ASTM D 7031返回 Back

 

 

Test item 测试名称: 标准规范评估机械物理性能的复合木材产品
Standard Guide for Evaluating Mechanical and Physical Properties of Wood-Plastic Composite Products 

 

Test info 测试内容: 

Test item

Test standard

Lead time

Sample size

  Others

弯曲强度
Flexural Strength
(Modulus of Rupture, MOR)

ASTM D 6109

7 working days

实际生产的完整截面样品
(送检的产品一般为实心或空心型材)
样品长度:建议为型材厚度的20.
10 pcs

此标准采用的是四点弯曲,上压头跨距为样品跨距的三分之一(Third-Point Loading)

弯曲模量
Flexural Modulus
(Modulus of Elasticity, MOE)

ASTM D 6109

侧向抗钉子滑移力
Lateral Nail Resistance

ASTM D 1037Section 13

7 working days

75×200mm×实际厚度

样品状态为常态干燥
(Dry "as Received"),如需其他前处理需适当增加相应费用

钉子或螺丝拔出力
Nail or Screw Withdrawal

ASTM D 1037Section 14
ASTM D 1037 Section 16

7 working days

钉子测试样品:最小75×150mm×实际厚度
螺丝测试样品:
板面测试样品:最小75×100mm×实际厚度(实际厚度小于25mm,可用胶水粘合一层至多层来达到25mm的最小厚度)
板侧测试样品:最小75×150mm×实际厚度

样品状态为常态干燥
(Dry "as Received"),如需其他前处理需适当增加相应费用

钉头拉穿力
Nail-Head Pull-Through

ASTM D 1037 Section 15

7 working days

最小75×150mm×实际厚度

样品状态为常态干燥
(Dry "as Received"),如需其他前处理需适当增加相应费用

抗冲击测试
Impact Resistance

ASTM D 4495

7 working days

型材,长度不少于150mm,20 pcs

 

比重
Specific Gravity

ASTM D 2395ae1 Method B

7 working days

任意形状样品,重量不少于100g

 

ASTM D 792(Immersion Method)

水分含量
Moisture Content

ASTM D 4442

7 working days

任意形状样品,重量不少于50g

 

磨耗测试
Abrastion Test

ASTM D 4060

7 working days

100mm×100mmφ100mm,
片状,厚度一般不超过10mm

须指定磨轮型号、负荷和转数

吸水率
Moisture Absorption

ASTM D 1037

7 working days

150×150mm×实际厚度, 5 pcs.
可用实际样品进行测试.

 

厚度膨胀
Thickness Swell

ASTM D 1037

抗冻融
Freeze-Thaw Resistance

ASTM D 7031 Section 5.20

15 working days

实际生产的完整截面样品
(送检的产品一般为实心或空心型材)
样品长度:建议为型材厚度的20.
10 pcs

抗冻融测试后需做弯曲测试确认产品性能变化

抗紫外测试
Ultraviolet(UV) Resistance

ASTM D 2565

视具体测试时间而定

实际生产的完整截面样品
(送检的产品一般为实心或空心型材)
样品长度:建议为型材厚度的20.
当完整截面样品太大时,允许从样品表面裁取小试样.对于实心样品,小试样厚度不小于6mm.对于空心型材,小试样厚度为壁厚.
20 pcs

光源为氙灯,标准建议最少做2000h测试.抗紫外测试前后需做弯曲测试确认产品性能变化

ASTM G 154 cylce 1

光源为UV,标准建议最少做2000h测试.抗紫外测试前后需做弯曲测试确认产品性能变化

 Sample Report 报告样本:
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Picture for Reference
参考图片
  

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