3248環(huan)氧玻璃布(bu)層(ceng)壓板

3248環(huan)氧玻璃布(bu)層(ceng)壓板的(de)顏(yan)色(se)為(wei)淡青色(se)或淺(qian)褐(he)色(se)。 層(ceng)壓板表面平(ping)整(zheng)、無氣(qi)泡、麻坑和皺紋，允許(xu)有不影(ying)響(xiang)使(shi)用的(de)其(qi)他(ta)缺陷(xian)，如(ru)：擦傷(shang)、壓痕、汙點(dian)，及少量斑(ban)點(dian)。邊緣應切割(ge)整(zheng)齊，端面(mian)不得有分層(ceng)和裂紋。2、2 主(zhu)要(yao)性(xing)能指標 Main property indication序(xu) 號(hao)No.項 目(mu)Item單 位Unit試驗(yan)方(fang)法Testing Method指(zhi) 標Indication物(wu) 理(li) 性(xing) 能 Physical Properties1 密度Density g/cm3 GB/T5130 ≥1.82 玻璃纖維含(han)量(liang)Glass Fibre Content% —— ≥603 吸(xi)水性(xing)（10mm）Water Obsorptionmg GB/T5130 ≤344 熱膨脹(zhang)系(xi)數Thermal Expansion Coefficient1/℃ GB/T1036 11.1×10-65 導熱系(xi)數Coefficient of Heat Conductivityw/m.k —— 0.46機(ji) 械 性(xing) 能 Mechanical Properties6 垂直層(ceng)向(xiang)彎(wan)曲強度(du)Flexural Strengthat perpendicular to lamination常(chang)態(tai)（23+2）℃Under normalMPa GB/T5130 ≥410熱態(tai)（150+5）℃At heatMPa ≥2407 彎(wan)曲彈性(xing)模量(liang)Modulus of Elasticity in FlexureMPa ≥249008 壓縮強度(du)Compressive strength垂直層(ceng)向(xiang)At perdicular laminationMPa ≥350平(ping)行(xing)層(ceng)向(xiang)At parallel to laminationMPa ≥2009 拉(la)伸(shen)強度(du)Tensile strength 縱(zong)向Lengthwise MPa ≥314橫(heng)向Crosswise ≥30010 沖(chong)擊強度(du)（簡(jian)支梁）Impact strength charp（無缺口(kou)）No notch縱(zong)向Lengthwise kJ/ m2 ≥160橫(heng)向Crosswise ≥120（缺口(kou)）Notched縱(zong)向Lengthwise ≥40橫(heng)向Crosswise11 粘合強度(du) Bonding strength N Q/JBQP51 ≥766012 平(ping)行(xing)層(ceng)向(xiang)剪切(qie)強度(du)Shear strength at parallel to laminationMPa GB/T5130 ≥3013 洛(luo)氏(shi)硬度 Rochwell strength HRM GB/T9342 ≥115電(dian) 氣(qi) 性(xing) 能 Dielectric Properties絕緣電阻(zu)InsulationResistance常(chang)態(tai)下(xia) Under normal MΩ GB/T5130 ≥1.0×106浸(jin)水(shui)(24+1)h後After Immersion for24+1h≥5.0×104電(dian)氣(qi)強度(du)（於90℃+2℃變壓器(qi)油(you)中(zhong)1min）Dielectric strength in transformer oil at 90℃ for 1 minkv/mm ≥14.2平行(xing)層(ceng)向(xiang)耐(nai)電(dian)壓（於90℃+2℃變壓器(qi)油(you)中(zhong)1min）Proof voltage in transformer oil at 90℃ for 1 min≤194 KV ≥45介(jie)質損耗因(yin)數(shu)（於浸(jin)水(shui)後，1MHz時(shi)）Dielectric loss factor after immersion at 1MHz≤0.04介(jie)質常(chang)數（於浸(jin)水(shui)後，1MHz時(shi)）Dielectric loss Constant after immersion at 1MHz≤5.5表面電(dian)阻(zu)率Surface Resistivity常(chang)態(tai)Under normal MΩ GB/T1410 ≥1.0×107浸(jin)水(shui)（23+2℃/24h）After Immersion of 23+2℃ for 24th≥1.0×105體(ti)積(ji)電阻率Volume Resistivity常(chang)態(tai) Under normal MΩ.m ≥1.0×105浸(jin)水(shui)（23+2℃/24h）After Immersion of 23+2℃ for 24th≥1.0×103相比電(dian)痕(hen)化指數(shu)Comparative Trackling IndexGB/T4207 ≥200耐 熱 性(xing) 能 Thermal Properties玻璃化轉變溫度(du)TgGlass Transition Temperature℃ IEC61006 ≥172熱壓收縮率(lv)Reduction rate of Heat press% 參(can)考ASTMD621 ≤0.40溫度(du)指數(shu) Thermal Index GB/T11026.1 ≥155