What it is and why choose it
ALEXSEAL FAIRING COMPOUND 242 FAST CONVERTER (C2425) is the fast hardener component of the ALEXSEAL Fairing Compound 242 epoxy fairing system. Supplied for professional use, it is designed to be mixed with ALEXSEAL Fairing Compound 242 Base to create a solvent-free, lightweight epoxy filler. This system provides excellent application, sanding and anti-sagging properties and creates an optimal surface for subsequent ALEXSEAL Yacht Coating products.
Main features
- Fast converter for Fairing Compound 242: Developed specifically to catalyze ALEXSEAL Fairing Compound 242 Base.
- For yacht fairing work: Part of a system ideal for filling and fairing areas above and below the waterline on properly prepared substrates.
- Supports excellent workability: The cured fairing system offers smooth application, easy sanding and resistance to sagging on vertical surfaces.
- Compatible with ALEXSEAL primers and topcoats: Once cured and sanded, the fairing system can be overcoated with other ALEXSEAL Yacht Coating products such as Super Build 302 and Finish Primer 442.
- Available packaging: ½ Gal and 2 Gal cans for professional fairing jobs of different sizes.
Technical specifications
- Product type: Fast converter (hardener) for ALEXSEAL Fairing Compound 242.
- Trade name / code: C2425 ALEXSEAL Fairing Compound 242 Converter Fast.
- System components: Used in combination with ALEXSEAL Fairing Compound 242 Base (P2420).
- Color indication: Fast converter color: Red (mixed color with base: green-gray).
- Mixing ratio with Base 242:
- By volume: 1 : 1 (Base : Converter).
- By weight: 10 : 6 (Base : Converter).
- Reduction: ALEXSEAL Fairing Compound 242 must not be reduced (no solvent thinning).
- Recommended temperature range for use: Use the Fast Converter below 15 °C (60 °F). Do not use below 10 °C (50 °F) or above 40 °C (104 °F).
Applications and use cases
Typical applications within the 242 fairing system
- Yacht hull fairing: Professional filling and fairing of metal and GRP yacht hulls in combination with ALEXSEAL Fairing Compound 242 Base.
- Above and below waterline work: Suitable for fairing systems on properly prepared surfaces both above and below the waterline, when used as part of the complete ALEXSEAL system. Below the waterline, the fairing must be sealed with ALEXSEAL Finish Primer 442.
- Repair and refit projects: Fairing and re-fairing of existing coated or primed structures where ALEXSEAL primers such as Protective Primer 161, Super Build 302 or Finish Primer 442 are used as specified.
- Layered fairing builds: Multi-layer fairing applications where subsequent layers of Fairing Compound 242 are applied after sanding to ensure adhesion between coats.
Substrate preparation within the system
- Clean and dry surfaces: Substrates must be clean, dry and free from dust, grease, oil and other contamination before the Fairing Compound 242 system is applied.
- Abrasion for adhesion: Surfaces should be ground and/or blasted with 36–60 grit prior to priming to ensure system adhesion. Thin fairing systems (< 3 mm) require a less aggressive profile than full fairing systems.
- Metal substrates: Prime with ALEXSEAL Protective Primer 161. Fairing Compound 242 can then be applied directly to Protective Primer 161 without sanding for up to 6 months.
- GRP substrates: Use ALEXSEAL Super Build 302, Finish Primer 442 or Protective Primer 161 over properly prepared GRP. All ALEXSEAL primers other than 161 should be sanded with 60–80 grit after overnight drying before applying the Fairing Compound 242 system.
Application and sanding (system information)
- Application tools: Trowels, spatulas and straight-edge materials.
- Mixing control by color: The base and converter components have different colors. After thorough mixing, the filler must appear as a homogeneous, uniform color; otherwise curing defects may occur.
- Mixing method: Mix mechanically with slow-turning dough mixers or by hand. Do not use drill mixers. Avoid introducing air bubbles.
- Application technique: Apply in thin layers with spatula or trowel, working up to the desired thickness before pulling off with a straight edge to minimize air pockets.
- Equipment cleaning: Use R4042 ALEXSEAL Epoxy Primer Reducer for cleaning tools and equipment.
- Sanding: Block sand the cured Fairing Compound 242 with 36–120 grit. Finishing with 80 grit or finer helps prevent sand-scratch print-through in subsequent coating layers.
- Recoating within the system: Recoating Fairing Compound 242 over itself should follow the minimum dry-to-sand times and include scratch sanding with 36–60 grit to ensure intercoat adhesion. Overcoating with ALEXSEAL products including 302, 303, 328 and 442 is possible after minimum time and block sanding with 36–120 grit.
FAQ
1. What is ALEXSEAL Fairing Compound 242 Fast Converter used for?
It is the fast converter (C2425) that is mixed with ALEXSEAL Fairing Compound 242 Base to create a solvent-free epoxy fairing filler for professional yacht fairing work.
2. What is the correct mixing ratio with Fairing Compound 242 Base?
The system is mixed 1:1 by volume (Base : Converter) or 10:6 by weight (Base : Converter.
3. Can the Fairing Compound 242 system be thinned with solvent?
No. ALEXSEAL Fairing Compound 242 must not be reduced and is used without solvent.
4. When should the Fast Converter be chosen instead of the standard converter?
The Fast Converter is specified for use below 15 °C (60 °F), within the general limitation that the system should not be used below 10 °C (50 °F) or above 40 °C (104 °F).
5. On which substrates can the Fairing Compound 242 system be applied?
It is intended for properly prepared metal and GRP substrates that have been primed with compatible ALEXSEAL primers such as Protective Primer 161, Super Build 302 or Finish Primer 442 as described in the technical data.
6. Is the system suitable for areas below the waterline?
Yes, the Fairing Compound 242 system can be used below the waterline provided it is correctly applied on a suitable substrate and sealed with ALEXSEAL Finish Primer 442.
7. How should the cured fairing be prepared before overcoating with other ALEXSEAL products?
The surface should be block sanded with 36–120 grit. Finishing with 80 grit or finer helps to avoid visible sanding marks in the final coating system.
8. How is application equipment cleaned?
Tools and equipment used with the Fairing Compound 242 system should be cleaned with R4042 ALEXSEAL Epoxy Primer Reducer.
9. Is this product intended for DIY use?
No. The Fairing Compound 242 system, including the Fast Converter, is designated for professional use only.
Section 14 – Transport information
Consultar ficha técnica del fabricante.
Section 8 – Individual protection measures
Consultar ficha técnica del fabricante.
*Contenido generado por IA
