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RD-Hydrograff HP

RD-Hydrograff HP

Brand: RD Coatings

Regular price From £25.48
(£30.58 Inc VAT)
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RD-Hydrograff HP can provide very high levels of anti-corrosion protection surpassing traditional three coat systems when combined with RD-Monoguard.

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  • Application Guide
  • Additional information
  • Datasheet


RD-Hydrograff HP is the solution to protect surfaces that are subject to severe strains. Whether it is a floor, industrial equipment, furniture, etc. RD-Hydrograff HP has unmatched performance. For indoors or outdoors, this varnish can be applied directly on most kinds of paint and sometimes directly to the surface.


Highly resistant varnish specially formulated for the long-term protection of surfaces against wear, abrasion, chemical spills, and weathering.


RD-Hydrograff HP Clear is a two-component aliphatic polyurethane topcoat for indoor and outdoor use. After drying, the coating creates a hard flexible and wear resistant film that can be used for decorative and protective purposes. It is appropriate for application on concrete and wooden floors or objects, walls, steel and non-ferrous metals with a primer, etc. It provides very good resistance against humidity and very good outdoor durability.

RD-Hydrograff HP Clear is water-based, easy to handle and has no fire risks.

RD-Hydrograff HP Clear is formulated with high quality raw materials and provides a very good chemical resistance, a very good resistance against abrasion and solvents, a very high hardness (Taber abrasion: weight loss after 1000 cycles /CS 10 = 0.060 g); while keeping? flexibility in its film that will avoid future cracks.

RD-Hydrograff HP Clear can provide very high levels of anti-corrosion protection surpassing traditional three coat systems when combined with RD-Monoguard.

It is also used as transparent anti-corrosion system when combined with RD-Monoguard Clear.

RD-Hydrograff Clear High Gloss can be used as an anti-graffiti protection on top of various kind of surfaces.


Various surfaces like plastics, concrete, cement, wood, metal, when primed accordingly.


Ambient temperature: minimum 5C (41F) Optimal between 12 and 25C (54 and 77F).
Relative humidity: maximum 80 %
Dew point > 3C (5?F)
Screeds may not contain more than 4% of humidity.


Brush and roller.
Compressed air: nozzle opening 1,4 mm 4 to 6 bars of pressure (60 to 90 psi)
Airless: nozzle opening 007 to 009 Pressure +/- 70 bars (+/- 1000 psi)


Preparation will depend on the kind of substrate. In general, the surface must be cleaned and degreased prior to applying RD-Hydrograff HP Clear.


Just before the application, add slowly component B into component A by mixing mechanically.

After mixing, let it rest during 5 to 10 minutes so that the air bubbles disappear. The mixture must be used within 2 hours.

Weight 170 g of component B for 850 g of component A

Volume.5,5 : 1


2 hours at 20C


Dilute the first coat by maximum 10% with water when applied as primer on a porous substrate.

DRYING TIME (20C – 68F):

Touch dry: 6 hours
Re-coat-able: min. 8 hours and maximum 72h without sanding
Resistance to moderate use: 3 days
Resistance to intensive use: 7 days




Mix well before use.

Application Guide

Additional information



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