Products Description
7A50H, 7A60H, 7B50H, 7B60H, 7760H are hot melt adhesive grade ethylene/acetic acid Vinyl ester copolymer (EVA). This product is manufactured by high pressure process. By introducing vinyl acetate (VA) into the ethylene molecular bond copolymerization reaction into EVA.
7A50H, 7A60H, 7B50H, 7B60H, 7760H are mainly used in hot melt adhesive products, Such as bookbinding glue, automatic packaging glue, DIY glue, plywood glue and hot-melt glue lining, etc. It has the characteristics of good adhesion, processing fluidity, softness and transparency.
Basic Nature
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|
|
|
7760H |
7A50H |
7A60H |
7B50H |
7B60H |
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Basic physical properties |
Unit |
Test method |
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|
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|
|
melt index MI2.16 |
g/10min |
ASTM D1238 |
25 |
150 |
150 |
400 |
400 |
|
density |
g/cm3 |
ASTM D1505 |
0.945 |
0.934 |
0.938 |
0.933 |
0.942 |
|
VA content |
% |
FPC method |
28 |
19 |
28 |
19 |
28 |
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|
|
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|
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thermal properties |
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|
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|
|
|
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melting point |
℃ |
DSC |
70 |
82 |
71 |
76 |
68 |
|
crystal point |
℃ |
DSC |
51 |
62 |
50 |
55 |
55 |
|
Softening point (Vickers method) |
℃ |
ASTM D638 |
82 |
70 |
40 |
40 |
20 |
|
Elongation at break |
% |
ASTM D638 |
800 |
700 |
800 |
660 |
800 |
|
hardness |
Shord D |
ASTM D2240 |
20 |
23 |
16 |
22 |
19 |
Note: The above physical properties are average values and are only provided as a reference for material selection
Packaging
25kg PE lined paper bag
Operation Disposition
Store in a well-ventilated storage temperature below 40°C, without direct sunlight 3 years
p; packaging
25kg PE lined paper bag
Operation Disposition
Store in a well-ventilated storage temperature below 40°C, without direct sunlight 3 years
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