SK Chemicals SKYTHANE® SG100 SKYGREEN Biodegradable Thermoplastic

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SK Chemicals SKYTHANE® SG100 SKYGREEN Biodegradable Thermoplastic (discontinued **)
Categories:	Polymer; Renewable/Recycled Polymer; Thermoplastic; Polyester, TP; Polyethylene Terephthalate (PET)
Material Notes:	SKYGREEN is a series of aliphatic polyester and aliphatic/aromatic copolyester that is degraded into water and carbon dioxide by microorganisms SKYGREEN, biodegradable thermoplastics, has been developed on the basis of the SK Chemicals polyethylene terephthalate (PET) technology. There is no other chemical linkage than ester in its molecular structure. SkyGreen fully degrades into CO2 and H2O via hydrolysis mechanism. Within 45 days, the polymer degrades completely in the composting condition. Information provided by SK Chemicals
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Physical Properties	Original Value	Comments

Specific Gravity	1.22 g/cc	ASTM D792
Melt Flow	35 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	70	ASTM D2240
Tensile Strength, Ultimate	430 kg(f)/cm²	ASTM D638
Elongation at Break	15 %	ASTM D638
Flexural Yield Strength	488 kg(f)/cm²	ASTM D790
Flexural Modulus	8743 kg(f)/cm²	ASTM D790
Izod Impact, Notched	6.00 kg-cm/cm	ASTM D256

Thermal Properties	Original Value	Comments
Melting Point	118 °C	ASTM D3418
Softening Point	97.0 °C	ASTM D1525

**
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PSK101 / 67833

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