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TU 2221-337-05800142-2012

Description:

The resin is a condensation product of phenol with formaldehyde in the presence of a volatile organic catalyst.

Application:

It is used for the preparation of binders in the production of mineral wool based on mineral wool.

Specifications:

Indicator

Norm

Appearance

Transparent liquid from yellow to dark cherry color without mechanical impurities.

Mass fraction of nonvolatile substances at a temperature of 135 ° C,%, not less than

51

Mass fraction of free formaldehyde,%, no more

11.0

Mass fraction of free phenol,%, no more

0.7

Solubility in distilled water at 20 ° С, g / g, not less than

1:20

The activity indicator of hydrogen ions, units pH

8.7-9.4

Gelatinization time, s

at a temperature of (130 ± 2) о С

at a temperature of (150 ± 2) о С

 

420-480

180-240

Density, g / cm 3

1,160-1,180

Dynamic viscosity, mPas, no more

60

Storage stability, days

(before solubility drop 1: 8)

21

Benefits:

- good strength and performance characteristics of products obtained using this brand of resin;

- low free phenol content;

- long shelf life before use;

- low emission of volatile organic substances (VOC) from finished products allows you to meet the requirements of EU directives.

Recommended formulations of resin-based binders “Fenotam GR-2319K1”

Before applying the resin "Fenotam GR-2319K1" it is necessary to carry out the reaction of neutralizing the excess of free formaldehyde to a content of 0.5% mass and lower using a warm solution of urea.

After neutralization, the resin is diluted with industrial water to the required concentration on the "dry residue".

For centrifuges with a closed cooling system (belt drive of rolls), dilution from 6 to 12% of the “dry residue” is usually used, for centrifuges with an evaporative cooling system from 10 to 18% for various brands of products, depending on the density.

After diluting the resin in the resulting solution are introduced:

- oil emulsion (dust collector);

- hydrophobizing emulsion;

- aminosilane (adhesion promoter).

Emulsions are recommended to be diluted with water beforehand to facilitate pumping and speed up mixing with a binder solution. After the introduction of emulsions, the solution should be continuously mixed. The aminosilane used is introduced at the very end of the preparation of the binder solution.

Before feeding the binder solution to the line, it is recommended to filter through a 50-100 micron mesh to prevent foreign particles and rust from entering the nozzle heads and clogging them.

The finished binder solution should be developed on the line in a period not exceeding 8-12 hours, depending on its concentration.

Our recommendations are based on long-term experience with the use of resins of the Fenotam GR series in consumers and research data. The process of using the resin to prepare the binder solution is recommended and may differ in the details of the conduct and the components used, depending on the requirements for the properties of the finished product for a particular consumer.

Packing and storage:

Phenol-formaldehyde resins are transported in stainless steel tank trucks.

The optimum temperature for the transportation and storage of resin “Fenotam GR-2319K1” is about + 17ºС. A temperature above +25 ºС significantly reduces the shelf life of the resin, and at a temperature below +5 ºС the viscosity of the product increases significantly, which makes it difficult to pump it and other technological operations.

Prior to use, the resin must be stored in storage tanks equipped with mixing devices.

Shelf life - 21 days at a temperature of +15 ºС to +20 ºС.