低收缩PET薄膜
  产品型号：ZL6003
  产品特点： ZL6003低收缩聚酯薄膜具有厚度公差好、热收缩率低、平整度好、油墨、银浆附着力强等特点，通过SGS有害化学物质检测。薄膜具有超低热收缩的特性，收缩率在150°C  30分钟的测试条件下为0.15%，广泛应用于薄膜开关、柔性电路等领域。卷径和宽度的规格由供需双方协商确定。 薄膜按用户要求可加工成带盘。

  性能参数：

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
序号 
指标名称 
单位 
指标值 
典型值 
1
拉伸强度 
                （纵向及横向） 
50μm～100μm
MPa
≥150
170
＞100μm～150μm
≥140
165
2
断裂伸长率 
                （纵向及横向） 
＜75μm
%
≥60
105
≥75μm
≥80
110
3
收缩率 
纵向 
%
≤0.15
0.12
横向 
≤0.1
0.08
5
体积电阻率 
Ω·m
≥1.0×1014
4.0×1014
6
相对介电常数??????? （50Hz） 
－ 
2.9～3.4
3.2
7
介质损耗因数??????? （50Hz） 
－ 
≤5.0×10-3
2.0×10-3
8
密度 
kg/m3
1400±10
1398
9
熔点 
℃
≥256
259
10
表面电阻率 
Ω
≥1.0×1013
2.5×1014
11
浸润张力 
mN/m
≥40
42
12
高温下尺寸稳定性 
拉力下 
℃
≥200
＞200
压力下 
≥200