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JIS K 6767
作者：TECERT 发布于：2014-04-01 04:41:23 检测认证一站式服务 收藏：Ctrl+D
摘要：JIS K 6767 Cellular plastics - Polyethylene - Methods of test 联系我们：info@tecert.com 安排检测 / Contact us for testing.
| 标准编号 Standard/Code | 标准名称 Standard Title |
| JIS K 6767 | Cellular plastics - Polyethylene - Methods of test |
Test Requirement 测试要求：
|
Test item (Clause) |
Number of specimens | Figures of test result |
| 5.1—Apparent density密度测试g/cm2 | Not less than 15 cm3 | Calculate the density in g/cm2 |
| 5.2—Tensile strength断裂强力kgf/cm2 (N/ cm2) | 5pcs 120*25*10mm(method A) | Method A or method B |
| —Elongation断裂伸长率% | 5pcs 50*50*10mm(method B) | |
| 5.3—Hardness in compression压缩硬度 kgf/cm2 (N/ cm2) | 3pcs 50*50*25mm | At 10mm/min by 25% of the initial thickness and stop compression, the measure the load after 20s Calculation the hardness in compression by load after 20s and the specimen width and length. |
| 5.4—Permanent set in compression 抗压系数% | 3pcs 50*50*25mm | compress specimen by 25% of the thickness of the test piece and fix, at 20±2℃ and 65±5% RH. For 22h |
| 5.5—Creep in compression % | 9pcs 50*50*25mm | Measure the charge in thickness at four times,1h, 24h, 96h and 168h after applying the load. |
| 5.6—Tearing strength 撕裂强度kgf/cm (N/ cm) | 5pcs 100*35.5*10mm | At 500mm/min until the test piece break, and measure the maximum load at the time of break. |
| 5.7—Dimensional change on heating热缩性% | 3pcs 150*150*?mm | At air oven 70℃,heat it for 22h, leave it at20±2℃ and 65±5% RH. for 1h, calculation the rate of dimensional change on heating S(%) |
| Reference II—Water absorption吸水率 (g/cm2 ,g/cm3) | 3pcs 120*120*25mm | Method A: Calculate the water absorption Qs(g/cm2) |
| Method B: Calculate the water absorption Qv( g/cm3) |
Sample Size 样品数量 / 送样规格: on request
Lead Time / TAT (Turn Around Time) 测试周期: 常规服务 Regular service 7-9 working days
Report Summary 报告摘要:
