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Home > Production > By product groups > Additives and resins for paintwork materials > Film formers > Urea-melamine-cyclohexanone-formaldehyde resins > К-421-02, К-421-02КB butoxylated melamine-formaldehyde resins

Butoxylated  melamine-formaldehyde resins K-421-02, K-421-02KB

(TU U 24.1-13395997-007:2005)

 

   Butoxylated  melamine-formaldehyde resins K-421-02, K-421-02KB are condensation product of melamine, formaldehyde, and butanol in solvent medium.  The resins are used as an intermediate product in production of filling pastes and ML enamels, electro insulating varnishes.

 

Specifications

 

  Properties and UOMStandard
 К-421-02K-421-02KB
Appearance

Clear syrupy liquid. Slight opalescence is acceptable.

Purity

 Resin pouring on glass should be pure

Iodometric scale color,  mg J2/100 cm3 ,  max

0,5

Relative viscosity by VZ-246 type viscosimeter  (nozzle dia 4 mm) at (20,0±0,5)°С, s, in the range of

40-55

50-65

Non-volatiles, wt.%, in the range of

48-52

50-54

Resin compatibility with xylene at the ratio 1:1 (by volume)

Complete

Resin compatibility with FX-42 “V” glyptal at the ratio 1:2,5

Complete

Hydrocarbon compatibility for synthetic automotive enamels, cm3/g, in the range of

7,0-15,0

6,5-10,0

Drying time with FX-42 “V” glyptal at (100-110) °С to degree 3, minutes, max

45

55

Free formaldehyde, wt.%, max

3,0

Acid number, mg KOH/g, max

2,0


Safety measures:


   Store in tightly closed packaging with PE lining.


    Avoid moisture and direct sunshine.


    Protection means and first aid as generally accepted in paint-and-varnish industry.


Packing


       40 kg, 150 kg, by tank truck.
 
 
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