一、结构    标准型TIW绝缘层可由聚酯类耐热树脂、聚酰胺类树脂等组合组成。    二、UEW线（以往）与TIW-0.4的特性比较   项目1-UEWTIW尺寸（mm）成品外径0.4400.600导体直径0.4000.400被膜层厚度0.0200.100绝缘击穿电压（KV）11.0>19.0耐电压（1min）（KV）-6.0可焊性（420oC）Sec.2.02.0火花试验 3000V个/30米15.4.110.0.0.热冲击150oCX1h2D1D升温软化oC270231往复磨损次60285单向磨损N14.3119.31静摩擦系数  0.1330.125粘合性弹出（mm）0.5<0.5耐化学品性混合二甲苯5h3h苯乙烯5h3h   三、特长 1、耐热等级是A~F级（105oC ~155oC）；2、耐电压特性优良，获得强化绝缘的鉴定；3、可不剥除被膜直接进行焊接；4、可用自动绕线机进行高速绕线；5、可供选择的尺寸范围为：0.2mm~1.0mm。   四、与以往的变压器比较     以使用 TIW 的 20W 的变压器为例，由于省去了层间绝缘带和阻挡栅，可大幅度地减小变压器的体积约 1/2 ，重量约为 2/3 ，可降低材料费和加工费。   五、 TIW 的尺寸表   导体直径（mm）允许公差（mm）标称成品外径（mm）最大成品外径（mm）导体电阻（W/km）重量（kg/km）0.20±0.0080.3800.420607.50.3830.21±0.0080.3900.430549.00.4140.22±0.0080.4000.440498.40.4490.23±0.0080.4100.450454.50.4840.24±0.0080.4200.460416.20.5200.25±0.0080.4300.470382.50.5580.26±0.0100.4400.480358.40.5970.27±0.0100.4500.490331.40.6380.28±0.0100.4600.500307.30.6800.29±0.0100.4700.510285.70.7230.30±0.0100.4800.540262.90.7680.32±0.0100.5000.560230.00.8620.35±0.0100.5300.590191.21.0130.37±0.0100.5500.610170.61.1210.40±0.0100.6000.660145.31.3140.45±0.0100.6500.710114.21.6300.50±0.0100.7000.76091.431.9820.55±0.0200.7500.81078.152.3680.60±0.0200.8000.86065.262.7890.65±0.0200.850.91055.313.2460.70±0.0200.9000.96047.473.7370.75±0.0200.9501.01041.194.2630.80±0.0201.001.06036.084.8240..85±0.0201.0501.11031.875.4200.90±0.0201.1001.16026.356.0500.95±0.0201.1501.21025.386.7161.00±0.0301.2001.28023.337.417