Ampro Epoxy Resin – Multi Purpose System (Clear)

50.00140.00 ex. VAT

AMPRO™ is a simple to use, all-purpose epoxy ideal for coating applications which can also be used for gluing, laminating and filling. With its fast, low temperature curing hardener and easy 3:1 mix ratio by volume, AMPRO™ provides a quick and convenient way of using one epoxy system for a very wide range of tasks.

  • SP 320 re-engineered
  • 3 : 1 mix ratio by volume
  • No surface residue, even at +5°C
  • Ideal for clear coating applications
  • Available with Fast (F), Slow (SL)
  • Can also be used for bonding, laminating & filling wood & GRP

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Ampro Resin (20°C) Slow Hardener (20°C) Fast Hardener (20°C)
Mix Ratio By Volume 3 : 1 3 : 1
Pot Life (150g) 1 hr 15 mins 30 mins
Thin Film Gel Time 2 hrs 15 mins 1 hr 33 mins
Tack Off Time 4 hrs 2 hrs 50 mins
Coating / Sand Time 16 hrs 12 hrs
Colour – Mixed Clear Clear
Density – Mixed (g/cm3) 1.12 1.13
Viscosity – Mixed 800 cP 1000 cP

Instructions

The product is optimised for use at temperatures between 15 and 25°C. At lower temperatures the product thickens and may become unworkable. At higher temperatures working times will be significantly reduced. Maximum relative humidity for use is 70%.
MIXING AND HANDLING
Accurate measurement and thorough mixing are essential when using this system, and any deviation from the prescribed mix ratios will seriously degrade the physical properties of the cured system. The resin and hardener must be stirred well for two minutes or more, with particular attention being paid to the sides and bottom of the container. As soon as the material is mixed the reaction begins. This reaction produces heat (exothermic), which will in turn accelerate the reaction. If this mixed material is left in a confined mixing vessel the heat cannot disperse and the reaction will become uncontrollable.
COATING
If exposed to sunlight the product should be painted or coated with a varnish which includes UV filter or blockers.
Prior to this, two coats of AMPRO™ will achieve a stable substrate. AMPRO™ has a number of benefits, including:
• Subsequent coats of AMPRO™ can be applied after just 5 hours at 20°C without sanding
• AMPRO™ is solvent-free and will be fully hardened overnight ready for over-coating or top-coating
The surface to be coated should be dry and clean, before sanding with 180 – 220 grit sandpaper to generate a key, the surface should then be wiped with solvent to remove the dust before the application of the AMPRO™.
For best results, an initial thin coat of AMPRO™ should be applied to the substrate, using a rubber squeegee or brush to remove any excess. If the first coat of AMPRO™ is too thick, this can cause ‘fisheyes’ to form in the surface. Once the first coat has cured, subsequent coats of AMPRO™ can be applied. Due to the 4 day overcoating window of AMPRO™ (@ 20 degree C 50% RH), the surface does not require sanding between coats to ensure adhesion. If left for more than 4 days, the surface should be sanded with 120 grit sandpaper followed by a solvent wipe down to remove the dust before applying additional coats.

Note: In order to achieve the optimum surface finish, multiple thin layers of AMPRO™ should be applied.
AMPRO™ should be sanded before the application of the final paint system or varnish, please refer to the paint or varnish manufacturer’s recommendations regarding sandpaper and solvent type to be used for this operation

Product Documents

Product Documents