Downloads (3)

This is a chemical product. Before storage or use you must download and read the accompanying safety and technical datasheets.

Dutch Safety DataSheet397 KB
Safety Datasheet (SDS)919 KB
Technical DataSheet (TDS)320 KB

Specification

Product Data
ColourClear
Max Service Temp70°C
Chemistry / MaterialPolyester
Viscosity2200mPa.s
UV ResistanceVery Good
Pot Life and Cure Times
Full Cure Time7Days
Pot Life (Typical)25mins
Initial Cure Time2Hrs
Cured Mechanical Properties
Hardness80 (Hard)Shore D
Tensile Strength65.4MPa
Flexural Strength134.6MPa
Flexural Modulus3.93GPa
Elongation at Break4.01%
Tg Onset (DMA)70°C
General Properties
Gross Weight1.3kg

Shipping Information

Restrictions

In the currently selected pack size, this product is classed as dangerous goods in limited quantity for the purposes of transport.

Shipping is possible to all UK addresses, including the Channel Islands, without restriction. However, due to being classed as 'dangerous goods', delivery times are not guaranteed on any delivery service.

Shipping to EU countries is now done through our European subsidiary based in the Netherlands. All EU customers should use www.easycomposites.eu.

To check availability of shipping to any other country, add the item to your basket and use the shipping calculator on the basket page.

For a full information regarding the shipment of dangerous goods to all destinations, see our delivery information page.

Package Size

There are no package size restrictions or surcharges for this product.

Delivery Cost

To find the availability and cost for delivery of this item to your address, add it to your basket and then use the instant shipping calculator on the basket page.

GCX Clear Polyester Spray Gel

GCX Clear Polyester Spray Gel is a clear, low viscosity isophthalic NPG polyester gelcoat suitable for the manufacture of composite components such as boat hulls, hatches, decks, vehicle panels, architectural and general composite mouldings. GCX Clear Polyester Spray Gel is highly UV stable and can be used clear, for cosmetic carbon fibre or decorative laminates, or pigmented to any colour.

Requires MEKP catalyst, not included. Available to buy online in 1kg, 5kg and 25kg tins.


PRODUCT VERSIONS

Pack Size

AVAILABILITY:More than 20 availablefor immediate shipping


PRICE
£10.95ex. VAT
(£10.95 /KG)
More than 20 availablefor immediate shipping
QTY
PACKS
PACKS
We won’t be beaten on price!

If you believe you’re buying an equivalent product cheaper elsewhere, contact us to discuss your requirements.

Superior quality, UV stable, clear polyester gelcoat suitable for a wide range of gelcoating operations including use as a clear gelcoat for cosmetic appearance carbon fibre and other advanced materials.

Requires MEKP Catalyst, not included.

Typical Uses

It is widely known that for high performance structural applications using carbon fibre or other advanced reinforcements (aramid, UHMWPE etc.) more advanced resin systems, such as epoxy, should be used. There are however circumstances where the structural performance of a laminate is less important, and properties such as appearance, UV stability and cost are higher priorities. In these situations, a high quality polyester gelcoat resin can be used with carbon fibre reinforcement (often just a single layer, combined with additional glass reinforcement) to produce attractive, UV stable, carbon fibre finish laminates.

For the best results, we recommend a high quality clear polyester laminating resin and extensive use of a Bristle Roller to significantly reduce air entrapment and improve the cosmetic appearance of the laminate when working with a clear isophthalic gelcoat or npg gelcoat.

Further Information

Compatibility Information - Dos and Don'ts

Although by no means an exhaustive list, the mould materials, pigments and additives listed below have all been tested and are known to work well with Superior Clear Polyester Gelcoat.

Please download the technical datasheet for full details.

  • Compatible Moulds
  • Uni-Mould Mould Making System based Moulds
  • Polyester gel-coat based moulds
  • Polypropylene and polyethylene moulds
  • Compatible Pigments
  • Polyester Colour Pigment (for vivid opaque colours)
  • Translucent Tinting Pigment (for less vivid opaque colours)
  • Compatible Fillers
  • Metal filler powders
  • Pearlescent filler powders
  • 'Glow in the dark' powders

Key Processing Information

  • Ease of Use

    Suitable for professional and hobby use (follow SDS advice).

  • Odour
  • GCX Clear Polyester Spray Gel has a strong solvent odour.
  • Appearance
  • >Translucent liquid.
  • Safety Precautions
  • Wear gloves and goggles and work in a well ventilated area. Always read the SDS before use.
  • Ambient Conditions
  • Can be used from 15 to 30°C although pot-life and cure time will be affected significantly. An ambient temperature of 18-20°C is recommended.
  • Degassing
  • Not needed for most applications.
  • Mix Ratio
  • Mix in MEKP catalyst at a ratio of 1 - 3 % by weight. Use digital scales.
  • Mixing
  • Mix thoroughly by hand for at around 2-3 minutes.
  • Pot-Life
  • 22-28 minutes (2 % MEKP). Be sure to use your resin before this time. Further pot life details are in the TDS.
  • Backing Up Time
  • Typically at 2% MEKP, the gelcoat can be backed up for the next resin layer after a minimum of 2 hours curing time.
  • Pigments and Fillers
  • Pigment using polyester colour pigments or translucent tinting pigments.

