Decorative Solutions

DEMCO ACR 525 UV/S

UV-Resistant Acrylic Topcoat Varnish

Technical Data Sheet EN
DEMCO ACR 525 UV/S packaging

Key technical facts

Coverage
Between 0,150 – 0,200 kg/m², depending on the absorbency of the stone.
Drying Time (23°C) – Touch Dry (min)
20 – 30
Drying Time (23°C) – Full Cure (Weeks)
1
Mixed Density (g/cm³, 20°C)
1,00 ± 0,10
Packaging
Supplied in 15 kg packs.

Last updated:

This page has been translated from the product's original information. Please refer to the technical data sheet for binding technical values.

Description

A solvent-based, single-component, UV-resistant acrylic varnish topcoat. It penetrates deep into surfaces and provides gloss and protection on stone surfaces. It does not impair the aesthetic appearance of the surface and preserves its natural beauty. It is unaffected by water, seawater, atmospheric corrosion, acids and alkalis. It has sealing properties. It does not conduct electricity.

Advantages

  • For protecting stone surfaces and giving them gloss in stone wall claddings,
  • For excellent protection of joint fillings against moisture and water,
  • In the conservation and restoration of historic monuments,
  • Against abrasion and dusting,
  • On curbs, stone stairs and railings,
  • In fireplaces and barbecues,
  • Used on exterior facades and garden walls to prevent pest nesting, and in stone carving to provide protection and gloss.

Technical Properties

Number of Components1
Mixed Density (g/cm³, 20°C) (TS EN ISO 2811-1)1,00 ± 0,10
Mixed Viscosity (mPas, 25°C) (EN ISO 3219)200 – 400
ThinnerMust not be diluted with thinner.
Drying Time (23°C) (TS 4317)
Touch Dry (min)20 – 30
Recoat Time (Hours)2 – 3
Full Cure (Weeks)1

Surface Preparation and Application

  • Before the coating is applied, the surface must be free of oil, grease, dust and similar contaminants.
  • The surface to be coated must be free of moisture.
  • Can be applied to the cleaned surface by brush or roller.
  • If more than one coat is to be applied, the 2nd and 3rd coats should be applied after a drying time of 30 to 40 minutes.

Application Conditions

  • Working area temperature must be 15°C – 30°C.
  • The ideal substrate temperature is 15°C – 30°C. The temperature must never be below 10°C.
  • For indoor and outdoor applications, substrate temperature, ambient temperature and ambient humidity must be taken into account.
  • The relative moisture of the substrate must be below 4% and the ambient humidity below 80%.

Coverage

Between 0,150 – 0,200 kg/m², depending on the absorbency of the stone.

Storage and Shelf Life

At 15 – 25°C, in dry, enclosed storage areas away from direct sunlight, in the unopened original packaging; 1 year.

Packaging

Supplied in 15 kg packs.

Safety Precautions

Avoid contact of the product with skin and eyes; in case of contact, rinse with plenty of water and seek medical advice. Wear protective gloves, clothing and goggles, and keep the product out of the reach of children. Flammable; keep away from open flames.

Approvals / Standards

Tested to EN 1504-2 within the scope of CE certification.

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