特性参数 Specifications
项 目 Item | 试验方法 (Test Method) | 特性参数 (Specifications) |
比重(g/cm3) (Specific Gravity) | ASTM D792 | 2.16 |
抗张强度(MPa) Tensile Strength | ASTM D638 | 24.5 |
断裂伸长率(%) Elongation Ratio | ASTM D638 | 350 |
弯曲系数(MPa) (Flexural Modulus) | ASTM D790 | 490 |
撞击强度 (Impact Strength) | ASTM D256+23℃-54℃J/m | -No Break- 107 |
硬度(Shore D) (Hardness) | ASTM D2240 | 55 |
磨擦系数 (Coefficient Of Dynamic Friction) | -- | 0.1 |
熔点(℃) (Melting Point) | -- | 327 |
实际使用可达温度(℃)(Service Temperature 20000h With 50% Retention Of Ultimate Elongation) | -- | 260 |
可燃性 (Inflammability) | UL-224 | VW-1 |
介电常数 (Dielectric Constant At 103-106Hz) | ASTM D150 | 2.1 |
散逸因数 (Dissipation Factor At 106Hz) | ASTM D150 | 0.0002 |
电弧系数(S) (Arc Resistance) | ASTM D495 (Stainless Steel Electrodes) | >300 |
体积电阻率(Ω·cm) (Volume Resistivity) | ASTM D257 | >1018 |
耐候性 (Weather Resistance) | “Weather-O-Meter” (2000h) | 无裂纹 No cracking |
耐溶剂 (Solvent Resistance) | ASTM D543 | 优 Excellent |
耐化学 (Chemical Resistance) | ASTM D543 | 优 Excellent |
PTFE聚四氟乙烯热收缩套管产品尺寸规格(PTFE Heat Shrinkable Tubing Standart Sizes)
规格 | 内径(mm) | 壁厚(mm) | |
收缩前 | 收缩后 | 收缩后 | |
Ф0.5 | 0.7±0.2 | ≤0.40 | 0.23 |
Ф1.0 | 1.0±0.2 | ≤0.50 | 0.23 |
Ф1.5 | 1.5±0.2 | ≤0.90 | 0.25 |
Ф2.0 | 2.0±0.2 | ≤1.30 | 0.25 |
Ф2.5 | 2.5±0.2 | ≤1.50 | 0.30 |
Ф3.0 | 3.0±0.2 | ≤1.80 | 0.30 |
Ф3.5 | 3.5±0.2 | ≤2.0 | 0.30 |
Ф4.0 | 4.0±0.3 | ≤2.5 | 0.30 |
Ф4.5 | 4.5±0.3 | ≤2.8 | 0.30 |
Ф5.0 | 5.0±0.3 | ≤3.0 | 0.30 |
Ф6.0 | 6.0±0.3 | ≤3.8 | 0.38 |
Ф7.0 | 7.0±0.3 | ≤4.0 | 0.38 |
Ф8.0 | 8.0±0.3 | ≤4.8 | 0.38 |
Ф9.0 | 9.0±0.3 | ≤5.0 | 0.38 |
Ф10.0 | 10.0±0.3 | ≤6.0 | 0.38 |
Ф12.0 | 12.0±0.3 | ≤7.0 | 0.38 |