Polyurethane Main Raw Material and bonding Usage Hot Melt Glue for Seamless Briefs

Appearance :

No color semi-transparent film 

solubility:

Insoluble in water

Melt index:

10.5±2g/10min;160℃

Melt point:

78-140℃

Grame weight:

12.0g/m2/0.01mm

Washing resistance:

good

Strip temperature:

<-30℃

Lamination strength:

>2kgf/cm

High temperature resistance:

≤0mm                  (HGT2815-1996 90℃ 182g)

Alkali resistance:

≥2kgf/cm               (10%NaOH solution  24h)

Hydrolysis resistance:

≥2kgf/cm               (70℃,95%RH   24h)

Yellowing resistance:

4 level                   (HGT3689-2011 A method 24h)

Suggestion operation condition: 

Hot Press machine

0.4~0.6Mpa,170~180℃, 25~46s

Bonding machine

0.4~0.6Mpa,160~165℃, speed 2-3

Folding Machine

0.4~0.6Mpa,160~165℃, speed 2-3