|
单位 Unit
性能 Performance
|
品名
Article name
|
PFA
|
ECTFE
|
PVDF
|
PTFE
|
FEP
|
ETFE
|
|
简称
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
|
|
成型收缩率
Forming contract rate
|
%
|
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
|
|
断裂拉伸强度
Breakage tensile strength
|
kg/cm2
|
280-315
|
420-480
|
315-434
|
140-455
|
189-217
|
455
|
|
断裂伸长率
Breakage elongation rate
|
%
|
300
|
200-300
|
50-300
|
200-450
|
250-330
|
100-400
|
|
弯曲强度
Buckling strength
|
kg/cm2
|
暂缺Lack
|
390
|
602-665
|
不断裂
Not beakage
|
210
|
385
|
|
弯曲模量
Buckling modulus
|
kgcm2
|
7000
|
6000
|
17500
|
4900-7700
|
6300
|
14000
|
|
缺口冲击强度
Notch shock strength
|
kgcm/cm
|
不断裂
Not breakage
|
不断裂
Not breakage
|
21.8
|
16.3
|
不断裂
Not breakage
|
不断裂
Not breakage
|
|
熔点温度
Melting point
|
℃
|
310
|
241
|
171
|
327
|
275
|
270
|
|
长期耐热温度
Heat resisting temperature fou long time
|
℃
|
260
|
160-150
|
129
|
288
|
204
|
150-182
|
|
热变形温度（18.5kg/cm2）
(4.6kg/cm2)
Heat deformation temperature
|
℃
|
暂缺Lack
|
77
|
87-115
|
49
|
暂缺
|
71
|
|
℃
|
74
|
116
|
132-149
|
121
|
70
|
104
|
|
低温脆性
Brittle point
|
10mcm/cm℃
|
暂缺Lack
|
-101
|
-62
|
-268
|
-73
|
-201
|
|
热膨胀系数
Thermal expanding coefficrent
|
102周(Cycle)
|
21.6
|
14.4
|
12.6-25.2
|
18
|
14.4-19.8
|
10.8
|
|
介电常数
Dielectric constant
|
102周(Cycle)
|
2.1
|
2.5
|
7.2-10.0
|
2.1
|
2.1
|
2.6
|
|
介质损耗系数
Medium loss coefficrent
|
秒(Second)
|
.0002
|
.0015-.0030
|
.015-.019
|
<.0003
|
.0001
|
.0008
|
|
耐电弧性
Electric are resisting
|
—
|
暂缺Lack
|
1.5
|
50-60
|
>200
|
>165
|
72
|
|
水汽渗透性比较
Woisture osmosis comparing
|
—
|
5
|
1
|
2
|
4
|
4
|
3
|
|
磨擦系数比较
Friction coefficient comparing
|
—
|
2
|
4
|
5
|
1
|
3
|
4
|
|
单位体积重量比较
Weight comparing of umt volume
|
—
|
4
|
1
|
3
|
5
|
4
|
2
|
|
成型
加工
性能
Forming
charac.
temstic
|
注射成型比较
Inject forming comparing
|
—
|
5
|
1
|
3
|
—
|
4
|
2
|
|
线缆成型比较
Wire forming comparing
|
—
|
4
|
1
|
3
|
—
|
3
|
2
|
|
液塑成型比较
Liqund plasucs forming comparing
|
—
|
—
|
1
|
2
|
—
|
—
|
—
|
|
浸塑成型比较
Soak plasucs forming comparing
|
—
|
—
|
1
|
2
|
—
|
3
|
4
|
|
吹塑成型比较
Blowing forming comparing
|
—
|
—
|
1
|
—
|
—
|
3
|
2
|
|
耐磨性能比较
Wear resisting feature comparing
|
—
|
6
|
1
|
2
|
4
|
5
|
3
|
|
机加工性能比较
Machining characteriruc comparing
|
—
|
优 良Excellent
|
优 良Excellent
|
优 良Excellent
|
优 良Excellent
|
优 良Excellent
|
优 良Excellent
|
