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Teknor Apex Sarlink® 4175 Thermoplastic Elastomer

Category Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Olefinic Elastomer (TPO)
Manufacturer Teknor Apex Company
Trade Name Sarlink®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Teknor Apex Sarlink® 4175 Thermoplastic Elastomer.pdf
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Material Notes:
A highly engineered Thermoplastic Elastomer for use in demanding applications. Sarlink® 4175 is a medium hardness grade possessing exceptional tensile strength, superior compression set, chemical resistance and high temperature performance. It can be easily processed by injection molding, blow molding or extrusion for various applications such as boots and bellows, seals, gaskets as well as other profiles and articles.Processing and Handling (See more in property table)Sarlink® 4175 is a polypropylene based elastomer, which can be processed on conventional thermoplastic equipment for injection molding, extrusion and blow molding. This product has a wide processing window in most applications. Melt temperatures from 360°F to 430°F can be used. Do not exceed 450°F. Drying is recommended for extrusion and blow molding and any time the material is used from an unsealed package. Extrusion screen pack is 20 to 60 mesh.PURGINGThis product has excellent melt stability. Empty the barrel for idle periods of thirty (30) minutes or longer. Purge thoroughly before and after use of this product with polyethylene or polypropylene.RECYCLING/REGRINDThis product can be reprocessed. Physical properties are generally not degraded. Dry regrind prior to reprocessing. COLORINGThe use of polyolefin based color concentrates is recommended. Apply back pressure in injection molding to disperse color.BONDING/ASSEMBLYThermal bonding techniques can be used to form high strength bonds. Adhesive bonding can be achieved with specialized adhesives. Bond strength is limited due to the polypropylene base of this material.STORAGE and HANDLINGThis product is available in 55 lb. foil lined bags (up to 2,200 lbs. per pallet) or 1,100 lb. polyethylene lined gaylords. It has a storage life at normal temperatures of several years. Please refer to the Material Safety Data Sheet for this grade prior to first time handling.Sarlink® was sold from DSM to Teknor Apex
Physical Properties Metric English Comments
Density 0.960 g/cc
0.0347 lb/in³
ASTM D792
Viscosity 356000 cP

@Shear Rate 206 1/s,
Temperature 200 °C
356000 cP

@Shear Rate 206 1/s,
Temperature 392 °F
ASTM D3835
Mechanical Properties Metric English Comments
Hardness, Shore A 72
72
extruded sample; 5 sec. delay; ASTM D2240
75
75
injection molded sample; 5 sec. delay; ASTM D2240
Tensile Strength at Break 5.90 MPa
856 psi
Die C; Flow direction; ASTM D412
8.101 MPa
1175 psi
Die C; Cross direction; ASTM D412
Elongation at Break 342 %
342 %
Die C; Flow direction; ASTM D412
527 %
527 %
Die C; Cross direction; ASTM D412
100% Modulus 0.00340 GPa
0.493 ksi
Die C; Cross direction; ASTM D412
0.00390 GPa
0.566 ksi
Die C; Flow direction; ASTM D412
Tear Strength 39.0 kN/m
223 pli
Die C; Cross direction; ASTM D624
Compression Set 22 %
22 %
22h/23°C; ASTM D395B
45 %

@Temperature 100 °C
45 %

@Temperature 212 °F
22hr; ASTM D395B
Processing Properties Metric English Comments
Rear Barrel Temperature 182 - 204 °C
360 - 400 °F
Extrusion
177 - 216 °C
350 - 420 °F
Injection Molding
Middle Barrel Temperature 182 - 204 °C
360 - 400 °F
Extrusion Transition Zone
177 - 216 °C
350 - 420 °F
Injection Molding
188 - 210 °C
370 - 410 °F
Extrusion Metering Zone
Front Barrel Temperature 177 - 216 °C
350 - 420 °F
Injection Molding
188 - 210 °C
370 - 410 °F
Extrusion
Nozzle Temperature 188 - 221 °C
370 - 430 °F
Injection Molding
Die Temperature 193 - 216 °C
380 - 420 °F
Extrusion
Melt Temperature 182 - 221 °C
360 - 430 °F
Injection Molding
193 - 216 °C
380 - 420 °F
Extrusion
Mold Temperature 10.0 - 65.6 °C
50.0 - 150 °F
Injection Molding
Roll Temperature 21.1 - 48.9 °C
70.0 - 120 °F
Extrusion
Drying Temperature 82.2 °C
180 °F
Dry Time 3 hour
3 hour
Injection Pressure 0.0689 - 1.03 MPa
10.0 - 150 psi
Injection Molding Back Pressure
Screw Speed 100 - 200 rpm
100 - 200 rpm
Injection Molding
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