Back to Resins

 

 

 

 

 

4.153 GEMREZ LR 2:1

LAMINATING RESIN

 

 

  • Composition and Properties

  • 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 - contact GemCo Ltd.

  • GEMREZ LR 2:1 is used in the construction, timber, electrical, & marine industries.

  • 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 30min @ 20 °Celsius (150g mix)

  • Coverage: 5-10 sq metres/litre typical @ 200 microns

  • Dry to Recoat: Typically overnight - 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

  • 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.

  • When coating a floor mix resin by hand then pour on to floor and apply by squeegee. Then very lightly smooth off with foam roller. Minimise the amount of rolling as it entrains air.

  • Recoat within 24 hours – sanding between coats is recommended after 24 hours.

  • Allow to cure in a dust free environment – in cooler weather heat room to keep at 25 C.

  • When filled with Qcels , microballoons or similar it can be used as a sandable filling coat.

  • Fumed silica or similar can be used to thicken GEMCOAT LR 2:1 for use as an adhesive.

  • Cutting & Polishing - wet sand with 600 then 1200 grit paper until a uniformly flat surface is achieved. Buff with 3M 5958 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.

 

 

 

 

 

 

 

1/3/98

 

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.

 

 

63 Hewletts Rd, Mt Maunganui. P.O. Box 4274, Mt Maunganui South, New Zealand.

Phone +64 7 572 2411 Fax +64 7 572 2415 E-Mail info@gemco.net.nz

 Website: www.gemco.net.nz