海绵压缩永久变形测试仪

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山西冠恒精电仪器设备有限公司
15234243877 0351-7264255
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Last Updated 2025-08-08 19:37

海绵压缩永久变形测试仪

一、海绵压缩永久变形测试仪:
         开孔软质泡沫材料永久变形、闭孔软质泡沫材料永久变形、软质泡沫聚合材料永久变形、通用软质聚醚型聚氨酯泡沫塑料永久变形、柔性泡沫聚合物永久变形、软质泡沫聚合材料压缩永久变形。


二、海绵压缩永久变形测试仪产品简介;
主要依据ISO1856方法A(ASTM D3574—D JIS K6400-7)设计,用夹具将海绵压陷至原始厚度的50%,放置将温度调70的恒温箱内,待至22个小时之后从中取出压缩器,将试样从压缩器中取出放置30min后,测量厚度,计算其变形量。


三、海绵压缩永久变形测试仪符合标准;

GB/T 6669-2001 软质泡沫聚合材料压缩永久变形的测定


四、海绵压缩永久变形测试仪主要特点:
 海绵泡沫压缩永久变形试验仪指试样的初始厚度与在规定时间、规定温度下压缩后,经过规定恢复时间的试样最终厚度差异。差异的大小与初始厚度有关。

五、海绵压缩永久变形测试仪参数

 

1.采用具有

控温保护、

数字显示的微电脑温度控制器,

带有定时功能,

控温精确可靠。

2.热风循环系统由能在高温下连续运转的风机和合适风道组成。

工作室内温度均匀。

3.定时范围:   1-9999min

4.温度波动:    ±1%(满量程)

5.温度范围:   室温-200度

6.容积(WxDxH mm):   350×300×300

7.外形尺寸(mm) :  600x420x450


a)压 缩 量:  50%,75%,90%

b)测试温度:  70℃

c)测试时间:  22h

d)试 样:  50mmx50mmx25mm   5块

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