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Note: The oxygen index of the product shall be determined by the buyer and seller. 注:产品氧指数,可由买卖双方议定。
The developing process of the certified reference material of polymethyl methacrylate for oxygen index was introduced. 介绍聚甲基丙烯酸甲酯氧指数标准物质的研制过程。
A rigid PU foam with high incombustibility and oxygen index > 34 was prepared.Its camouflage performance was kept well. 在不影响材料伪装性能的基础上,制得了氧指数在34以上的高阻燃性聚氨酯硬质泡沫。
A large increase in the limiting oxygen index(LOI) value were observed by adding nano TPP to PP. 加入聚丙烯中,发现极限氧指数有比较大的提高。
Limited oxygen index( LOI ) measurements were performed on the Oxygen Index Flammability Gauge. 测定了样品的极限氧指数(LOI)。
The factors of flammability testing of no-halogen flame-retardant PE were investigated by testing methods of the oxygen index and the smoke density. 采用氧指数和烟密度分析方法,对无卤阻燃聚乙烯试样燃烧性能测试的影响因素进行了分析。
The experimental results show that Limited oxygen index(LOI) values are increased with the increase content of TCEP and density of RPUF. 结果表明,随着密度和阻燃剂含量的增加,氧指数(LOI)在上升到一定幅度后趋缓;
Fourthly, the experimental results show that Limited oxygen index (LOI) values were increased with the increase content of TCEP and density of RPUF. 增强的机理除了在于增强物的贡献之外，还在于增强物的添加作为材料泡孔的形核点，达到了细化泡孔，增加了材料的机械性能的目的。
The oxygen index reached 28.8 when the intumescent flame retardant system consisted of APP, PER and MEI was applied to PE. 聚磷酸铵、季戊四醇、三聚氰胺膨胀性体系应用于PE;极限氧指数可达28.;8。
Firstly, limit oxygen index test with MF-AFR fiber, methyl cellulose and polymer fiber testified that MF-AFR fiber has the flame-retarded function. 首先测试了MF-AFR纤维、木质素纤维、聚合物纤维的极限氧指数和3种纤维沥青胶泥的极限氧指数，证明MF-AFR纤维具有阻燃性能，并通过TG-DSC试验分析了其阻燃机理。
The limited oxygen index (LOI) and DSC-TG testing method was employed to study flame retardancy of flame retardants modified asphalt. 然后进行氧指数和DSC-TG试验，分析了阻燃剂对沥青阻燃性能改善效果及阻燃剂对沥青热学性能的改善；
The influence of IFR contents and the ratio of MP and PER on limiting oxygen index(LOI) and UL94 rating of EVA/IFR composites has been studied. 采用氧指数法和垂直燃烧法研究了MP和PER不同配比对EVA阻燃效果的影响。实验结果表明,MP和PER的配比不同对体系的阻燃有很大影响。
The structure of bromized polystyrene was identified by IR, and its flame retardanee and thermal stability have also been investigated by oxygen index determination and DTA. 采用红外光谱仪分析溴化聚苯乙烯的结构。使用氧指数、差热分析研究其阻燃性和热稳定性。
Thermal gravimeteric analysis(TGA) showed that IFR increased the maximum heat loss tempreture,the sample's residued char and the limit oxygen index(LOI) of polypropylene. 热重分析表明膨胀型阻燃剂(IFR)可提高聚丙烯的最大热失重速率温度、增加热失重残余率,使聚丙烯的极限氧指数有较大的提高。
Instead of normal smoke density,oxygen index,horizontal and vertical buring methods,SBI test was adopted to study the combustibility of aluminum-plastics composite panel. 采用单体燃烧试验(SBI)法取代传统的烟密度、氧指数、水平垂直燃烧等试验方法,比较了不同芯材、不同厚度铝塑复合板的燃烧性能。
Thermal gravimetric analysis(TGA),FTIR,Limited oxygen index(LOI) and vertical firing test are used to research the flame retardancy of the intumescent flame retardant on PP. 采用热重分析(TGA)、红外光谱分析(FTIR)、氧指数测定和垂直燃烧实验,研究了所合成的膨胀型阻燃剂对聚丙烯的阻燃作用。
The results showed that after surface treatment CG-ATH has a good dispersion in PA66 and the limited oxygen index of PA66 with the treated CG-ATH improves from 25% to 30%. 结果表明,改性后的CG-ATH在树脂中分散性好,在尼龙66中添加表面改性的CG-ATH,其氧指数从25%25提高到30%25。
Oxygenation Index(OI)was seri-ally measured at1,6,12,24,48hrs after operation. 所有病例监测术后1、6、12、24、48h氧合指数 (OI) ;
The impact strength, strength at break and limited oxygen index of PVC will be improved quite a lot after blending it with 5% of ZB pretreated by coupling agent. 研究结果表明，在PVC中加入5%25经偶联剂和振磨处理的硼酸锌，PVC的冲击强度、拉伸强度和极限氧指数均得到了明显提高。
Water contains hydrogen and oxygen. 水含有氢和氧。