Acron Paints

Acrapoxy 2 pack Epoxy

Product Function

A general purpose high performance, high build two pack epoxy finishing paint system. Acrapoxy gives excellent mechanical properties such as hardness, toughness and chemical resistance combined with good resistance to a wide range of chemicals, including dilute acids/alcohol's and mild solvents. Acrapoxy is used for general finishing for interior work on ferrous and non-ferrous metals, wood, concrete, fibreglass, asbestos and various plastics.
Acrapoxy clear is used extensively as a high performance clear coat for contract furniture and flooring applications. Acrapoxy combines a good wet edge time with rapid thorough drying and consistency, curing is good, even at very low ambient temperatures.
Compared with Vapourguard 2 pack epoxy finishes, Acrapoxy coatings possess superior gloss retention and weather resistance and would be preferred for applications in which outdoor durability is more important than chemical resistance. Where it is essential to have the maximum durability and gloss retention possible, combined with chemical resistance and anti-yellowing properties.

Application, Preparation, Pre-Treatment and Primers

Thorough surface treatment is very important for the best performance of Acrapoxy top coat and meticulous attention is required in this respect. Standard original finishing procedure is as follows:

Ferrous Metals

  1. Blasting, followed by thorough cleansing and degreasing. For light ferrous metals, clean and degrease only.
  2. Etch Prime recommended.

Non-Ferrous Metals

  1. Fully clean and degrease.
  2. Apply 2 pack etch primer.
  3. Proceed as for ferrous metals.

Concrete/Asbestos

  1. Rough surface.
  2. Prime with concrete and general purpose sealer.
  3. Overcoat with Epoxyprime within 24 hours (recommended).
  4. Apply finishing coats within 24 hours.

Wood

  1. Prime with concrete and general purpose sealer - overcoat within 24 hours.
  2. Epoxyprime recommended.
  3. Apply finishing coat within 24 hours.

Special Properties

High build, high performance, economical general purpose. Acrapoxy finishes are suitable for application by brush or spray. For brushing, the lacquer should be used as supplied, without the addition of thinners. Spray application requires the addition of Speed Thinners, after thorough mixing of the two components. Thinning should be carefully done and the consistency should be checked. This should be 25 to 35 seconds on No. 4 BS Flow Cup. Too low a viscosity gives film build and lack of opacity.

Drying Times

Drying times that may be expected with Acrapoxy are 30 to 45 minutes to the touch dry stage and about 6 to 8 hours to become tack free. Full cure ,ultimate hardness and resistance is reached in 5 to 7 days.
Overcoating should be when film is tack free, but in any event, not longer than a 24 hour interval. If a long drying interval between coats is unavoidable, it becomes necessary to flat down the prior coat with fine paper to assist with inter-coat adhesion. Acrapoxy rapid hardener may be used in place of the ordinary hardener to cut the initial setting off time, but the later hardening and full cure is the same as with the ordinary hardener.
Since Acrapoxy compositions cure by chemical reaction, the cured polyurethane becomes solvent resistant and difficult to remove. Hence it is necessary to clean all spray and mixing equipment directly after use. Universal Thinners are suitable for this purpose. Finally moisture in polyurethane is to be avoided at all costs. So when using Acrapoxy, all equipment must be carefully dried and brushes, spray guns and air lines must be free from traces of water and oil.

Properties

Mixing Ratio5 parts base with 1 part hardener.
CoverageApproximately 10 m² per litre at 50 microns.
Typical Drying TimesTouch Dry : 30 minutes, Firm dry : 2 hours, Hard Dry : 8 hours, Full Cure : 3 to 5 days.
OvercoatingPossible with itself at all stages of use.
Colour RetentionGood - some slight yellowing on white and pastel colours.
ThinnersUniversal (Fast and slow).
Temperature Resistance150°C (up to 250°C for short periods). Discolouration may occur.
Dry and Wet Film Thickness120 microns wet gives 50 - 60 microns D.F.T.
ColourAll BS 4800 and RAL colours and clear lacquer.
Free IsocyanatesLess than 0.2% in mixed paint.
Pot Life8 hours at 20°C.
ToxicityAvailable in a range of non-toxic (lead free) colours.
Cleaning and RemovalMust be removed before cured - use Universal thinners.
Flash PointBase 22 to 32°C. Hardener 22 to 32°C (SH) 5°C (Rapid).
ViscosityApproximately 3 poise (when mixed).
PackagingAvailable in component form 3 and 6 litre packs.
Storage12 months in original sealed containers.
SolidsApproximately 55 to 60% when mixed dependent upon colour.
Product Reference No :ACRPXY Issue Date August 2002

Hard, Tough and Chemical Resistant

Acron Paints
Unit 6, William Street, Northam, Southampton, Hampshire, SO14 5QH
Tel: 023 80223266sales@acronpaints.co.ukFax: 08700 527 587

The claims made in this document are made in good faith and are based on exhaustive tests carried out over a long period.
Acron Paints, their agents and their distributors cannot accept any liability for the behaviour of their materials in individual cases.

A printer friendly copy is available here A Health and Safety Reference Datasheet is available here