Characteristics: Granule colour is light yellow, has slight starch fragrance, easily absorbs moisture and the resulting film is easily decomposed by microbes ; easily coloured; granules come in cylinder or round shape; process temperature is normally lower than conventional; these granules cannot be processed on their own to a final product, but either PE, PP, PVA or EVA has to be added so that the BOR-M502F part constitutes ≤ 60% of the total.
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BOR-M–502F |
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Property |
Test method |
Unit |
Result |
|
Appearance |
Q/320113SSD001 - 2002 |
|
Light Yellow |
|
Density |
GB 1033 |
g/ cm3 |
1.05 – 1.10 |
|
Moisture Content |
Q/320113SSD001 - 2002 |
% |
0.6 – 1.5 |
|
Melt Flow Index |
GB3682 |
g/10 min |
0 - 2 |
|
Tear strength |
GB 1040 |
MPa |
≥15 |
|
Elongation |
GB 1040 |
% |
≥300 |
|
Starch Content |
Q/320113SSSD001 - 2002 |
% |
≥55 |
|
Bio Material Content |
Q/320113SSSD001 - 2002 |
% |
≥70 |
|
n-hexane Extracts |
GB/T5009.58 |
% |
≤4.0 |
|
Rockwell hardness |
GB9342 |
R gauge |
|
|
Softening point |
GB/1633 |
ºC |
>65 |
|
The data for tear strength and elongation refer to the finished film product. |
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