氟塑料性能比較表
氟塑料性能比較表
單位 Unit
性能Performance | 品名 Article name | PFA | ECTFE | PVDF | PTFE | FEP | ETFE | |
簡(jiǎn)稱(chēng) Abbreviation | — | F-30 | PVF-2 | F-4 | F-46 | F-40 | ||
比重 Specific gravity | — | 2.12-2.17 | 1.68 | 1.76-1.78 | 2.13-2.20 | 2.12-2.17 | 1.73-1.75 | |
成型收縮率 Forming contractrate | % | 4 | 2-2.5 | 2-3 | 3-6 | 3-6 | 3-4 | |
硬度 Hardness | 肖氏—D Shore—D | 64 | 75 | 75 | 50-60 | 56 | 75 | |
斷裂拉伸強(qiáng)度 Breakage tensilestrength | kg/cm2 | 280-315 | 420-480 | 315-434 | 140-455 | 189-217 | 455 | |
斷裂伸長(zhǎng)率 Breakageelongation rate | % | 300 | 200-300 | 50-300 | 200-450 | 250-330 | 100-400 | |
彎曲強(qiáng)度 Bucklingstrength | kg/cm2 | 暫缺Lack | 390 | 602-665 | 不斷裂 Not beakage | 210 | 385 | |
彎曲模量 Buckling modulus | kgcm2 | 7000 | 6000 | 17500 | 4900-7700 | 6300 | 14000 | |
缺口沖擊強(qiáng)度 Notch shockstrength | kgcm/cm | 不斷裂 Not breakage | 不斷裂 Not breakage | 21.8 | 16.3 | 不斷裂 Not breakage | 不斷裂 Not breakage | |
熔點(diǎn)溫度 Melting point | ℃ | 310 | 241 | 171 | 327 | 275 | 270 | |
長(zhǎng)期耐熱溫度 Heatresisting temperature fou long time | ℃ | 260 | 160-150 | 129 | 288 | 204 | 150-182 | |
熱變形溫度（18.5kg/cm2） (4.6kg/cm2) Heat deformationtemperature | ℃ | 暫缺Lack | 77 | 87-115 | 49 | 暫缺Lack | 71 | |
℃ | 74 | 116 | 132-149 | 121 | 70 | 104 | ||
低溫脆性 Brittle point | 10mcm/cm℃ | 暫缺Lack | -101 | -62 | -268 | -73 | -201 | |
熱膨脹系數(shù) Thermal expandingcoefficrent | 102周(Cycle) | 21.6 | 14.4 | 12.6-25.2 | 18 | 14.4-19.8 | 10.8 | |
介電常數(shù) Dielectricconstant | 102周(Cycle) | 2.1 | 2.5 | 7.2-10.0 | 2.1 | 2.1 | 2.6 | |
介質(zhì)損耗系數(shù) Medium losscoefficrent | 秒(Second) | .0002 | .0015-.0030 | .015-.019 | <.0003 | .0001 | .0008 | |
耐電弧性 Electric areresisting | — | 暫缺Lack | 1.5 | 50-60 | >200 | >165 | 72 | |
水汽滲透性比較 Woisture osmosiscomparing | — | 5 | 1 | 2 | 4 | 4 | 3 | |
磨擦系數(shù)比較 Friction coefficientcomparing | — | 2 | 4 | 5 | 1 | 3 | 4 | |
單位體積重量比較 Weight comparing of umtvolume | — | 4 | 1 | 3 | 5 | 4 | 2 | |
成型 加工 性能 Forming charac. temstic
| 注射成型比較 Inject formingcomparing | — | 5 | 1 | 3 | — | 4 | 2 |
線纜成型比較 Wire formingcomparing | — | 4 | 1 | 3 | — | 3 | 2 | |
液塑成型比較 Liqund plasucs formingcomparing | — | — | 1 | 2 | — | — | — | |
浸塑成型比較 Soak plasucs formingcomparing | — | — | 1 | 2 | — | 3 | 4 | |
吹塑成型比較 Blowing formingcomparing | — | — | 1 | — | — | 3 | 2 | |
耐磨性能比較 Wear resisting featurecomparing | — | 6 | 1 | 2 | 4 | 5 | 3 | |
機(jī)加工性能比較 Machining characteriruccomparing | — | 優(yōu)良Excellent | 優(yōu)良Excellent | 優(yōu)良Excellent | 優(yōu)良Excellent | 優(yōu)良Excellent | 優(yōu)良Excellent | |
*在這些比較中，數(shù)字1至6分別表示性能的優(yōu)至劣，負(fù)的符號(hào)（—）表示材料不可作該應(yīng)用。
*In the*****parings,number l to 6 indicates the feature degree from good tobad and the negative sign(—)indcated the materials cannot beapplied to here.
品名對(duì)照：PFA—可溶性聚四氟氯乙烯 PTFE—聚四氟乙烯
ECTFE—乙烯三氟氯乙烯共聚物 FEP—聚全氟代乙丙烯
PVDF—聚偏氟乙烯 ETFE—乙烯四氟乙烯共聚物
