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TAPPI T 538
作者：TECERT 发布于：2022-12-31 19:34:31 检测认证一站式服务 收藏：Ctrl+D
摘要：TAPPI T 538 Roughness of Paper and Paperboard (Sheffield Method) 联系我们：info@tecert.com 安排测试 / Contact us for testing.
| 标准编号 Standard/Code | 标准名称 Standard Title |
| TAPPI T 538 | Roughness of Paper and Paperboard (Sheffield Method) |
This method is a measurement of the air flow between the specimen (backed by flat glass on the bottom side) and two pressurized, concentric annular lands that are impressed into the sample from the top side. The rate of air flow is related to the surface roughness of paper or paperboard.
