Apticote 2020
A New Concept for Cylinder Bores
The Apticote 2020 cylinder bore coating represents a step change in bore coating technology, providing superior performance to that given by conventional Ni/Ceramic composite electroplates. Power is increased, streaking is eliminated, and piston skirt and ring wear is reduced.
The coating is based on a revolutionary composition, with greatly reduced surface friction and the ability to resist metallic pick-up from the piston rings and skirt. It is that phenomenon, particularly with chrome-plated rings, which causes of the unsightly and damaging ‘streaking’ problem that undermines engine performance.
Benefits
Anti-Streaking
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An end to this! |
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Apticote 2020 does not streak! This eternal problem that occurs with conventional bore coatings is caused by pick-up of metal from the bore by the piston ring, which then scores the bore surface.
With its unique composition, Apticote 2020 prevents cross transfer of metal, even with Chrome Plated rings, and eliminates the scoring.
Applications
- Two-strokes
- Four-bores
- Liners
- Cast Al blocks
- Four strokes
- Compressors
- Hydraulics
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The APTICOTE 2020 Range
Liners and blocks that are honed by the end-user
Barrels and four-bores honed by Poeton
Compressor housings
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Each application requires a
specific version the coating.
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Key Features
- High hardness
- Low friction
- Anti-streaking
- Little on no wear
- High precision
- Coats any substrate
- Easy honing
- Compatible with any piston ring or piston
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Increased Power
By using a specialised coating composition and honing technique the friction between the bore coating and the piston ring is reduced, and the lubricant retention on the surface is increased. Together, they help the coating provide for increased engine power output.
The demonstration below was performed on a snowmobile engine, with up to 3% increased power and no streaking.
Substrate materials
Poeton have solved all the pre-treatment problems, so that Apticote 2020 can be applied with confidence to any cast iron, steel or aluminium alloy, including cast alloys, that might be used for a cylinder bore.
Uniformity and Thickness
Apticote 2020 can be applied in a highly controlled deposit, ensuring a minimum requirement for honing and maximum bore precision. The coating thickness after honing is 50 to 75µ.
Hardness
Apticote 2020 coatings have a hardness value in the range 540 to 580Hv. It is very closely controlled within the deposition process and, together with the unique composition, provides the basis for the low friction and anti-streaking.
Honing
Apticote 2020 must be honed by Poeton. The specialised honing is part of the process and is an essential step in producing the unique low friction surface.
| IMPORTANT - Apticote 2020 is a specialised coating. It is necessary that the customer work closely with Poeton on the total ‘system’, that is the design, dimensions, substrate, coating and honing specification. It is not an ‘off the shelf’ coating for one-off parts. |
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