Repsol Quimica
E V A Polymers

Repsol-YPF produces a wide range of grades with VA contents between 18% and 33%, in combination with the most appropriate melt flow indices for adhesive manufacture. For more information, please contact Momentum Technologies, inc.
Grade
Vinyl Acetate
Melt Flow Index (g/10 min.)
Ring-Ball Temperature
Observations

PA-410
18
150
100
Good heat resistance. Moderately low viscosity.
PA-411
18
500
89
Very low melt viscosity.
PA-420
20
20
123
Excellent compatibility with waxes, bitumen and fillers.
PA-430
24
3
162
High cohesive strength and toughness. High compatibility with microcrystalline waxes.
PA-440
28
7
142
Good flexibility and cohesive strength. High temperature resistance. High compatibility with paraffin waxes.
PA-441
28
25
120
Excellent compatibility with resins and paraffin waxes.
PA-442
28
150
89
Good flexibility, toughness and adhesion.
PA-443
28
400
85
Low molecular weight. Allows high speed production in the packaging industry.
PA-444
28
50
94
Excellent flexibility. Low melt viscosity.
PA-446
28

800
84
Low molecular weight. Allows high speed production in the packaging industry.
PA-460
33
25
118
Provides a higher specific adhesion than resins containing 28% VA.
PA-461
33
45
112
Relatively low viscosity. Very high specific adhesion.




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