本公司以ddp和二元醇为原料合成的不饱和聚酯树脂，其制品具有优良的阻燃性能和物理性能，玻璃钢氧指数(loi)可达38%以上，可用作轨道交通耐燃材料、电子元件等。本公司具体制品测试结果见表2所示。
the unsaturated polyester resin product compounded with ddp andglycol has excellent flame retardance and physical properties, glass fiberoxygen index (loi) can reach above 38%, can be used as refractory materials inthe rail traffic industry, and electronic components, etc. the product testingresults are shown in table 2
表2 以ddp为原料合成的不饱和聚酯树脂玻璃钢制品的性能*
table2: the properties of fiberglass products made from upr with ddp as synthesisraw material *
检测项目 testing item | 测试值 testing value | 方法标准 code and standard |
巴氏硬度barcol hardness | 51 | gb/t3854 |
拉伸强度mpa tensile strength | 324.7 | gb/t1447 |
弯曲强度mpa yield strength | 373.4 | gb/t1449 |
冲击韧性impact toughness kj/m2 | 305.7 | gb/t1451 |
氧指数oxygen index % | 38.5 | gb/t8924 |
* 玻纤含量 glass fiber content: 48~52 %