Biograde B-M

About
A fully biodegradable resin for rigid moulding applications Greater than 98% biodegradability when tested to ISO14855 Can be used for injection moulding and profile extrusion BIOGRADE B-M is a fully biodegradable plastic based on a blend of thermoplastic starch (TPS), aliphatic polyesters (AP) and natural plasticizers (glycerol and sorbitol). This grade of resin is compatibilised to offer a high level of mechanical strength, good elongation properties and toughness. The resin is based on corn starch which is a renewable material. The resin does not contain polyolefins. Applications Biodegradable injection moulded products such as cutlery, toothbrushes, combs, shavers, golf-tees, plant markers, etc. Extruded tubes and rods Biodegradable stakes and pegs Biodegradable tags Extruded pipes Injection moulded caps and closures Compostable rigid products if wall thickness is kept below 1 mm.&&

Product Description
Generic生物可降解聚合物
Material StatusCommercial: Active
FeaturesGood Rigidity,Good flexibility,Renewable resources,Biodegradable,Good Tensile Strength
AvailabilitysAsia Pacific
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.22g/cm³ASTM D4883
Melt Flow Rate
150℃,0.325kg1.8g/10minASTM D1238

MECHANICALNominal valueUnitTest method
tensile strength
fracture19.5MPaASTM D883
Tensile strain
fracture1.9%ASTM D883

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch24J/mASTM D256
Notched impact strength of cantilever beam160J/mASTM D256

THERMALNominal valueUnitTest method
Melting peak temperature70.0 to 80.0ASTM D3418

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Recommended maximum moisture content0.20%
Barrel middle temperature150 to 160°C
Barrel front temperature130 to 140°C
Nozzle temperature140 to 160°C
Processing (melt) temperature160 to 165°C
Mold temperature10 to 15°C
Recommended maximum moisture content0.20%
Melt temperature160 to 165°C

Notes
1. Typical properties: these are not to be construed as specifications.
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