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詳細(xì)介紹
CEM-3環(huán)氧不織布纖維層壓板
CEM-3環(huán)氧不織布纖維層壓板電機(jī)`電器設(shè)備中作絕緣結(jié)構(gòu)零部件，包括各式樣之開(kāi)關(guān)`FPC補(bǔ)強(qiáng)電器絕緣`碳膜印刷電路板`電腦鉆孔用墊`模具治具等（PCB測(cè)試架)并可在潮濕環(huán)境條件和變壓器油中使用。應(yīng)用甚為廣泛。
電機(jī)`電器設(shè)備中作絕緣結(jié)構(gòu)零部件，包括各式樣之開(kāi)關(guān)`FPC補(bǔ)強(qiáng)電器絕緣`碳膜印刷電路板`電腦鉆孔用墊`模具治具等（PCB測(cè)試架)并可在潮濕環(huán)境條件和變壓器油中使用。應(yīng)用甚為廣泛。
詳細(xì)介紹：
物性表 Properties of Materials
| 品 名 Grade
|
WS-CC |
WS-Tetoron |
WS-3753 | ||||
適用標(biāo)準(zhǔn) | JIS | _ |
|
| ||||
NEMA | _ |
| CEM-3 | |||||
材質(zhì) Base and resin
| 環(huán)氧樹(shù)脂 Epoxy resin
| 環(huán)氧樹(shù)脂 Epoxy resin
| 環(huán)氧樹(shù)脂 Epoxy resin
| |||||
試驗(yàn)項(xiàng)目 Testing item | 單位 Unit | 處理?xiàng)l件 Processing Condition | 碳纖維布 Carbon cloth | 聚脂布 Tetoron cloth | 玻璃纖維布 Glass fiber cloth | |||
平行層向擊穿電壓 Flatwise –with stand voltage
| kv/mm
| C-90/20/65 | - | 10 | - | |||
垂直層向擊穿電壓 Edgewise-withstand voltage
| kv | O-0.5/90
| - | 5 | - | |||
絕緣電阻 Insulation resistance
| 常態(tài) Normal condition
| MΩ
| C- 90/20/65
| - | 106-108 | - | ||
煮沸后 After boiling
| MΩ | C-90/20/65 +D-2/100 | - | 103-105 | - | |||
體積電阻系數(shù) Volume resistivity
| MΩ-cm | C- 90/20/65
| - | 107-109 | 108 | |||
表面電阻系數(shù) Surface resistivity
| MΩ
| C- 90/20/65
| - | 106-108 | - | |||
介電常數(shù)(1MHz) Dielectric constant
| ―
| C- 90/20/65
| - | 4．0-4．5 | - | |||
介電損耗 (1MHz) Dielectric loss tangent
| ―
| C- 90/20/65
| - | 0．030-0．040 | - | |||
耐電弧性 Arc resistance
| sec
| A | - | - | - | |||
耐電磨性 Tracking resistance
| V(CTI)
| A | - | - | - | |||
彎曲強(qiáng)度 Flexural strength
| 垂直層向 Perpendicular to laminae
| MPa
| A | 720-820 | 100-150 | 500 | ||
壓縮強(qiáng)度 Compressive strength
| 垂直層向 Perpendicular to laminae
| MPa
| A | 550-600 | 200-290 | - | ||
平行層向 Parallel to laminae
| MPa
| A | 360-420 | 100-150 | - | |||
抗張強(qiáng)度 Tensile strength
| MPa
| A | 550-600 | 100-130 | - | |||
楊氏模量 Young’s modulus
| MPa
| A | 88000-94000 | 490-780 | - | |||
粘結(jié)強(qiáng)度 Bonding strength
| kN
| A | 9．5-11．0 | 7．0-9．0 | - | |||
洛氏硬度測(cè)量 Rockwell hardness
| HR-R
| A | 120-125 | 118-122 | - | |||
埃左氏沖擊強(qiáng)度 Izod impact strength
| 平行層向 Parallel to laminae
| J/cm
| A | 3．0-3．5 | 0．8-1．2 | - | ||
加熱后外觀 Appearance after heating
| ℃/2hr
| A | 180 | 140 | 150 | |||
吸水率 (厚 1.0mm) Water absorption(Thickness 1.0mm)
| ％
| E -24/50 +D-24/23 | 0．05-0．15 | 0．15-0．35 | 0．1 | |||
比重 Specific gravity
| ―
| A | 1．55-1．65 | 1．3-1．4 | 1．9 | |||
熱膨脹系數(shù) Thermal expansion
| 垂直層向 Perpendicular to laminae
| 1/℃ |
RT~ 200℃ | - | 4．2×10-4 |
| ||
平行層向 Parallel to laminae
| 1/℃ | RT~ 200℃ | - |
|
| |||
耐燃性 Burning resistance
| UL-94法
| ―
| C-48/23/50 &E-168/70
|
|
| UL94V0 | ||
鐵路車輛燃燒試驗(yàn) Burning quality test for rolling stock
| ―
| A | ||||||
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