Stafloor EP Primer®

-Universal application.
-Colourless.
-Low odour.
-Good penetrating properties.
-Good adhesion to the substrate.
-Seals pores and prevents dust formation.

Intended for use as a primer coating on concrete and cement screeds, as a matrix resin for epoxy screeds, for repairs and levelling mortars, and for forming skirtings, plinths and channels. It is used in floor coating systems, for example in production, exhibition and retail premises, warehouses, paper mills, food-industry enterprises and nuclear power plants under operating conditions with heavy pedestrian, stacker and vehicle traffic.

Purpose	Primer for concrete and cement screeds; matrix resin for epoxy screeds, repair and levelling mortars, coves, skirtings and channels
Type	Two-component solvent-free epoxy binder
Colour	Colourless
Packaging	Kit 22.5 kg: component A — 15.0 kg, component B — 7.5 kg
Mixing ratio	A : B = 2 : 1 by weight
Density of the mix	approx. 1.1 kg/l (DIN 53217)
Compressive strength (screed)	95 N/mm² (EN 196-1, 7 days at +23 °C)
Heat resistance	Primer coat — continuous up to +50 °C. Epoxy coating — continuous up to +80 °C, short-term up to +120 °C dry and up to +100 °C wet
Consumption as primer	0.25–0.40 kg/m² depending on the substrate
Quartz sand broadcast	0.80–1.00 kg/m², grain size 0.1–0.7 mm
Pot life	25 minutes at +20 °C
Foot traffic	after 16 hours at +20 °C
Next coat	after 16 hours at +20 °C
Full cure	7 days
Application temperature	from +10 °C to +30 °C (substrate and air)
Relative humidity	max. 80 %
Dew point	substrate temperature at least 3 °C above the dew point
Substrate requirements	compressive strength min. 25 N/mm², pull-off min. 1.5 N/mm², moisture max. 4 % by the CM method
Tool cleaning	P-4 thinner; cured material can be removed mechanically only
Shelf life	12 months in unopened packaging at +3…+30 °C
VOC content	below 750 g/l (2004/42/EC, category IIA/h, type Lb)