RESIN Hraniresin 47 - Urea-formaldehyde resin

RESIN Hraniresin 47 - Urea-formaldehyde resin
Urea-formaldehyde based resin with special flours added. It is used in the wood industry for hotsetting bonding. It is characterized by high tenacity and good pot life.

USAGE:

Bonding:

  • plywood
  • cored panels
  • paper
  • veneers

CHARACTERISTICS:

Hraniresin 47 is a white or walnut coloured. The best usage is in wood industry. However, woods like birch, rosewood, teak, fir-wood and briars in general may sometimes require a special formulation.

Specific gravity approx. 0.5 g/cm3
Viscosity Brookfield at 20° C s3/5 rpm (solution 2:1 in water) 2,000–7,000 mPas
The product must be diluted in water at approx. 65% of solid content as in the following formulation:
Hraniresin 47
Cold water (15–20 °C)
10
5
kg
kg
Pot lives at:
15 °C
20 °C
30 °C
 
7
4
2
 
h
h
h
Hardening times at:
60 °C
80 °C
100 °C
 
8
100
50
 
min
s
s
When applying the product, hardening time must be increased by one minute for each millimetre of wood thickness.

PACKAGING AND STORAGE: 

Store in original and closed package at temperature 10–30 °C. The shelf life is 6 months. This product is hygroscopic and must be preserved from contact with humidity. Contact with humidity may lead to formation of blocks and the glue may become unusable.

APPLICATION:

Apply using an applicator with rollers, spatula or brush. Glue quantity must be spread according to the type of the materials involved (generally between 100 and 200 g/m2). The press operating pressure depends on the materials used, ranging from 0,8 to 2 kg /cm2.

The gluing mixture should preferably be prepared in non-metallic vessels, or in stainless steel recipient.

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Packaging
RESIN Hraniresin 47 - Urea-formaldehyde resin 25 kg
25 kg