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Polyester modelling filler

Mold-making polyester filler is primarily recommended for work on large surfaces above the waterline, in interiors, as well as on molds and models.

Polyester fillers are much easier to work with than epoxy products. However, it’s worth noting that they have lower mechanical strength, require applying several layers to achieve the desired thickness, and can absorb water.

WeightCode
2 kg4952
5 kg4600
25 kg4601
Polyester modelling filler

Technical informations

Application method

By hand:

  • putty knife
  • trowel (for large surfaces)

Product description "Polyester modelling filler"

  • Recommended for use on large surfaces by means of extended pot life.
  • Very easy to work with.
  • Adapted for use in an environment with high humidity.
  • Adheres to various surfaces.
  • Resistance to weather conditions.
  • Suitable hardness.

Basic information

TypeGRP laminates, wood, steel, aluminum
PlaceAbove waterline
FunctionLarge surfaces
ApplicationPutty knife
Pot life  20°C8÷10 min
Hardening time 20°C30÷40 min

You have questions about the product - Polyester modelling filler

    Also check

    Our FAQ answers to frequently asked questions

    Why the epoxy filler does not harden?

    Possible causes

    • Incorrect proportion of base and herdener,
    • Too low temperature of ambient and surface (less than 10ﹾC),
    • Mixing two components from two different manufacturers,

    How to prevent

    • Apply the correct proportions of components
    • Maintain steady temperature (around 20ﹾC) during the whole hardening process,
    • Use base and hardener from the same manufacturer

    How to remove

    • The uncured mass requires complete removal from the surface.

    Can I use selfpolishing Sea-Line and HARD Sea-Line antifoulings on aluminium boat?

    Sea-Line HARD and Sea-Line self-polishing antifouling are not intended for aluminum surfaces. They include copper oxide, which in contact with aluminum causes galvanic corrosion. Especially on aluminum, we offer ALU-PLUS self-polishing anti-fouling paint, which, in addition to excellent adhesion to aluminum, is also 30% more effective than traditional anti-fouling paints.

    Why does the paint have no adhesion?

    Possible causes

    • Wrong surface preparation,
    • Skipping the primer in the system application process,
    • Use of universal thinners or replacements ,
    • Paint incompatibility.

    How to prevent

    • Correct surface preparation (grinding, clearing, degreasing),
    • Use primers which improve adhesion of paints,
    • Use thinners which are dedicated to each paints,
    • Use of paints which are compatible to each other.

    How to remove

    • Grind, clean and paint again.
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