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管材级PP料特性： 

管材级PP料                                        

管材级PP料

管材级PP料

管材级PP料

管材级PP料                                                                     

管材级PP料

PP1709合约开盘7850元/吨，最高7924元/吨，最低至7801元/吨，收于7849元/吨，涨4，日涨幅0.05%。成交量减少至35.13万手，持仓量增加17908手至64.42万手。

消息面：1、绍兴三圆PP粒：拉丝T30S挂7950，膜料F280F挂7980，注塑Y16SY挂7950，纤维Y26SY定7900。（单位：元/吨）老装置绍兴三圆(20万吨/年)停车中，目前暂未开单；新装置绍兴三锦(30万吨/年)6月27日停车检修，今日起正常开单，为期三天。

原料价格：日本石脑油CF日本报424.25元/吨，涨1.5；石脑油FOB新加坡报45.64美元/桶，涨0.12。乙烯CFR东北亚930美元/吨，持平；CFR东南亚报850美元/吨，持平。丙烯中国到岸价875美元/吨，持平。山东丙烯价格报6525元/吨，持平。

现货价格：国外现货市场价格小幅下跌，远东地区报969美元/吨，跌6，中国到岸价报969美元/吨，跌6。国内市场价格基本持平；华东宁波7950元/吨，持平；华南茂名报8000元/吨，持平。

观点总结：装置检修逐步复工，下游对后市供应增加预期影响，需求积极性减弱，限制期价上行动力，预计短期维持区间震荡。技术上，PP1709合约震荡调整，期价下方测试7650附近支撑，期价上方测试7900附近压力，预计期价维持在7650-7900区间震荡，建议区间交易。

管材级PP料

Polypropylene through toughening, filling, strengthening, blending and other modified methods can be different properties of the material, in the car

The modified polypropylene material has been widely used.

This article describes the use of polypropylene materials in typical parts of the interior.

1 dashboards Currently used dashboards can be divided into hard dashboards and semi-rigid dashboards.

In the high-end cars more semi-rigid dashboard. As a semi-rigid dashboard skeleton and duct material, different models, different designs can have a variety of materials to choose, long glass fiber 20% reinforced polypropylene PPLGF20 because of its good rigidity should be a very good choice.

Most of the middle and low stalls using hard dashboard. Hard dashboard is composed of two parts, can be divided into dashboard body, dashboard body and skeleton of the three parts. As the PP / EPDM-T20 has good toughness and a certain degree of rigidity, so the instrument board and the lower body of the first choice of materials. Of course, dashboard material can also be used PP / EPDM.T10 or PP / EPDM-T15.

Glove box outside the board material can also be used PP / EPDM.T20, the inner plate material can be used PP-T20 or PP-T30.

The materials available for the door material are PP / EPDM.T10, PP / EPDM.T15, PP / EPDM-T20.

Above only talk about the automotive interior in the polypropylene material in some typical parts on the application, there are many other parts used in the interior of polypropylene materials, such as PP-GF20 or PP-GF30 and so on. The typical application mentioned above is only an example, of course, can also use other types of polypropylene material.

Talked so much PP in the interior of the classic application, then the interior of the car for the requirements of PP material which? We look at.

Second, the interior parts with PP material requirements

Polypropylene through a variety of modification, the performance of completely different materials to meet the performance requirements of various parts. With the car gradually into people's daily life, it is getting closer and closer, more and more, both from the visual, tactile or smell, people have more and more demanding. In order to create a more comfortable, beautiful car interior environment, this article as the interior material PP put forward some other requirements.

Note: Each part is required to have different mechanical properties due to its different use position, different load levels, and different functions. The same material is applied to different parts. For example, the same PP / EPDM.T20 applied to different parts, the bending modulus and impact toughness will have completely different requirements. Therefore, this paper does not describe the mechanical properties of the material.

1 scratch resistance requirements

Car interior parts of the raw material PP is relatively high hardness, so the user's use of the process, some parts are easy to be scratched, scratched or kicked, over time, parts of the surface was pale, very ugly. So the PP material must have scratch-resistant properties.

Specific requirements:

Under the action of a certain load, with the provisions of the knife, the vertical cross in the sample surface of the 20 strokes, and then evaluate the brightness of the location changes. Usually requires no change in brightness of more than 1.5, that is △ L ≤ 1.5. Commonly used loads are 5N and 10N, depending on the part of the use of parts or paint to choose a different load.

2 anti-white mark performance

PP material of the decorative parts in the assembly or by bending, shock and other external forces, often appear white phenomenon, and with the passage of time, white marks will be further expanded, affecting the beauty of the interior. This is what we usually say that the phenomenon of stress whitening. In order to avoid stress whitening, PP material must also have anti-stress whitening performance.

Specific requirements:

At a certain height, the sample is subjected to a falling ball impact test, and then the brightness change is evaluated and recorded. After a period of time, once again evaluate the impact of the impact of changes in parts; and then the sample stored at high temperature, after a specified time to re-evaluate the sample brightness changes.

3 heat aging performance

Polypropylene material due to its own structure, it is easy to be oxygen in the air oxidation, especially by the role of light and heat, it will accelerate aging, and thus destroyed its physical and mechanical properties. Affecting the life of the parts. So PP material must have the performance of heat and oxygen aging. As an interior parts, at least to meet the conditions of 150 ℃ 400 hours without powder phenomenon. Experiments can be done with the entire part, or by cutting the part into a spline and in a dry box.

4 distribution performance

People on the car interior air quality requirements are getting higher and higher, the state immediately to the introduction of automotive interior air quality requirements and other relevant standards. So in order to ensure a good car interior environment, as an interior parts, without exception, must meet the four requirements of the distribution performance. Interior parts distribution performance, including odor test, formaldehyde content determination, condensation components, total carbon emissions.

如需了解更多关于管材级PP料及 的详细信息，欢迎致电联系。

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管材级PP料