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SafetyCrete Dairy Shed Repair Mortar

Epoxy laminating resin SURF

4.153 GEMREZ LR - S
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Epoxy laminating resin SURF

GEMREZ LR 2:1 is a sealer & laminating resin for fibreglass, timber, concrete, and other materials It is particularly suited to manufacture of surfboards due to its outstanding clarity and UV resistance. In addition to laminating it can be used as an adhesive, and a clear finish coat. When filled with Qcels, microballoons, or similar it can be used as a sandable filling coat. It has excellent impact resistance and flexibility. GEMREZ LR 2:1 has low odour and pleasant handling characteristics. It can be tinted with the correct tinters & dyes - contact GemCo Ltd. GEMREZ LR 2:1 is suitable for use in the construction, timber, electrical, & marine industries.

Download 4.153 GEMREZ LR - S Product Sheet

Physical properties

  • Appearance: Base - low viscosity clear liquid Hardener - low viscosity clear liquid
  • Odour: low odour
  • Coating Type: Epoxy
  • Packaging: 3, 30 litre ,two part pack (also available in 200L drums)
  • Mix ratio: 2:1(base : hardener)
  • Pot Life: Approximately 15 min @ 20 ┬░Celsius (150g mix)
  • Coverage: 5-10 sq metres/litre typical @ 200 microns
  • Dry to Recoat: Typically 4-8 hours - will vary according to temperature & humidity

Surface Preparation

  • All contaminants must be removed from surfaces to be laminated.
  • A test patch is recommended if the product has not been used before.
  • Sanding between coats is recommended

Method of Application

  • Surfboards typically require 1.5 - 3 litres of resin depending on size
  • For best results store , apply, & cure resin at temperature of 25 ┬░ C.
  • Add 1 part hardener to 2 parts base (by volume) and thoroughly hand mix .
  • Hand mix small quantities with a stick taking care to scrape sides & bottom of container then allow to sit for a few minutes for air to come out - watch pot life.
  • In cooler weather pre-heat containers in hot water or similar.
  • Apply by brush, roller, or squeegee when laminating.
  • Mixing small quantities is recommended in hot climates.
  • Apply by brush, roller, or squeegee when laminating.
  • Re-coat within 24 hours - sanding between coats is recommended.
  • When filled with Qcels, microballoons , or similar GEMREZ LR 2:1 can be used as a sandable filling coat.
  • Fumed silica e.g. Aerosil 200 can be used to thicken GEMREZ LR 2:1 for use as an adhesive.
  • Cutting & Polishing - wet sand with 600 then 1200 grit paper until a uniformly flat finish is achieved. Buff using a 3M sheepskin buffing pad & 3M Perfect-It III 5936 cutting compound (or equivalent) until level of gloss required is achieved. A coat of 3M Perfect-It III polish (or equivalent) can be applied to give a very high gloss finish.

Handling Precautions

  • Avoid contact with eyes and skin.
  • Do not ingest.
  • Use with adequate ventilation.
  • Protective clothing ,eye protection, and gloves should be worn.
  • Do not breathe vapor or spray.
  • Keep away from children.

The information provided is accurate to the best of our knowledge. We can not however anticipate all conditions under which this information and our products may be used. We therefore accept no responsibility for results obtained by the application of our products, or  for their safe use  and suitability. GemCo Limited sells these products without warranty and buyers  and users assume  all  responsibility and liability for loss or damage arising from the handling  and use of our products.

1.5 Litre Kit