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热变形、维卡软化点温度测试仪
热变形、维卡软化点温度测试仪

热变形、维卡软化点温度测试仪

型号: SL-V031

工位数量: 3

温度范围: RT-300°C

升温速率: 50℃/h、120℃/h,3-120℃/h之间任意选择。

变形测量范围: -1.00-9.00mm

加载方式: 电动

标准: ISO 75、ISO 306、ASTM D1525、ASTM D648和其他同等标准。

热变形、维卡软化点温度试验机用于确定负荷热变形(HDT)温度或维卡软化点温度。
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产品详情 热变形、维卡软化点温度测试仪

负荷热变形的温度HDT的测试原理是将塑料标准试样浸在等速升温的液体传热介质中,以平放或侧立方式承受三点弯曲恒定负荷,使其产生规定的弯曲应力,在匀速升温条件下,测量达到与规定弯曲应变增量相对应的标准挠度时的温度,为该材料的热变形温度。

维卡软化温度测试原理:是测定热塑性塑料于特定液体传热介质中,在一定的负荷、一定的等速升温条件下,试样被1平方毫米针头压入1mm深度时的温度.

特点:

7寸全彩色触摸屏操作支持温度-位移曲线实时显示,可对数据进行分析、微型打印机可直接打印测试报告。也支持试验报告USB输出.采用高性能温度传感器和高精度数显千分表对试样微小变化进行准确测量,系统在输入试样尺寸后可自动计算需要加载的载荷以及热 变形挠度等参数。试验架带有电动升降功能,控温系统带有机械温度上限保护开关、软件温度上限保护、试验完成自动停止以及管理员操作密匙等多重软硬件安全设计,保证试验安全稳定运行。极大的方便了试验的操作,提高了试验效率,避免了人身伤害。

   交货时间
   证书 
   是否接受定制
  起订量
  包装信息
   10天
   CE
   不
  1台
  1件


常见问题解答


问:这一台机器可以同时做热变形软化点或维卡软化点温度的实验吗?
答: 不可以。这两个实验对升温速率和实验方法的要求完全不同,因此不能在同一台机器上同时进行。


问:这台设备需要用什么样的二甲基硅油?
答: 可根据测试材料的软化点温度进行选择。一般选用闪点为300 °C的二甲基硅油,油品粘度建议控制在100 cSt(里斯)以内。


问:二甲基硅油需要多长时间更换?
答: 需根据实验使用频率定期检查。建议随时观察实验介质的状态,如发现二甲基硅油已变质(如颜色变深、浑浊或产生异味),应及时更换。在正常使用条件下,通常建议每半年更换一次。


问:你们的设备带制冷功能吗?
答: 设备本身不带制冷功能,但已预留接口,可外接冷水机进行冷却。


问:做实验的过程中会产生很大的油烟吗?

答:建议选用优质的二甲基硅油,在实验过程中会产生轻微的油烟,实验室可在设备上方安置排烟罩。


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