ASTM D 3574返回 Back

Test item 测试名称: Urethane Foams 聚氨酯海绵

 

Test info 测试内容:

Test item

Test standard

Lead time

Sample size

  Others

密度
Density

Test A

7 working days

芯密度(core density): 样品体积大于1000mm3,不带表皮的形状规则样品,1pc
截面密度(section density)带上下表皮,表皮面积不少于0.1m2的全厚度的形状规则样品, 1pc

 

指定压缩率的压缩应力
Indentation force deflection test-specified deflection(IFD)

Test B1

7 working days

成品或大小合适的部分,尺寸不小于380×380×100mm,
1 pc

 

支撑因子
support factor

指定应力的压缩厚度
Indentation residual gape load test—specified force(IRGL)

Test B2

7 working days

成品
或从坐垫裁出的
380×380mm×原厚的样品

 

压缩强度
Compression force deflection test

Test C

7 working days

标准尺寸:50×50×25 mm
或更大尺寸样品, 3pcs

 

(定压缩比)压缩永久变形
Constant deflection compression set test

Test D

7 working days

标准尺寸:50×50×25 mm,
3 pcs/
压缩比
试样厚度不够允许叠加

压缩比可以在标准建议的50%、75%或90%中挑选,亦可自行指定其它压缩比.

拉伸强度
Tensile strength

Test E

7 working days

200×200×(12.5±1.5)mm,
2 pcs.
样品的发泡方向必须为厚度方向

 

断裂伸长率
Ultimate Elongation

撕裂性能
Tear resistance

Test F

7 working days

直柱, 截面 25.4×25.4mm,
长度152.4mm, 3 pcs

 

落球回弹
Resilience test
(ball rebound)

Test H

7 working days

100×100×50mm, 3pcs

 

恒定变形的静态压力损失
Static force loss test at constant deflection

Test I1

7 working days

380×380mm×厚度, 1pc

 

热老化
Dry heat aging

Test K

7 working days

相应的物理性能测试要求的尺寸

需要指定老化前后要做的物理性能测试项目

湿热老化
Wet heat aging

Test L

7 working days

相应的物理性能测试要求的尺寸

需要指定老化前后要做的物理性能测试项目

 

Sample for reference 参考图片:
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Sample Report 报告样本:
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