MatWeb, The Online Materials Database
Advanced Elastomer Systems Santoprene® 191-55PA Thermoplastic Rubber
Subcategory: Elastomer, TPE; Polymer; Thermoplastic
Material Notes:
A black thermoplastic elastomer especially formulated to be used in combination with polyamide (PA) for applications where hard/soft combinations are required. Since the product bonds to PA, typical applications are corrugated hose and fittings, soft grip handles and wheels with PA hubs. It can be processed using injection molding or extrusion.
Key Features: Excellent processing in injection molding; Smooth surface or 'soft touch'; Good rubbery properties; Excellent adhesion onto nylon-6 (insert or 2K [two-shot] molding) and nylon 6,6 (2K molding only); Adhesion values can vary according to type of nylon used, tool design and processing conditions.
Additional processing comments: This thermoplastic rubber is a shear-dependent material that can be processed on conventional thermoplastic equipment for injection molding or extrusion. For extrusion, a general purpose screw with a compression ratio of 2.5 to 3.0 is recommended. Material can be recycled. SANTOPRENE rubber is incompatible with acetal and PVC.
Values below are for injection molded plaques, side gated, 82.6 mm x 117.5 mm x 3.0 mm. Tensile properties measured across flow. Data provided by Advanced Elastomer Systems.
| Physical Properties | Original Value | Comments | ||
| ||||
| Density | 0.96 g/cc | TPE-0105 (ASTM D792) | ||
Mechanical Properties | ||||
| ||||
| Hardness, Shore A | 55 | 5 Second; TPE-0169 (ASTM D 2240) | ||
| Tensile Strength, Ultimate | 2.9 MPa | TPE-0153 (ASTM D 412) | ||
| Elongation at Break | 270 % | TPE-0153 (ASTM D 412) | ||
| 100% Modulus | 0.0018 GPa | TPE-0153 (ASTM D 412) | ||
| Graves Tear Strength | 13 kN/m | TPE-0056 (ASTM D 624) | ||
| Compression Set | 25 % | 23°C, 22 hrs.; TPE-0016 (ASTM D 412) | ||
| Compression Set, Elevated Temperature | 37 % | 70°C, 22 hrs.; TPE-0016 (ASTM D 412) | ||
| Compression Set, Elevated Temperature | 43 % | 100°C, 22 hrs.; TPE-0016 (ASTM D 412) | ||
Processing Properties | ||||
| ||||
| Processing Temperature | 260 - 280 °C | Recommended | ||
| Mold Temperature | Min 60 °C | 2K molding | ||
| Mold Temperature | Min 90 °C | insert molding | ||
| Drying Temperature | 82 °C | Desiccant drying for 3 hours recommended | ||
| Dry Time | 3 hour | |||
Copyright 1996-2010 by Automation Creations, Inc. The information provided by MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from Automation Creations, Inc. No warranty, neither expressed nor implied, is given regarding the accuracy of this information. The user assumes all risk and liability in connection with the use of information from MatWeb.