Biofa Hard Clear Primer 3754

Grouped product items
Product name Qty
Biofa Hard Clear Primer 3754 1L
€35.22 (-10%) €31.70
Biofa Hard Clear Primer 3754 2.5l
€77.95 (-10%) €70.16
Biofa Hard Clear Primer 3754 10l
€281.97 (-10%) €253.77
Biofa Hard Clear Primer 3754 is available to buy in increments of 1

Universal primer for interior wood substrates, microporous and water-repellent, penetrates deep into substrates.
Satin finish.
Revitalizes substrates.
For treating absorbent surfaces indoors, primarily wood and cork floors, but also staircases, furniture exteriors and interior fittings, as well as terracotta floors.
Equalizes porosity.

Instructions for use

  1. Substrate preparation he substrate must be dry (wood with less than 12% humidity), clean, free of dust and grease, and prepared according to the rules of the trade.
    If necessary, clean with BIOFA 0500 thinner.
    Remove old paint.
    Degrease woods with a high tannin content (tropical woods, oak, etc.) with alcohol and allow to dry for at least 24 hours.
    Sand furniture with 240-grit sandpaper and floors with 120-grit sandpaper.
    Substrate temperature must be at least 16°C.
    For terracotta tiles, please refer to the Stone Oil BIOFA 2100 technical data sheet.
    terra cotta tiles.
    Underfloor heating: heat for 3 days, switch off 24 hours before treatment, restart 72 hours after last treatment (increase 5°C per day, max. temperature 30°C).
  2. Application:Stir well before use.
    Apply a thin, even coat using a brush or, preferably, a lint-free cloth.
    After 30-60 minutes, spread or blot up any excess oil that has not penetrated.
    After 60 minutes, buff with a green or beige pad or sand with 120/150 grit when completely dry.
    Caution: excess oil creates a sticky, shiny surface that does not dry thoroughly. Test beforehand.
    Never pour the product onto a surface, as the edges of any stains can no longer be removed by sanding.
    Standing wood absorbs more oil and darkens more; apply very thin coats.
    Depending on the cut of light woods (maple, ash...), there are places where the oil darkens the wood more.
    Sponge off any oil that has not penetrated terracotta tiles.
    Important: during application and drying, make sure that the room is well ventilated.
    Do not treat the inside of furniture, drawers, etc., a persistent odour may be emitted.
    Spray application:
    1.5 to 1.7 mm nozzle, 2.50 to 3.0 bar pressure.
    Airless: 0.23 to 0.28 mm, 4 bar pressure.
    Adjustment according to available equipment.
  3. Finishing:floors should be treated with BIOFA 2044 Universal Hard Oil or BIOFA 2050/2051 Varnish or BIOFA 2060/2061 Hard Wax.
    Furniture should be treated with the same products or covering lacquers.
    Mineral floors should be finished with Stone Oil BIOFA 2100.
    Test first.
  4. Cleaning equipment: dBIOFA 0500 thinner immediately after use.
    The thinner can be reused after a few days.

Drying

Sand and recoat after 8-16 hours (20°C / 50-55% humidity).
After this time, surfaces can be finished.
After oiling, lacquering or waxing, use floors gently.
Intensive application after 7 to 10 days.
For cork surfaces, a longer drying time is required.
Low temperatures, excessive air or substrate humidity, exotic wood species and cork may extend drying time.

Packaging

  • 750ml (10-15m²): €20.95
  • 2.5L (35-50m²) : 61.90€ (€)
  • 10L (80-120m²): €223.80

Composition

Aliphatic hydrocarbons, castor oil, linseed oil, soybean oil, rosin resin ester, cobalt, zirconium and manganese hexanoate driers, antioxidant.

Consumption

Dependent on substrate absorption.
Consumption 50 to 70 ml/m² Yield 15 to 20 m²/litre.

Storage

Store in a cool, dry place.
Unopened containers may form a skin.
Close containers tightly.
Transfer leftovers to smaller containers.

Safety advice

Allow soaked rags to dry on non-flammable surfaces, or soak in water before drying (risk of self-ignition).
When dry, they are easier to recycle.
Natural products should also be kept out of reach of children.
Contains cobaltbis-2-ethyl hexanoate, may cause allergic reactions.
Do not inhale aerosols.
Use only in well-ventilated areas.
Aerosol or heated product may create explosive vapours.
When applying, observe safety rules for skin protection.
Wear a fine dust mask when sanding.
The use of natural raw materials may give off a characteristic odour.

Recycling

Do not dispose of residues down the drain.
Liquid product should be disposed of in paint bins or in accordance with local regulations. Small quantities and dry rags can be disposed of in household waste.
Empty, dry packaging should be disposed of at a waste disposal center.
Uncleaned packaging should be treated in the same way as the product.


Liquid waste - EAK 080111


VOC EU-max. (cat. A/h) 750 g/L (2010)
BIOFA 3754 contains max. 540 g/L