Sarlink® TPE ME-2240DB (PRELIMINARY DATA)

About
The Sarlink ME-2200 Series is a general purpose thermoplastic elastomer series, available in BLK, designed for automotive exterior molded applications. Sarlink ME-2240DB is a high hardness, low density, UV stabilized grade suitable for injection molding.&&

Product Description
SupplierTeknor Apex
GenericTPE
Material StatusCommercial: Active
FeaturesWeather resistance is good,Excellent Processability,Low liquidity,Good Hardness,Good bond,Lubricating,Low density,Solvent resistance
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
MECHANICALNominal valueUnitTest method
tensile strength ISO 37
TD, 100% strain6.13MPaISO 37
MD, 100% strain7.33MPaISO 37
fracture14.9MPaISO 37
MD, fracture13.4MPaISO 37
Tensile strain ISO 37
fracture720%ISO 37
Flow rate, fracture630%ISO 37
tear strength ISO 34-1
TD66kN/mISO 34-1
MD59kN/mISO 34-1
Compression deformation ISO 815
23℃，22 hr37%ISO 815
70℃，22 hr56%ISO 815
90℃，70 hr68%ISO 815
125℃，70 hr100%ISO 815

MECHANICALNominal valueUnitTest method
Shore hardness ISO 868
Shore D, 1 second, injection molding44 ISO 868
Shore D, 5 seconds, injection molding39 ISO 868
Shore D, 15 seconds, injection molding38 ISO 868

Aging performanceNominal valueUnitTest method
The rate of change in tensile strength in air ISO 188
TD：110℃，1008 hr-1.3%ISO 188
MD：110℃，1008 hr-3.0%ISO 188
TD: 100% strain at 110 ℃, 1008 hr13%ISO 188
MD: 100% strain at 110 ℃, 1008 hr19%ISO 188
TD：125℃，168 hr-2.0%ISO 188
MD：125℃，168 hr-9.0%ISO 188
TD: 100% strain 125 ℃, 168 hr11%ISO 188
MD: 100% strain 125 ℃, 168 hr18%ISO 188
Changes in tensile stress during fracture in air ISO 188
TD：110℃，1008 hr-3.6%ISO 188
Flow rate: 110 ℃, 1008 hr-10%ISO 188
TD：125℃，168 hr-1.0%ISO 188
Flow rate: 125 ℃, 168 hr-17%ISO 188
The rate of change of Shore hardness in air ISO 188
Support D, 110 ℃, 1008 hr1.7 ISO 188
Support D, 110 ℃, 1008 hr1.0 ISO 188
Support D, 110 ℃, 1008 hr1.9 ISO 188
Support D, 125 ℃, 168 hr-0.90 ISO 188
Support D, 125 ℃, 168 hr0.30 ISO 188
Support D, 125 ℃, 168 hr0.70 ISO 188

Supplementary informationNominal valueUnitTest method
Xenon aging testing machine SAE J2527
Delta E – 1250 kJ0.280 SAE J2527
Delta E – 2500 kJ0.250 SAE J2527

PHYSICALNominal valueUnitTest method
Density0.928g/cm³ISO 1183
Melt Flow Rate
230℃，2.16kg12g/10minASTM D1238
Shrinkage rate
TD: 48 hours, injection molding1.2%ASTM D955
MD: 48 hours, injection molding1.2%ASTM D955
Apparent viscosity of melt
200℃，206 sec^-1203Pa·sASTM D3835

Process Conditions
injectionNominal valueUnitTest method
Barrel rear temperature199 to 210°C
Barrel middle temperature204 to 216°C
Barrel front temperature210 to 221°C
Nozzle temperature216 to 227°C
Processing (melt) temperature216 to 227°C
Mold temperature35 to 66°C
Injection pressure1.38 to 6.89MPa
Injection speedFast 
Back pressure0.172 to 0.862MPa
Screw speed50 to 120rpm
Cushion3.81 to 25.4mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. Plaque dimensions: 100mm x 100mm x 2.37mm
3. Type 1, 20 in/min
4. Method Ba, Angle (Unnicked), 20 in/min
5. Type A
6. Type 1
7. 5 sec
8. 1 sec
9. 15 sec
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