一、产品介绍 （Product Introduction）
QFRP光缆加强芯是以乙烯基树脂为基材，高密度玻璃纤维为增强材料，采用拉挤成型工艺制造的一种新型的高性能工程复合材料，被广泛地应用于各种光缆。
QFRP is a high performance engineer composite material formed in resin and glass fiber reinforced compound via pull extrusion equipment, which widely used to optical cables.
二、产品特性 (Product Features)
1、轻质高强，密度低，强度高；
Light weight and high strength: QFRP has the characteristics of low density and high strength;
2、低膨胀，在宽温度范围内，线膨胀系数小；
Low expansion: QFRP has a lower coefficient of thermal expansion;
3、对电击不敏感，适用于多雷电、多雨等气候环境地区；
Not sensitive to the lightning strike, applied to the areas which are common with frequent lightning and rain;
4、可紧挨着电源线和电源装置安装，不会受电源线或电源装置产生的感应电流干扰；
Not obstructed by induced current and can be installed close to the power unit and device;
5、耐腐蚀，无有害气体影响光纤传输指标。
Corrosion resistance, no harmful gas that affect the optical transmission indicators.
三、产品规格 （Product Specification）
Φ0.40mm Φ0.50mm×Φ0.60mm
Φ0.45mm Φ0.60mm×Φ0.70mm
四、技术指标 (Technical Indicator)
序号NO. | 项目 Item | 单位 Unit | 指标要求 Index | |
1 | 直径偏差Diameter tolerance | 本体Body | mm | ±0.05 |
涂层Coating | ||||
2 | 扁平率Non- circularity | 本体Body | % | ≤5.0 |
涂层Coating | ||||
3 | 比重 Density | g/cm3 | 1.3～1.4 | |
4 | 断裂伸长率 Elongation at break | % | ≤4.0 | |
5 | 最小弯曲半径 Minimum bending radius | mm | ≤0.9 | |
6 | 拉伸强度 Tensile strength | Mpa | ≥1600 | |
7 | 拉伸弹性模量 Tensile modulus | Gpa | ≥50 | |
8 | 高温弯曲性能 High temperature bending test （80℃，24h） | － | 表面无裂纹或毛刺、无弯折 No bur, cracks and break | |
注1：对于含涂层的QFRP，只考量涂层的直径偏差和不圆度，而不需考量本体的直径偏差和不圆度。
Note1: For QFRP with coating, it only considers the diameter tolerancea and non-circularity of coating.
注2：D代表QFRP的标称本体直径。
Note2: D represents the body of QFRP itself.
注3：材料的弯曲寿命待研究。
Note3: Bending life of material is to research.