環氧玻璃布層壓板是由經化學處理的電工用無鹼玻璃纖維布為基材,以環氧樹脂作為粘合劑經熱壓而成的 層壓製品,高溫下機械強度高,高濕下電氣性能穩定性好。
基本介紹
- 中文名:環氧玻璃布層壓板
- 基材:化學處理的電工用無鹼玻璃纖維布
- 粘合劑:以環氧樹脂
- 優點:機械強度高,高濕下電氣性能好
- 簡稱:環氧板
- 顏色:淡青色或淺褐色
簡介
其他
序 號 No. | 項 目 Item | 單 位 Unit | 試驗方法 Testing Method | 指 標 Indication |
物 理 性 能 Physical Properties | ||||
1 | 密度Density | g/cm | GB/T5130 | ≥1.8 |
2 | 玻璃纖維含量 Glass Fibre Content | % | —— | ≥60 |
3 | 吸水性(10mm) Water Obsorption | mg | GB/T5130 | ≤34 |
4 | 熱膨脹係數 Thermal Expansion Coefficient | 1/℃ | GB/T1036 | 11.1×10 |
5 | 導熱係數 Coefficient of Heat Conductivity | w/m.k | —— | 0.46 |
機 械 性 能 Mechanical Properties | |||||
6 | 常態(23+2)℃ Under normal | MPa | GB/T5130 | ≥410 | |
熱態(150+5)℃ At heat | MPa | ≥240 | |||
7 | 彎曲彈性模量 Modulus of Elasticity in Flexure | MPa | ≥24900 | ||
8 | 壓縮強度 Compressive strength | 垂直層向 At perdicular lamination | MPa | ≥350 | |
平行層向 At parallel to lamination | MPa | ≥200 | |||
9 | 拉伸強度Tensile strength | 縱向Lengthwise | MPa | ≥314 | |
橫向Crosswise | ≥300 | ||||
10 | (無缺口) No notch | 縱向Lengthwise | kJ/ m | ≥160 | |
橫向Crosswise | ≥120 | ||||
(缺口) Notched | 縱向Lengthwise | ≥40 | |||
橫向Crosswise | |||||
11 | 粘合強度 Bonding strength | N | Q/JBQP51 | ≥7660 | |
12 | 平行層向剪下強度 Shear strength at parallel to lamination | MPa | GB/T5130 | ≥30 | |
13 | 洛氏硬度 Rochwell strength | HRM | GB/T9342 | ≥115 |
電 氣 性 能 Dielectric Properties | ||||
絕緣電阻 Insulation Resistance | 常態下 Under normal | MΩ | GB/T5130 | ≥1.0×10 |
浸水(24+1)h後 After Immersion for24+1h | ≥5.0×10 | |||
kv/mm | ≥14.2 | |||
平行層向耐電壓 (於90℃+2℃變壓器油中1min) Proof voltage in transformer oil at 90℃ for 1 min | KV | ≥45 | ||
介質損耗因數(於浸水後,1MHz時) Dielectric loss factor after immersion at 1MHz | ≤0.04 | |||
介質常數(於浸水後,1MHz時) Dielectric loss Constant after immersion at 1MHz | ≤5.5 | |||
表面電阻率 Surface Resistivity | 常態Under normal | MΩ | GB/T1410 | ≥1.0×10 |
浸水(23+2℃/24h) After Immersion of 23+2℃ for 24th | ≥1.0×10 | |||
體積電阻率 Volume Resistivity | 常態 Under normal | MΩ.m | ≥1.0×10 | |
浸水(23+2℃/24h) After Immersion of 23+2℃ for 24th | ≥1.0×10 | |||
相比電痕化指數 Comparative Trackling Index | GB/T4207 | ≥200 |
耐 熱 性 能 Thermal Properties | |||
玻璃化轉變溫度Tg Glass Transition Temperature | ℃ | IEC61006 | ≥172 |
熱壓收縮率 Reduction rate of Heat press | % | 參考ASTMD621 | ≤0.40 |
溫度指數 Thermal Index | GB/T11026.1 | ≥155 |