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Wacker Silicones Geniomer® 80 Silicone TPE

Category Polymer , Thermoplastic , Elastomer, TPE , Silicone, Thermoplastic
Manufacturer Wacker Silicones
Trade Name Geniomer®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
SLM TPSE 80 is a silicone copolymer containing over 90% siloxane. Geniomer® is a two phase block copolymer made up of a soft polydimethylsiloxane (PDSM) phase and a hard aliphatic isocyanate phase. On account of its structure and the high siloxane content, the material is highly flexible and combines excellent transparency with good mechanical properties. SLM TPSE 80 contains neither plasticizers nor reinforcing fillers. It can be processed using standard thermoplastic processing techniques.The high siloxane content prevents impairment of the elastomeric properties at low temperatures. SLM TPSE 80 can be coated with solvent-based paints, some of which may require the use of a suitable primer. Severe mechanical deformation of the elastomer may cause cracks in the coating due to the limited flexibility of the paint.Suggested applications:Production of industrial elastomeric componentsProcessing aid for plastics extrusionProduction of transparent filmHydrophobic, breathable textile coatingsFlexible composites and bonded jointsInformation provided by Wacker Silicones.
Physical Properties Metric English Comments
Density 0.980 - 1.00 g/cc
0.0354 - 0.0361 lb/in³
Water Absorption at Saturation <= 0.30 %
<= 0.30 %
By Thermogravimetry
Viscosity 7.00e+6 - 9.00e+6 cP

@Shear Rate 1.00 1/s,
Temperature 150 °C
7.00e+6 - 9.00e+6 cP

@Shear Rate 1.00 1/s,
Temperature 302 °F
Melt; Oscillating cone-plate
2.00e+7 - 2.50e+7 cP

@Shear Rate 1.00 1/s,
Temperature 110 °C
2.00e+7 - 2.50e+7 cP

@Shear Rate 1.00 1/s,
Temperature 230 °F
Melt; Oscillating cone-plate
Mechanical Properties Metric English Comments
Hardness, Shore A 45 - 55
45 - 55
DIN 53505
Tensile Strength at Break 4.00 - 6.00 MPa
580 - 870 psi
DIN 53504 S2
Elongation at Break >= 400 %
>= 400 %
DIN 53504 S2
50% Modulus 0.000600 - 0.00100 GPa
0.0870 - 0.145 ksi
DIN 53504 S2
100% Modulus 0.000900 - 0.00150 GPa
0.131 - 0.218 ksi
DIN 53504 S2
Tear Strength 20.0 - 30.0 kN/m
114 - 171 pli
Die B; ASTM 624
Compression Set 20 %
20 %
at -18°C; ISO 815
52 %
52 %
5°C; ISO 815
75 %
75 %
23°C; ISO 815
95 %
95 %
40°C; ISO 815
Thermal Properties Metric English Comments
Specific Heat Capacity 1.50 - 1.60 J/g-°C
0.359 - 0.382 BTU/lb-°F
DSC
2.00 - 2.40 J/g-°C

@Temperature 200 °C
0.478 - 0.574 BTU/lb-°F

@Temperature 392 °F
DSC
Optical Properties Metric English Comments
Refractive Index 1.42 - 1.425
1.42 - 1.425
Transmission, Visible 90 %
90 %
Transparent; thickness not quantified
Processing Properties Metric English Comments
Processing Temperature 185 - 230 °C
365 - 446 °F
Metering Zone
Feed Temperature 30.0 °C
86.0 °F
Mold Temperature 20.0 - 40.0 °C
68.0 - 104 °F
Injection Pressure 2.00 - 50.0 MPa
290 - 7250 psi
Melt Pressure
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