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PVA Adhesive NUNIVIL 81

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Additional information

APPLICATIONS

It is used for the cold bonding of plastic laminate, solid wood, fillets, plywood and chipboard.

Having a long open time and a good setting speed the product obtain good results also with

bonding of hardwood

 CHARACTERISTICS

FORM:  white liquid

VISCOSITY Brookfield at 23°C g6/20rpm:  22000 - 28000    mPa.s

MINIMUM FILM-FORMING TEMPERATURE: +3°C

OPEN TIME at 20°C and with normal conditions  15 - 20  minutes

FOR BEST RESULTS

WOOD, ROOM AND GLUE TEMPERATURE:   18 - 22 °C

WOOD HUMIDITY CONTENT: 9 - 12  %

RELATIVE HUMIDITY: 65 - 75 %

COATING: 120 - 220 g/m2

SETTING TIME with solid soft wood at  20°C     30 - 40   minutes         

                                                           50°C     40     sec./mm thikness    

                                                           70°C      30    sec./mm thikness

Higher temperature could create problem on the wood.                          

GLUE APPLICATION

By means of glue applicator with rollers, spatula, brush, nozzle also with pressure systems.

WARNING: do not use iron materials.

Clean glue applicators and equipment with hot water

STORAGE

Shelf life: 12 months at 20°C in original closed packages.

To store the product at temperature higher than 30°C may cause an alteration of it.

STORAGE TEMPERATURE NOT BELOW 10°C.

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