About |
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Kareline® PLMS composites are injection mouldable natural fibre reinforced thermoplastic composites, which are biologically degradable, when subjected to the right conditions: Excellent oxidation-, colour- and molecular weight stability in the melt Compostable: The matrix polymer (PLA) used in the composite is certified according to DIN EN 13432:2000-12 and ASTM D 6400. Natural fibres used certified as biodegradable and compostable. Polymer used is on renewable monomers Fibres used are based on sustainable produced, renewable, environment certified (PEFC) forest resources from non-rainforest sources. The matrix plastic of Kareline® PLMS composites is polylactic acid (PLA). The fibre used is ECF bleached long fibre Nordic soft wood pulp (cellulose). The fibre content of Kareline® PLMS composites is 10-50 weight% (for example Kareline® PLMS6040, Kareline® PLMS7030). Customer tailor made grades are also available. PLMS is hydrolysed autocatalytically in humid environments at temperatures above 60°C. The subunit lactic acid is liberated to be used by micro-organisms as food. The speed of biodegradation depends on the thickness of the moulded article and on the ambient temperature. The material can be regarded as CO2-neutral and renewable, because lactic acid used is made out of natural sugar resources, which are in turn made by photosynthesis out of CO2 in plants, just like the fibres used are from renewable forest resources. Kareline® PLMS composites are suitable for e.g. compostable products, products used in cemeteries, disposables and packaging.&& |
Product Description | |
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Generic | PLA |
Material Status | Commercial: Active |
Features | Thermal insulation,Good surface appearance,Renewable resources,Sprayable,Low coefficient of friction,Low contractility,Machinable,Biodegradable,Good color stability,Compostable,Good wear resistance |
Availabilitys | Europe |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.31 | g/cm³ | ISO 1183 |
Melt Flow Rate | |||
200℃,10.0kg | 44 | g/10min | ISO 1133 |
Melt Volume Rate | |||
200℃,10 kg | 38.1 | cm³/10min | ISO 1133 |
Shrinkage rate | 0.40 | % | |
Water absorption rate | |||
Equilibrium, 23 ℃, 50% RH | 0.70 | % |
IMPACT | Nominal value | Unit | Test method |
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Charpy Notched Impact Strength | |||
23℃ | 15 | kJ/m² | ISO 179 |
THERMAL | Nominal value | Unit | Test method |
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Continuous use temperature | -25.0 to 85.0 | ℃ |
MECHANICAL | Nominal value | Unit | Test method |
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Rockwell hardness | |||
R-level | 121 | ISO 2039-2 | |
tensile strength | 70.3 | MPa | ISO 527-2 |
Tensile strain | |||
fracture | 2.5 | % | ISO 527-2 |
Bending modulus | 5100 | MPa | ISO 178 |
bending strength | 110 | MPa | ISO 178 |
Bending strain | 2.5 | % | ISO 178 |
Process Conditions | |||
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injection | Nominal value | Unit | Test method |
Drying temperature | 75 | °C | |
Drying time | 8.0 | hr | |
Barrel rear temperature | 180 | °C | |
Barrel middle temperature | 185 | °C | |
Barrel front temperature | 185 | °C | |
Nozzle temperature | 200 | °C | |
Processing (melt) temperature | < 210 | °C | |
Mold temperature | 5 to 20 | °C | |
Injection pressure | < 100 | MPa |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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