | – | – | – |
| Tensile Strength | 28 | 23 | – | 43 | 23 | 22 | 52 | – | 38 | 36 | 21 | – | – | – | 42 | – |
| Tensile Elongation | 9 | 28 | 20 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 7 | 44 | 462 | – | 1.3 | 40 |
| Flexural Strength | 175 | 168 | 147 | 228 | 120 | 114 | 261 | 305 | 226 | 182 | 151 | 35 | 20 | 186 | 88 | 160 |
| Compressive Strength | 127 | 102 | 123 | 99 | 124 | 134 | 136 | 156 | 134 | 123 | 134 | 42 | 27 | – | 143 | 137 |
| Impact Strength (Charpy, notched) | – | 10 | 8.8 | 8.6 | – | – | 8.1 | 9.5 | 9.8 | 11 | – | – | – | 10 | – | 5.4 |
| Impact Strength (Charpy, unnotched) | 22 | No break | No break | 33 | 17 | 18 | 34 | 43 | 51 | 33 | 30 | No break | No break | – | 14 | 52 |
| Friction & Wear Performance | ||||||||||||||||
| Coefficient of Friction | 0.47 | 0.46 | 0.46 | 0.18 | 0.21 | 0.27 | 0.19 | 0.13 | 0.34 | 0.4 | 0.3 | 0.17 | 0.16 | – | 0.28 | 0.28 |
| Volume Wear | 3.9 | 3.9 | 3.44 | 5.3 | 3.5 | 3.5 | 3.8 | 0.86 | 5.3 | 4.9 | 5.2 | 2.5 | – | – | 0.75 | 20.6 |
| Scar Width | 5.02 | 5.53 | 5.1 | 4.03 | 4.98 | 4.03 | 3.09 | 3 | 5.06 | 5.16 | 5.13 | 3.03 | 2.89 | – | 2.4 | 9.5 |
| Thermal Performance | ||||||||||||||||
| Melting Point | 343 | 343 | 345 | 343 | 343 | 343 | 343 | 345 | 343 | 343 | 343 | 327 | 327 | 343 | – | 350 |
| Glass Transition Temperature (Tg) | 143 | 143 | 158 | 143 | 143 | 143 | 143 | 158 | 143 | 143 | 143 | 130 | 130 | 143 | 290 | 217 |
| Continuous Operating Temperature | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 360 | 170 |
| Coefficient of Thermal Expansion (below Tg) | 5 | 5 | 4.5 | 2 | 3.5 | 2.7 | 1.1 | 1.4 | 1.6 | 2.8 | 2.7 | 2.9 | 6.4 | – | 1.1 | 4.5 |
| Heat Deflection Temperature | 155 | 152 | 150 | >280 | >280 | >280 | >280 | >280 | >280 | >280 | >280 | – | – | 161 | 287 | 201 |
| Electrical Performance | ||||||||||||||||
| Dielectric Strength | 23 | 23 | 23 | – | – | – | – | – | 23 | 23 | 23 | – | – | – | – | 25 |
| Dielectric Constant | 3.2 | 3.2 | 3.2 | – | – | – | – | – | 3.2 | 3.2 | 3.2 | – | – | – | – | 3.2 |
| Volume Resistivity | 1016 | 1016 | 1016 | 105 | 105 | 105 | 105 | 105 | 1016 | 1016 | 1016 | 105 | 1016 | 108 | 104 | 1017 |
† "–" = not specified; "No break" indicates the specimen did not fracture under test. Volume resistivity is shown as a 10n magnitude in Ω·cm.
Send us your drawings and operating conditions — our engineers will recommend the right material within 12 hours.
