Polyester filler, fiber-reinforced for thick repairs on boat parts or hulls (filling, sealing, ...).
Apply with a spatula
Drying time ≈ 20 min at 20°C
High impact resistance.
Supplied with hardener.
Epoxy resin is more expensive but surpasses polyester in terms of waterproofing and mechanical strength for structural repairs.
However, polyester resin may be sufficient for many applications, but do not apply it to an epoxy laminated substrate under penalty of having a poor structural and/or aesthetic result.
What is its purpose?
Laminating fabrics such as fiberglass, carbon fiber, Kevlar; sealing; bonding; making sealants with added fillers (silica, microballoons, carbon powder, etc.)
Finishing
Use a finishing putty of the same type as the resin. To paint over epoxy, use a two-component paint, or a primer if using a gelcoat finish.
A single-component or direct application of gelcoat will suffice on polyester.
What temperature?
Ambient temperature affects polymerization: work above 15°C, or buy winter resin with the appropriate hardener (polymerization from 5°C)
Price
Epoxy resin is more expensive than polyester resin, and the price can quickly escalate for large areas. Expect to pay around thirty euros for 1.5 kg of epoxy, compared to around fifteen euros for polyester.
Small repair kits are affordable and avoid the waste of large containers that harden over time.
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Regular price€1440 EUR
Unit price
Reinforced polyester putty
Spécifications
Pot de 100g + 6g catalyseur
Polyester filler, fiber-reinforced for thick repairs on boat parts or hulls (filling, sealing, ...).
Apply with a spatula
Drying time ≈ 20 min at 20°C
High impact resistance.
Supplied with hardener.