TEST SERVICES
SHIELDING EFFECTIVENESS
COMPRESSION VS DEFLECTION
COMPRESSION VS RESISTANCE
COMPRESSION SET
EVALUATION OF
PARKER CHOMERICS
SOFT-SHIELD
®
3500, 3700 AND 5000 EMI GASKETS
Date: AUGUST 19, 2020
Test Report Number: SR7286.19 REVISION 1
IN ACCORDANCE WITH
CHO-TM-TP08
ASTM D 575
ASTM D 3574
Prepared For: PARKER CHOMERICS
77 DRAGON COURT
WOBURN, MASSACHUSETTS 01801
ATTENTION: APPLICATIONS ENGINEERING
Prepared By: CHOMERICS TEST SERVICES
77 DRAGON COURT
WOBURN, MASSACHUSETTS 01801
Test Technician or Engineer:
CTS Approved Signatory:
This report shall not be reproduced except in full without the written approval of Chomerics Test Services.
TEST SERVICES
Document #: SR7286.19 Rev 1
Parker Chomerics Soft-Shield Gaskets
Date: 2020-08-19
Page 2 of 31
TABLE OF CONTENTS
REVISION RECORD SHEET .................................................................................................... 3
1.0 GENERAL ........................................................................................................................ 4
1.1 Introduction ............................................................................................................... 4
1.1.1 Purpose .............................................................................................................. 4
1.1.2 Requirements ..................................................................................................... 4
1.1.3 Test Locations .................................................................................................... 4
1.3 Administrative Data ................................................................................................... 5
1.3.1 Test Facility ........................................................................................................ 5
1.3.2 Equipment Calibration ........................................................................................ 5
1.3.3 Gasket Sample(s) Under Test ............................................................................ 6
2.0 TESTS PERFORMED ..................................................................................................... 7
2.1 Radiated Electric Field and Plane Wave Shielding Tests .......................................... 7
2.1.1 Equipment Used ................................................................................................. 7
2.1.2 Test Method ........................................................................................................ 7
2.2 Compression Deflection and Resistance Tests ......................................................... 9
2.2.1 Equipment Used ................................................................................................. 9
2.2.2 Test Method ........................................................................................................ 9
2.3 Compression Set Tests ........................................................................................... 10
2.3.1 Equipment Used ............................................................................................... 10
2.3.2 Test Method ...................................................................................................... 10
2.4 Test Results and Recommendations....................................................................... 12
2.5 Test Data ................................................................................................................. 16
2.6 Shielding Effectiveness Photographic Documentation ............................................ 29