1、 _ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising ther
2、efrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2015 SAE International All rights reserved. No part of this
3、publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-49
4、70 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/J860_201506 SURFACE VEHICLE STANDARD J860 JUN2015 Issued 1963-06 Revised 2015-06
5、 Superseding J860 JUL2009 Test Method for Measuring Mass (Weight) of Organic Trim Materials RATIONALE Change test conditions in 3.1 to 10% RH. 1. SCOPE This SAE Standard is used to determine the mass per unit area, in grams per square meter, of materials used for trimming automobile interiors. 2. RE
6、FERENCES There are no referenced publications specified herein. 3. PROCEDURE 3.1 Condition all test specimens in a standard atmosphere of 23 C 2 C and 50% 10% relative humidity for 24 h. 3.2 Cut three specimens 100 mm X 100 mm or as designated by the contractual parties. For roll goods two specimens
7、 shall be taken approximately one tenth the width of the material from each selvage and one specimen at approximately the middle of the width of the material. The three specimens shall be staggered as much as feasible in the length of the roll goods. For materials other than roll goods, cut three sp
8、ecimens from the representative areas as designated by the contractual parties. 3.3 Measure the length and width of each specimen to the nearest 0.5 mm with a ruler or tape and calculate the area of each in square millimeters. 3.4 Weigh each of the three test specimens to the nearest milligram. SAE
9、INTERNATIONAL J860 Revised JUN2015 Page 2 of 2 3.5 Calculate the mass per unit area in grams per square meter as shown in Equation 1: (Eq. 1) where: A = Average mass in grams of the three test specimens B = Average area in square millimeters of the three test specimens 4. NOTES 4.1 Marginal Indicia
10、A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. PREPARED BY THE SAE TEXTILES AND FLEXIBLE PLASTICS COMMITTEE A 106B- g m2=
