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PHYSICAL PROPERTIES - COIR
Coir Erosion Control Blanket
PROPERTY VALUE Coir 300 Coir 450J
Physical
Mass (ASTM D5261) g/m2 320 460
Thickness (ASTM D5199) mm 5 11
Tensile Strength (dry) (ASTM D4595) kN/m 1.5 md, 1.1 cd 2.7 md, 1.6 cd
Tensile Strength (wet) kN/m 1.5 md, 1.1 cd 2.7 md, 1.6 cd
Grab Tensile (ASTM D4632) N 95 md, 72 cd 101 md, 63 cd
Service Life months 12 to 24 24 to 48
Performance
Max. Design Shear Stress Pa 87 143
Max Slope (Light Velocity Flows)   2H:1V 1H:1V
Max Slope (Moderate Velocity Flows)   3H:1V 1H:1V
Max Slope (Heavy Velocity Flows)   3H:1V 1H:1V
 
Roll Sizes
PRODUCT SIZE
Coir 300 (coir/ PP netting both sides): photo degradable 2.4 m x 50 m
Coir 450 (coir/ Jute net and Jute thread): 100% bio degradable 2.4 m x 30 m
   
md = machine direction, cd = cross direction (width)
 
Last updated 27 April, 2011.
Note: The data in all tables is intended as guides only and is not intended as a warranty or guarantee.
Permathene Ltd. reserves the right to change the specification contained herein without notice.