1、TAPPI/ANSI T 1015 sp-15 OFFICIAL TEST METHOD 1992 WITHDRAWN 2000 REINSTATED AS STANDARD PRACTICE 2006 REAFFIRMED 2010 REAFFIRMED 2015 2015 TAPPI The information and data contained in this document were prepared by a technical committee of the Association. The committee and the Association assume no
2、liability or responsibility in connection with the use of such information or data, including but not limited to any liability under patent, copyright, or trade secret laws. The user is responsible for determining that this document is the most recent edition published. Approved by the Standard Spec
3、ific Interest Group for this Test Method TAPPI CAUTION: This Test Method may include safety precautions which are believed to be appropriate at the time of publication of the method. The intent of these is to alert the user of the method to safety issues related to such use. The user is responsible
4、for determining that the safety precautions are complete and are appropriate to their use of the method, and for ensuring that suitable safety practices have not changed since publication of the method. This method may require the use, disposal, or both, of chemicals which may present serious health
5、 hazards to humans. Procedures for the handling of such substances are set forth on Material Safety Data Sheets which must be developed by all manufacturers and importers of potentially hazardous chemicals and maintained by all distributors of potentially hazardous chemicals. Prior to the use of thi
6、s method, the user must determine whether any of the chemicals to be used or disposed of are potentially hazardous and, if so, must follow strictly the procedures specified by both the manufacturer, as well as local, state, and federal authorities for safe use and disposal of these chemicals. Fiber
7、glass mat uniformity (visual defects) 1. Scope This method is a description of fiber glass mat attributes that define visual uniformity in the finished mat product. 2. Significance This description is intended to list visual defects of glass mat. 3. Procedure Visual inspection should be made during
8、the manufacture of glass mat at the unwind stand prior to packaging or prior to conversion. 4. Attributes (visual defects) 4.1 Specific definitions of the degree of non-conformity of mat to a prescribed guideline must be agreed upon between buyer and seller. 4.2 The mat is to be of uniform thickness
9、 and have a smooth surface. 4.3 The mat shall be free from oil, grease, and dirt. 4.4 The mat shall be free from wrinkles, ripples, folds, or creases. 4.5 The mat shall be free from torn edges and holes greater than 1/2 in. (12.7 mm) in diameter. 4.6 The mat shall be free from wet binder spots, thin
10、 areas, fiber clumps, and stringers. 4.7 The mat shall be free from delamination. 4.8 The mat shall be free from fuzzy or unbonded loose surface and edge fibers. 4.9 The mat shall not exhibit telescoping in excess of 1.5 in. (38 mm) and telescoped ridges in excess of 3/4 in. (19 mm) high and less th
11、an 1 in. (25 mm) wide. 4.10 The mat shall not exhibit core misalignment greater than 3/4 in. (19 mm). T 1015 sp-15 Fiber glass mat uniformity (visual defects) / 2 5. Precision A statement of precision is not applicable to this practice. 6. Keywords Fiber glass mats, Uniformity, Visual defects, Defects, Formation, Vision 7. Additional information Effective date of issue: April 15, 2015. Your comments and suggestions on this procedure are earnestly requested and should be sent to the TAPPI Standards Department.