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Glues and varnishes for parquet / Parquet adhesives /

Express Pu wood adhesive KayaPur 822 - Class D4



Express Pu wood adhesive KayaPur 822 - Class D4 Express Pu wood adhesive KayaPur 822 - Class D4 Express Pu wood adhesive KayaPur 822 - Class D4


product_code:500 гр.

Description:

Express PU Wood Glue is a one-component, fast curing liquid polyurethane adhesive. It possesses high water resistance and bonding strength.
Class: D4

 

PROPERTIES

Fast curing.
Low press time.
Transparent.
Extremely high bond strength on numerous substrates.
Conforms to D4 according to DIN EN 204.
Easy to use.
Very good resistance to chemicals.
Excellent resistance to moisture and weather conditions.
Nonshrinking.
Low odour.
Useable in slightly wet substrates.

TECHNICAL PROPERTIES

 Basis  Polyurethane prepolymer
 Colour  Transparent
 Curing system  Moisture curing
 Density  1.10 g/ml ± 0.05                               (ASTM D1875)
 Viscosity  3000 ± 1000 cp               cps at 20°C (Spindle No 4, 12 rpm)
 Temperature resistance  -30 °C to +100 °C
 Tack-Free time  5-15 min (23 °C and 50% R.H.)           (ASTM C679)
 Consumption  Approx. 150 ml/m2
 Compression time  At least 15 min*
 Water resistant  Excellent                                             (D4-DIN EN204)

SHELF LIFE

9 months in unopened cartridge if stored under dry and cool conditions.

Applications

Fixing and gluing wooden elements to other various porous and non-porous elements as wood, metal, concrete, polystyrene foam and other plastics.
Furniture and boat production.
All bonding applications that need a high water resistance.

INSTRUCTIONS

Do not use at temperatures below +5 °C. The elements to be bonded must be properly clean and free from dust and grease. One of the substrates must be porous to ensure better curing. Moistening the substrates slightly will provide stronger adhesion. Apply the adhesive with a brush as thin film to one or both surfaces and join the parts within 2 minutes. Press the elements together at least for 15-20 min. Uncured adhesive can be cleaned by acetone.

Restrictions

Because this adhesive cures by atmospheric moisture, the shelf life is limited once the bottle is opened. The bottles must be kept tightly closed after use.
Storage above +35 oC and below -10 oC may shorten the shelf-life.
Pressing time depends on ambiance conditions (temperature, humidity etc.) and porosity of the surfaces to be bonded.

SAFETY

Contains Diphenylmethane-4,4'-Diisocyanate. Harmful by inhalation. Irritating to eyes, respiratory system and skin. Do not breathe spray/vapor. Wear suitable protective clothing and gloves. Use only in well-ventilated areas. Keep out of the reach of children.

PACKAGE

500 gr