Superior quality, UV stable, clear polyester gelcoat suitable for a wide range of gelcoating operations including use as a clear gelcoat for cosmetic appearance carbon fibre and other advanced materials.

Requires MEKP Catalyst, not included.

Typical Uses

It is widely known that for high performance structural applications using carbon fibre or other advanced reinforcements (aramid, UHMWPE etc.) more advanced resin systems, such as epoxy, should be used. There are however circumstances where the structural performance of a laminate is less important, and properties such as appearance, UV stability and cost are higher priorities. In these situations, a high quality polyester gelcoat resin can be used with carbon fibre reinforcement (often just a single layer, combined with additional glass reinforcement) to produce attractive, UV stable, carbon fibre finish laminates.

For the best results, we recommend a high quality clear polyester laminating resin and extensive use of a Bristle Roller to significantly reduce air entrapment and improve the cosmetic appearance of the laminate when working with a clear isophthalic gelcoat or npg gelcoat.

Further Information

Compatibility Information - Dos and Don'ts

Although by no means an exhaustive list, the mould materials, pigments and additives listed below have all been tested and are known to work well with Superior Clear Polyester Gelcoat.

Please download the technical datasheet for full details.

  • Compatible Moulds
  • Uni-Mould Mould Making System based Moulds
  • Polyester gel-coat based moulds
  • Polypropylene and polyethylene moulds
  • Compatible Pigments
  • Polyester Colour Pigment (for vivid opaque colours)
  • Translucent Tinting Pigment (for less vivid opaque colours)
  • Compatible Fillers
  • Metal filler powders
  • Pearlescent filler powders
  • 'Glow in the dark' powders

Key Processing Information

  • Ease of Use

    Suitable for professional and hobby use (follow SDS advice).

  • Odour
  • GCX Clear Polyester Spray Gel has a strong solvent odour.
  • Appearance
  • >Translucent liquid.
  • Safety Precautions
  • Wear gloves and goggles and work in a well ventilated area. Always read the SDS before use.
  • Ambient Conditions
  • Can be used from 15 to 30°C although pot-life and cure time will be affected significantly. An ambient temperature of 18-20°C is recommended.
  • Degassing
  • Not needed for most applications.
  • Mix Ratio
  • Mix in MEKP catalyst at a ratio of 1 - 3 % by weight. Use digital scales.
  • Mixing
  • Mix thoroughly by hand for at around 2-3 minutes.
  • Pot-Life
  • 22-28 minutes (2 % MEKP). Be sure to use your resin before this time. Further pot life details are in the TDS.
  • Backing Up Time
  • Typically at 2% MEKP, the gelcoat can be backed up for the next resin layer after a minimum of 2 hours curing time.
  • Pigments and Fillers
  • Pigment using polyester colour pigments or translucent tinting pigments.

Downloads (3)

This is a chemical product. Before storage or use you must download and read the accompanying safety and technical datasheets.

Dutch Safety DataSheet397 KB
Safety Datasheet (SDS)919 KB
Technical DataSheet (TDS)320 KB

Specification

Product Data
ColourClear
Max Service Temp70°C
Chemistry / MaterialPolyester
Viscosity2200mPa.s
UV ResistanceVery Good
Pot Life and Cure Times
Full Cure Time7Days
Pot Life (Typical)25mins
Initial Cure Time2Hrs
Cured Mechanical Properties
Hardness80 (Hard)Shore D
Tensile Strength65.4MPa
Flexural Strength134.6MPa
Flexural Modulus3.93GPa
Elongation at Break4.01%
Tg Onset (DMA)70°C
General Properties
Gross Weight1.3kg
Can’t find the answer you’re looking for?Ask our technical team a question.

The reason we can’t ship MEKP outside of the UK is because it is highly oxidizing, and standard carrier services do not permit it to be transported.

However you can purchase MEKP from any suppliers of composite materials including fibreglass (GRP) shops, roofing suppliers, boat buildings, car bodyshops etc. There is nothing special about the MEKP we supply, you can ask at your local supplier for ‘Standard reactivity MEKP’; brands such as Andanox KP9, Akperox A30, Butanox M50 (Akzo Nobel) are all suitable and  widely available.

This gel can be used for infusion with polyester or vinylester resins, it is not suitable for use with epoxy infusion resin. For epoxy resin we would recommend the GC50 Epoxy Compatible Gel Coat

ASK YOUR OWN QUESTION

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Note: Your name will be abbreviated and your email address will only be used to email you the answer directly

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Shipping Information

Restrictions

In the currently selected pack size, this product is classed as dangerous goods in limited quantity for the purposes of transport.

Shipping is possible to all UK addresses, including the Channel Islands, without restriction. However, due to being classed as 'dangerous goods', delivery times are not guaranteed on any delivery service.

Shipping to EU countries is now done through our European subsidiary based in the Netherlands. All EU customers should use www.easycomposites.eu.

To check availability of shipping to any other country, add the item to your basket and use the shipping calculator on the basket page.

For a full information regarding the shipment of dangerous goods to all destinations, see our delivery information page.

Package Size

There are no package size restrictions or surcharges for this product.

Delivery Cost

To find the availability and cost for delivery of this item to your address, add it to your basket and then use the instant shipping calculator on the basket page.

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