牌号 | INSPIRE™ DLGF 9621.00 |
厂家 | Trinseo |
分类 | TPO |
介绍 | DLGF 9621.00 is a polypropylene homopolymer reinforced with 60% by weight of long glass fibres. (PP-LGF60, Long Glassfiber Granulate). DLGF 9621.00 is produced by pultrusion /melt-impregnation process, thereby ensuring thorough impregnation of all the glassfibers and also providing improved 'pellet robustness' for air conveying. It is available in two equivalent versions: the 'MR' version produced in USA and the 'TR' version produced in Europe. Both are available in 'standard black'. This PP-LGF60 is a concentrate which has to de diluted with either 'neat'-polypropylene and/or mineral filled PPbased compounds. The 'dilution' is typically done as a dryblend of granulates by means of gravimetric dosing devices at the injection-molding machine. A weight ratio of 1 : 1 of DLGF 9621.00 and i.e. LGF 8100 PP-copolymer will result in a composite-system having 30% by weight of glassfibers. DLGF 9621.00 has been especially formulated to meet the long term heat ageing resistance (LTHA) required for use in some automotive 'interior' applications i.e. instrument panelcarrier or integrated door-modules. LTHA> 1000 h @140°C and/or LTHA > 400 h @150°C will be achieved after dilution to 30% GF-content with ‘neat'-PP (LGF 8100). The 'long' glass fibres (11 mm length) provide high stiffness, strength and impact-resistance of the injection molded parts. The properties shown below have been measured on standardized ‘dogbone'-shape specimens (ISO 3167). Note : The mechanical properties which will be present in 'real' injection-molded parts may be different - depending on the fiber-orientation and the fiber-length distribution profile - which themselves are resulting from hardware configuration and processing parameters (such as i.e. the type of screw and mixing elements, diameter and radii of nozzle and hot-runners, number and size of gates, injection speed during mold filling and backpressure during dosing cycle). |
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