After transparent modification, PP can not only inherit its advantages of light weight, low price, sanitation, high temperature resistance, and easy processing and molding, but also significantly improve its transparency and surface gloss, improve the environmental adaptability of transparent PP products, and expand Its transparency and surface gloss are comparable to some other transparent resins (such as PC, PS), and its performance-price ratio is better than PC, PS, etc.
Performance of highly transparent PP:
The haze of high transparent polypropylene can be reduced from 56% to 10% of ordinary polypropylene, the light transmittance can be as high as 94%, and its glossiness can be increased from 99.6% to 129.2%, while its crystallization temperature, Vicat softening point, notch The impact strength and other properties are also slightly improved compared with ordinary polypropylene.
Application of high transparent PP:
Compared with traditional transparent materials such as PC, PET, PS, PVC, etc., transparent PP materials have many excellent properties in terms of transparency, gloss, hot filling capacity, density, flexibility, rigidity, and chemical resistance. At present, the application of transparent PP materials has been very extensive, and can be used for injection, blow molding, blowing, cast film, extrusion, thermoforming products, etc., and is widely used in food containers, packaging, medical films, daily necessities, industrial supplies, etc. aspect.
performance item |
Test Conditions |
Test Methods |
value/ description |
unit |
|
Mechanical behavior |
Tensile strength (tensile strength) |
|
ASTM D638/ISO 527 |
380 |
kg/cm²(MPa)[Lb/in2] |
elongation at break |
|
ASTM D638/ISO 527 |
400 |
% |
|
Flexural modulus (flexural modulus) |
|
ASTM D790/ISO 178 |
1700 |
kg/cm²(MPa)[Lb/in2] |
|
Physical properties |
specific gravity (density) |
|
ASTM D792/ISO 1183 |
0.9 |
|
Molding shrinkage |
|
ASTM D955 |
1.3-1.7 |
% |
|
Melt Index |
200℃/5kg |
ASTM D1238/ISO 1133 |
|
g/10min |
|
220℃/10kg |
ASTM D1238/ISO 1133 |
50 |
g/10min |
Application range:
Name: Jerry Meng
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