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如何认识挤塑聚苯板的燃烧性能
作者:admin 来源:本站 发布时间:2018-02-27 16:11:01 浏览次数:421
1、比较项目可燃B2级难燃B1级
1. Comparison of combustible B2 grade B1
2、山东挤塑板检测方法GB8626-88GB/T8625-2005(采用边缘点火)(采用燃烧竖炉试验)
2, Shandong extrusion plate testing method GB8626-88GB/T8625-2005 (using edge ignition) (using a combustion shaft test)
3、试件尺寸 90mm宽×190mm高190mm宽×1000mm高

3. The size of the specimen is 90mm wide x 190mm high 190mm width x 1000mm

山东挤塑板

4、燃烧时间 15s,火焰尖头位于试件底边中心,并与试件成45°角10min,燃烧器位于四个试件底部中央
4, the burning time is 15s, the flame tip is located at the center of the bottom of the test piece, and the corner is 45 angle 10min with the test piece, and the burner is located at the bottom of the bottom of the four specimen.
5、判断标准
5, judgment standard
(1)点火开始后的20s内,五个试件火焰尖头均未达到离受火点以上150mm
(1) in the 20s after the ignition, the flame tip of the five specimens did not reach the 150mm above the fire point.
(2)试件燃烧的剩余长度平均值≥150mm,其中没有一个试件的燃烧剩余长度为零
(2) specimen burning average value of remaining length is larger than 150mm, which is not a specimen of length zero residual burning
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