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Ultra-X
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FLAX
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Ease of Installation
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Pliable, conforms easily for clean, tight seal
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Messy to handle, cut and install
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Lubrication
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Self-lubricating, virtually no water needed
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Requires water
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Replacement
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Stays flexible and pliable, easy to remove
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Dries out, gets brittle, difficult to remove
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Operating Condition
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Stays pliable, non-abrasive
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Hardens, becomes brittle and abrasive
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Resistance to Overheating
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Maximum temperature 550°F
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Maximum temperature 150°F
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Thermal Expansion
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Virtually none
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Will experience swelling
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Leakage
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Practically eliminated
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Will experience leakage
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Heat Dispersion
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11.9 BTU in/h ft2
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°F
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2.4 BTU in/h ft2
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°F
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Environment
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No oily contaminated water in bilge, no EPA issues
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Needs holding tanks or remediation
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Maintenance
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Once installed, needs no maintenance
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Need to add rings when consumed
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Equipment Damage
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Virtually eliminates shaft scoring and wear
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Gets hard and abrasive causing costly damage
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Longevity
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Normally lasts until scheduled haul out
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Consumed or destroyed at high shaft speeds
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