| ★ 纤维缠绕玻璃钢贮罐的基本特点 ★ |
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 ■优良的物理力学性能
Outstanding physical mechanical properties
玻璃钢制品材料密度通常为1.8～2.1g/cm3。约为钢材的1/4。比钢材、铸铁和塑料等的比强度都高（表一）物理力学性能优异（表二、表三），此外，热膨胀系数与钢大体相当，热传导系数只有钢的0.5%是一种很好的热和电绝缘材料。
The density of reinforced plastic products is usually 1.8～2.1g/cm3,about a quarter of that of steel materials.Its speciffic strength is higher tha that of steel,cast iron and plasics,etc.(Table 1);it has excellent physical mechanical properties (Tables 2 and 3).Furthermore,its coefficient of thermal expansion is about that of the steel,while its coefficient of heat conductivity is only 0.5% of that of steel.As such it is an excellent heat and electrical insuation material.
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 ■设计灵活性大，罐壁结构性能优异
Design flexibility;excellent tank wall structrue
纤维缠绕玻璃钢可通过改变树脂品种和增强材料来提高玻璃钢贮罐制品及非标准装置的物理化学性能，以适应不同介质和工作条件的需要。通过结构层厚度，缠绕角和结构设计来调整罐体的承载能力，采用玻璃钢纤维高张力、多层次、多角度。包封头缠绕，制成不同压力和特殊性能的贮罐和装置。
The physical and chemical nature of the reinforced plastic storage tanks and nonstandard installations can be enhanced by changing the types of resins and strengthened materials in the fiber reinforced plastic componet,so as to suit the needs of various media and working conditions.The structrue's thickness,wrap angle and structural design are adjusted to change the tank body's thickness,wrap angle and structural design are adjusted to change the tank body's loading ability.Storage tands and installations of different pressure and functions are made,using the fiber reinfoced plastic's high elasticity for multiple layer,multiple angle binding. |
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| ·玻璃钢纤维缠绕机械 |
■耐化学腐蚀，使用寿命长
Resistant to chemical corrosion;long lifespan
玻璃钢具有特殊的耐化学腐蚀性能。可以耐多种酸、碱、盐和有机溶剂。在储存腐蚀性介质时，玻璃钢显示出其他材料所无法比拟的优越性。
Reinfored plastic is unique in its resistance to chemical
corrosion.It can withstand numerous acids,alkalis,salts and
organic solvents,As a means of storage of corrosive medium,reinforced
plastic has incomparable advantages. |
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■各种材料的比重、比强度 Specific weight
and specifice strength of various materials
（表一）
材质
Materials
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纤维缠绕玻璃钢
Woven fiber reinforced plastics |
钢
Steel |
铸铁
Cast lron |
PVC |
项目
Ltem |
比重
Specific Weight
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1.8-2.1 |
7.84 |
7.34 |
1.53 |
抗拉强度Mpa
Tensile Strength |
160-320 |
380 |
187 |
50-60 |
比强度
Specific Strength
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100-168 |
48.5 |
25.5 |
36.8 |
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■玻璃钢力学性能数 Mechanical Properties
of
Reinforced Plastic （表二）
| 1、常用中小型贮罐（DN＜4000） Regular pressure small and medium storage tanks(DN<4000) |
| 环向抗拉强度 Toroidal tensile strength |
210Mpa |
| 轴向抗拉强度 Axial tensile strength |
130Mpa |
| 环向弹性模量 Toroidal elastic modulus |
17GPa |
| 轴向弹性模量 Axial elastic modulus |
10GPa |
| 2、常压大型贮罐（DN≥4000） Regular pressure large storage tanks（DN≥4000） |
| 环向抗拉模量 Toroidal tensile strength |
260Mpa |
| 轴向抗拉模量 Axial tensile strength |
90Mpa |
| 3、大型压力贮罐 Large pressure tanks |
| 环向抗拉强度 Toroidal tensile strength |
300Mpa |
| 轴向抗拉强度 Axial tensile strength |
150Mpa |
| 环向弹性模量 Toroidal elastic modulus |
25GPa |
| 轴向弹性模量 Axial elastic modulus |
12.5GPav |
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■玻璃钢的其他性能参数 Other Performance Parameters of Reinforced Plastics
（表三）
| 巴柯尔硬度 Barcol hardness |
40 |
| 泊松系数 Poisson coefficient |
0.3 |
| 热膨胀系数 Coefficient of thermal expansion |
11.2×10-６mm/mm·℃ |
| 断裂延伸率 Elongation at break |
0.8-1.2% |
| 氧指数 Oxygen Index |
30% |
| 体积电阻率 Volume resistivity |
5.5×10-14cm |
| 表面电阻率 Surface resistivity |
2.5×10-11Ω |
| 内表面粗糙率 Internal surface finish |
0.0084 |
| 食品级残余单位含量 Residual food-grade unit compostition |
≤200ppm |
| PVC-FRP层间剪切强度 PVC-FRP interlayer shear strength |
7MPa |
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