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Laminating Adhesives

Herberts range of laminating adhesives such as film laminating adhesives, industrial laminating adhesives, etc., offered by us is available at the reasonable prices and have a diverse application area. They are available in different forms such as:

Industrial Laminating Adhesives

Herberts-EPS 7280 with Herberts-Hardener KN 75 is a two component solvent-borne crosslmking polyurethane industrial laminating adhesives.

Range of application:
Herberts-EPS 7280 / Hardener KN 75 is an "allround" adhesive system for all "medium performance" applications of film/film and film/aluminium and paper, cardboard or greaseproof paper against films or aluminium In general, the surfaces can be printed, unprinted or metallized

Physical properties	£PS 7280	Hardener KN 75
	OH component	NCO component
sol ids content \|%)	80±2	75±2
solvent	acetone	ethyl acetate
viscosity [mPa s/25C]	4000±1000	2100±900
density (q/cm31	1,15±0,02	1,17±0.02
mixing ratio [parts by weight]	100	16
for met films [parts by weight]	100	16 (in case of good metal to film adhesion) 8 (in case of bad metal to film adhesion)
for Al/parchment [parts by weight]	100	20

Dilution: Dilution may be done with PU grades (<0.1% H20-content) of ethyl acetate, acetone, MEK or a mixture of these solvents. The adhesive system should be processed at a solids content of approx 35%.

solids content lin [%]	EPS 7280 [in kg]	KN75 [in kg]	ethyl acetate [in kg]	viscosity flow cup Ford-4 (27°C)
40	100	16	approx. 114	approx 18-19 sec
35	100	16	approx 147	approx 16-17 sec.
30	100	16	approx. 191	approx. 14-15 sec

Potlife: Approx 24 hours at ambient temperature if diluted (solids content of the mixture approx. 35%) Humidity will negatively influence the potlife.

Application: On all dry laminating machines, with smooth or rotogravure rollers.

Application weight(Refer Noted):

film/film >2 g/m2
paper/cardboard >3,5 g/m2
met.films >2.5 g/m2
parchment >4 g/m2
film/AI >3 g/m2

Drying: Drying conditions must be adjusted to substrate, application weight and line speed in order to avoid the retention of solvents.

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