Polyester resin

Polyester structural resin is recommended for laminating, reinforcing surfaces, patching holes, and repairs, especially in situations where the speed of repair execution is crucial.

Weight	Code
250 g	2392
500 g	6080
1 kg	2480

Technical informations

Color

transparent

Application method

Manually:

brush
roller

Product description "Polyester resin"

Sea-Line® structural polyester resin is recommended for laminating, reinforcing the surface, and patching holes and damage – especially in situations where the most important is a fast repair time.
In conjunction with the glass mat, it is used for manual repairs of damage.

To obtain a fully-fledged and adequately strong laminate, use a 2:1 weight ratio of resin to glass mat for polyester or a 1:1 weight ratio of resin to glass fabric.To finish laminated surfaces we recommend using Sea-Line® fillers, Sea-Line® epoxy primers, Sea-Line® topcoats or a Sea-Line® gelcoat repair kit.

Type	Laminates, steel
Place	Above and below waterline
Function	Laminating, repairs, reinforcement, gluing
Application	Brush, roll
Thinning	Not recommended
Theoretical coverage for 1kg (for 1 layer laminate)	performance for layer of laminate based on glass fibre mats
	150 g/m² 300 g/m² 450 g/m²	~3,5 m² ~1,7 m² ~1,1 m²
	performance for layer of laminate based on glass fibre
	200 g/m² 400 g/m²	~5 m² ~2,5 m²
Coats number	According to your needs
Pot life 20°C	10~15 min
Hardening time	45 min

The resin is available in 2 sets:

Set of 250 g
contains a polyester structural resin with hardener, fibre glass mat (0,25m2), disposable gloves, a brush and a cup with a scale for easy dosing of ingredients and instructions for repair.
Set of 500 g
contains a polyester structural resin with hardener and a cup with a scale for easy dosing of ingredients and instructions for repair.
Set of 1 kg
contains a polyester structural resin with hardener and a cup with a scale for easy dosing of ingredients and instructions for repair.

Also check

Parafina Sea-Line
Paraffin is an additive mainly to polyester gelcoats, necessary when it is necessary to apply
Parafina Sea-Line
Lamination – fiberglass and glassfabric
Fiberglass reinforcements, including boat mats and fiberglass fabrics combined with resin, are used for repairs
Lamination – fiberglass and glassfabric
Polymer
Is elastic sealant recommended for sealing and bonding various types of materials.
Polymer

Our FAQ answers to frequently asked questions

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.

We recommend to always sand the surface between applying two different products to ensure uniform surface roughness and adhesion of subsequent layers. The sanded surface should also be cleaned and degreased.

Sea-Line yacht paints are designed for painting the surface of boats and yachts made of various materials, e.g. laminate, wood or steel. We do not have a certificate of the National Institute of Hygiene, which would allow the use of yacht paint to paint the tank with drinking water.