K-Flex

K 42-N Data Sheet

 Polymer  NBR/ PVC/ CR
 Cell StructureClosed
 ColorBlack
 ASTM D1056 Classification 2B2 (B2, C1, F1, M)
 Density LB/FT 3 ASTM D10565 - 8
 25% Compression Resistance PSIASTM D10565 - 9
 50% Compression Set%ASTM D1056 25 MAX
 TensilePSIASTM D412 (DIE A)75 MIN
 Elongation %ASTM D412 (DIE A)100 MIN
 Tear StrengthLB/INASTM D624 (DIE C)15 MIN
 Water Absorption % ASTM D105610 MAX
 Fluid Immersion % ASTM D1056 (FUEL B)100 MAX
 Accelerated AgingASTM D1056
FlexibilityPASS
Appearance ChangeNONE
Compression Deflection Change % +/- 30%
 FlammabilityUL94:
HBF, HF-1IN PROGRESS
 V-0, 5VALISTED
 FMVSS-302 PASS
 FAR 25.3853IN PROGRESS
ASTM D5132PASS
Service Temperature°F ASTM D1056-40°F to +200°F
  Ozone ResistanceISO 1431PASS
Thermal Conductivity (75°F)BTU-IN/HR-FT 2- °FASTM C1770.33
  Maximum ThicknessINCHES 1-1/2"
  Thickness Tolerance
>/=1":-0/+0.2"
  Standard Width 54"
  Specification ComplianceUL 50ELISTED
FORD: WSK-M2D419-ATYPE III
GM: 15473CLASS I, TYPE IV
CHRYSLER: MS-AY-516TYPE II
CHRYSLER MSZ-75 J182B2