MAS FLAG Thick Resin

Resin Filleting, Laminating and Gluing Resin F.L.A.G. Resin is a “medium” body resin specifically designed to perform as an adhesive and structural laminating foundation.

From £54.90 inc VAT

Resin Filleting, Laminating and Gluing Resin F.L.A.G. Resin is a “medium” body resin specifically designed to perform as an adhesive and structural laminating foundation. The medium viscosity allows for the incorporation of fillers when fairing putties, gluing slurries and filleting systems are required. F.L.A.G. is more reactive than our Low Viscosity Resin when mixed with Medium Hardener. This keeps fillets and fairing from slumping. F.L.A.G Resin is next day sandable when cured at 60 degrees F. and higher with Medium Hardener. F.L.A.G Resin may be used with all MAS Hardeners, however, for filled applications we recommend Medium Hardener

FLAG resin like all our other resins is a no blush no wax formula so there is no washing down between coats. FLAG must be mixed at two parts resin to one part hardener by volume or weight  (we recommend digital scales brought from the supermarket and covered with cling film for any long project) Mix the hardener and resin well, once mixed additives such as workshop mix or W.S M 10/20 can be added for gluing or fairing (see additives for more information).

Use. Flag can be used with slow, medium or fast hardeners for gluing most substances. It can be used just with its hardener added to go over any cloth work and build depth and thickness and fill in any weave that has been soaked out or to build a barrier coat.

With fillers such as silica micro balloons W.S 10/20 etc it can be used to fair out areas and help bring back the shape to a hull or object when used with Medium hardener it has very good anti slump properties

When gluing adding workshop mix or other additive helps fill voids however on large areas we recommend drilling of small holes which allow the epoxy to push through like worms these set to become epoxy nails and help prevent pockets of air from being trapped in the layers

When adding powders to make putty or slurry remember to always leave a shine on the mix otherwise it may be epoxy starved and crumble and not cure (do not make the mix to dry)

When moulding or filling large voids do so in small layers to avoid over heating


Epoxy.Ltd will deliver any paid for goods in the quickest possible way, usual delivery is 2/3 days however were we are sending goods overseas (this means across any water) this period may be extended up to two weeks or longer at the company’s discretion.

The company has an ongoing belief that good customers expect and deserve a top class service.
In the UK, any problem reported to us on delivery will be dealt with in the following manner:

  • Faulty product, automatic replacement on return of goods to the company.
  • Faulty product reported after 24 hours from delivery, product replaced after testing by the company, provided fault was found
  • Refunds are discretionary to the company and are made if there is a fault with any goods sold
  • Any goods that are wrongly ordered by the customer will be replaced subject to a 20% restocking charge (discretional to the company)
  • Overseas and anywhere the company has to pay a surcharge on delivery (overseas means across any water)
  • The company will only replace faulty goods on a like for like basis and only once the faulty goods are returned to the company
  • Wrongly ordered goods will only be refunded, once they are returned to the company in a good saleable condition, overseas postage is not refundable under any condition (overseas means across any water or were the company has to pay any surcharge on delivery) any remaining refund will be subject to a 30% re stocking fee
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