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Tolerance

The rubber fenders and relevant accessories of GLEN are in accordance with GB/T standard and tolerance. Smaller tolerance could be adopted for special applications.

Non-extruded fender profile tolerance:

Fender profile size Tolerance
Length +4%
-2%
Breadth +4%
-2%
Height +4%
-2%
Thickness +3%
-2%
Fender thickness tolerance +10%
Which height under 300 mm -5%
Internal size tolerance
Internal ±8%
Bolt hole size tolerance
Bolt hole diameter  ±2mm
Bolt hole pitch ±4mm

 

Property of UHMW-PE

Property Unit Value
Density g/cm2 0.93-0.95
Tensile strength Mpa  ≥20
Elogation at break  %  ≥200
Hardness   shore D 61-70 
Ball Indention hardness  Mpa  ≥30
Charpy Impact Strength  kj/m2  ≥70
Friction coefficient    ≤0.2
Bolt hole size  tolerance
 Bolt hole diameter  ±2mm
Bolt hole pitch ±4mm

 

Extruded fender profile tolerance 

Fender profile size Tolerance 
Length +10%
-5%
Breadth +10%
-5%
Height +10%
-5%
Thickness  

 

UHMW-PE pad profile tolerance

Pad profile tolerance Tolerance
Length ±2mm
Breadth ±2mm
Thickness ±2mm
Pad bolt hole size tolerance
Bolt hole size ±2mm
Bolt hole pitch ±2mm 

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