| 输送带强度标准 |
| 添加时间：2019/12/31 14:18:25 浏览次数： |
| 输送带强度标准 Conveyor belt strength standard 普通输送带执行GB7984-2001标准。 General conveyor belt shall comply with gb7984-2001 standard. 普通输送带：覆盖层：拉伸强度不小于15Mpa，扯断伸长度不小于350%，磨耗量≤200mm3；层间粘合强度纵向试样平均值布层间不小于3.2N/mm；覆盖胶与布层间不小于2.1N/mm；全厚度纵向扯断伸长率不小于10%；全厚度纵向参考力伸长率不大于1.5%。 Ordinary conveyor belt: covering layer: the tensile strength is not less than 15MPa, the tensile elongation length is not less than 350%, and the abrasion amount is not less than 200mm 3; the average value of longitudinal sample of interlayer adhesion strength is not less than 3.2n/mm between cloth layers; the average value between covering adhesive and cloth layers is not less than 2.1n/mm; the longitudinal tensile elongation of full thickness is not less than 10%; the longitudinal reference elongation of full thickness is not more than 1.5%. 尼龙（NN）、聚酯（EP）输送带：覆盖层：拉伸强度不小于15Mpa，扯断伸长度不小于350%，磨耗量≤200mm3,层间粘合强度纵向试样平均值布层间不小于4.5N/mm，覆盖胶与布层间不小于3.2N/mm,全厚度纵向扯断伸长率不小于10%，全厚度纵向参考力伸长率不大于4%，覆盖胶采用橡塑共混，骨架国标级别拉力强度系数，可以搭接成环形。 Nylon (NN), polyester (EP) conveyor belt: covering layer: the tensile strength is not less than 15MPa, the elongation at break is not less than 350%, the abrasion amount is not more than 200mm 3, the average value of longitudinal sample of interlayer adhesion strength is not less than 4.5n/mm between cloth layers, the elongation between covering adhesive and cloth layers is not less than 3.2n/mm, the elongation at break in longitudinal direction is not less than 10%, the elongation at reference force in longitudinal direction is not more than 4%, and the covering adhesive is rubber Plastic blending, national standard tensile strength coefficient of skeleton, can be lapped into a ring. |
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