What is Interior Finish 770 Part B and why choose it?
INTERIOR FINISH 770 PART B by International Náutica is the dedicated converter/curing agent (YIC700) for the two-pack polyurethane coating system Interior Finish 770. It is designed to react with Part A to create a durable satin interior finish for engine rooms, cabins, trims, bilges and lockers on yachts and other vessels. Using the specified Part B ensures correct curing, film integrity and appearance of the Interior Finish 770 system.
Main features
- Curing agent specifically formulated for Interior Finish 770 two-pack polyurethane finish.
- Ensures proper chemical reaction and hardening of the coating system.
- Supports a smooth, even satin finish when applied by spray as part of the complete system.
- Suitable for a wide range of interior areas when combined with Interior Finish 770 Part A, including cabins, machinery spaces, trims, bilges and lockers.
- Part of a high quality professional coating system designed for interior marine use.
Technical specifications
- Product type: Converter/curing agent for two-pack polyurethane interior finish.
- System component: Interior Finish 770 Part B (used with Interior Finish 770 Part A).
- Mixing ratio with Part A: 14:1 by volume / 11:1 by weight (system data for Interior Finish 770).
- Typical shelf life: 2 years (Part B, as stated for the Interior Finish 770 system).
Applications and use cases
INTERIOR FINISH 770 PART B is used exclusively as the curing agent for Interior Finish 770. Together with Part A it is suitable for:
- Engine rooms and machinery spaces: satin interior finish where a full gloss is not desired.
- Cabins and accommodation areas: smooth, uniform interior coating when applied by spray.
- Trims, bilges and lockers: robust two-pack interior finish as part of a complete epoxy/PU system over suitable primers (e.g. Interior Primer 860).
- Deck heads and overhead areas: uniform low-glare satin appearance when used with Interior Finish 770 Part A.
FAQ – Interior Finish 770 Part B
- What is the role of INTERIOR FINISH 770 PART B?
It is the converter/curing agent that reacts with Interior Finish 770 Part A to form a hard, durable two-pack polyurethane interior coating.
- Can Part B be used with other paints?
No. It is formulated specifically for use with Interior Finish 770 Part A.
- What mixing ratio should be used?
The Interior Finish 770 system uses a mixing ratio of 14:1 by volume (Part A : Part B) or 11:1 by weight.
- Where can the complete system be used?
When mixed with Part A, it is designed for interior areas such as engine rooms, cabins, trims, bilges, lockers and deck heads.
- How long is the shelf life of Part B?
The typical shelf life stated for Interior Finish 770 Part B is 2 years.
- Is Part B applied on its own?
No. It must always be mixed with Interior Finish 770 Part A before application.
- What primers are compatible with the system?
System documentation for Interior Finish 770 specifies primers such as Interior Primer 860, Interior Primer 333WB and Epoxy GP Coating.
- Is this product suitable for permanently immersed surfaces?
The Interior Finish 770 system is not suitable for permanently immersed surfaces.
Section 14 – Transport information
Consultar ficha técnica del fabricante.
Section 8 – Personal protective measures
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*Contenido generado por IA
