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Sample and quality offer …

1. Q: Do you offer volume discounts? 
A: Yes. The larger the volume is, the more discount you can enjoy. Please be free to contact us.

2. Q: How can I get a sample?
A: Normally small samples can be sent free of charge and customers just need to bear a little shipping charge, or you can provide your DHL,FEDEX,TNT,UPS courier account number to us if in need of big size.

3. Q: How can you guarantee the quality of mass production is same with the sample sent to me before?
A: Our warehouse staff will leave another same sample as yours. The production process will be under your requirement.

4. Q: How can you deal with quality issues that customers feedback after receiving the goods?
A: We will follow below steps to solve the quality issues that may occur. 
1) Customers take photos of unqualified goods and then our sales staff will send them to Engineering Department to verify. 
2) If the issue is confirmed, our sales staff will explain the root cause and take corrective actions in coming orders.
3) Finally, we will negotiate with our customers to make some compensation.

5. Q: What is the manner of packing?
A: All goods are packed in a sustainable manner(Standard Export Package.

6. Q: Will any of my personal information be sold or shared?
A: Leadwin International knows that you care how information about you is used and shared, and we’re not in the business of selling customer information. The information we learn from customers helps us personalize and continually improve your Leadwin commercial experience.


名称: 钢纸管 ,硬化纤维管,熔丝管,绝缘管硫化纤维管,硫化纤维管 绝缘熄弧套管

用途:广泛用于电熔丝,它具有良好的物理、机械性质、电气绝缘性、抗弧及灭弧性 ,其中淬火和硫化的芯纤维和高强度的绝缘性保险丝,灭弧,熔断器,断路器,电气设备、开关柜、槽楔,电机轴套


产品属性:钢纸管是先将棉纸提供***化锌溶液槽,卷在卷芯上达到预先设定的管壁厚度,再经过脱盐、干燥、压管、粗磨、细磨等工序达到理想的内外径产品。     钢纸管的密度在1.4g/cm3,。由于它具有良好的可加工性,钢 

规格:内径ID4mm to ID80mm ; 厚度:最小0.5mm以上; 公差:+-0.01mm ;长度900mm ;颜色:白色/ 淡咔色

定制:开槽,倒角 ,钻孔,管上印LOGO,分切,打磨加工 ,可以被细磨、抛光。滚花、旋切、加螺纹、切削,以达到客户要求的形状和尺寸



序号                            指标名称                                         单位                                     指标值

       1                             密度                                                  g/cm3                            1.39–1.5

       2                           轴向横断面抗张强度                              kg/cm2                           650–700

       3                           垂直于壁层耐电压                                 KV                                   9–11

       4                           轴向耐电压                                          KV                                   28–30

       5                           吸水率                                                %                                    40–50

       6                           含水率                                                %                                    <0.03

       7                          ***化锌含量                                          %                                    <0.8
       8                           灰分                                                   %                                    <1.2
       9                           水分                                                   %                                   5—8
      10                          颜色                                        灰、黑、红及白色
     11                          长度                                      最长50”、1270mm
      12                          内径                                      最小0.12”、3mm
      13                          外径                                       最大4”、100mm



成功合作客户范围:我们已经为台湾 墨西哥 德国 巴西 哥伦比亚 韩国 美国 印度 巴基斯坦 泰国 日本等 及国内熔断器等用户提供良好优质产品

品质保证细节 (优势):原材料品质保证(杜绝以次充好,从而确保熄弧性能和稳定性),生产过程中严控公差和同心度。全球几大熔断器公司的对我们的选择就是最好的证明!