FLOATER for HDPE/UHMWPE sand dredging pipe:
TECHNICAL LITERATURE OF PIPE FLOATER
Structure of Floater for Dredging Pipe
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No.
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Structure Name
|
Material
|
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1
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Polyethylene Hull
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Polyethylene
|
|
2
|
Hard Polyurethane Foam
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Closed-cell Polyureshane
|
|
3
|
Steel Bolts & Nuts
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Metal
|
1. Tolerance:
Length: 1.5%, Diameter: ±1%, Thickness: ±1mm, Weight: ±2%
2. Appearance must be smooth and homogeneous, bright color, the diameter of burned dots must be under 100mm.
Main Technical Properties
|
Item
|
Technical Index of Hull
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Item
|
Inside Technical Index
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|
Tensile Strength
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≥13.1MPa
|
Water Absorption
|
1-2g/100cm2
|
|
Bteak Elingation
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≥11.1%
|
Breaking Strength
|
0.08-0.1MPa
|
|
Impact Strength
|
≥32.4KJ/m2
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Breaking Elingation
|
4-6%
|
|
Bending Strength
|
≥15.7 MPa
|
Compressive Strength
|
0.1-0.24MPa
|
|
Weather Resistance
≥
3.5GJ/m2
After tital aging energy≥3.5GJ/m2
|
Break Elingation %≥
|
10
|
|
|
200°Cmm≥
Oxidative Induction Time 200°Cmm≥
|
10
|
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