PC塑膠原料通稱聚碳酸酯,聚碳酸酯英文名稱為Polycarbonate,簡稱PC,它是一類分子鏈中含有碳酸酯結(jié)構(gòu)的高分子化合物及以它為基礎(chǔ)而制得的各種材料的總稱。按分子結(jié)構(gòu)中所帶酯基不同可以分為脂肪族、脂環(huán)族、芳香族和脂肪-芳香族等幾大類。并以雙酚A型聚碳酸脂為zui重要,分子量通常為3-10萬。在無特別說明情況下,通常所說的聚碳酸脂都指雙酚A型聚碳酸酯及其改性品種。由于其優(yōu)良的機(jī)械性能,俗稱防彈膠。為非結(jié)晶性熱塑性塑料1、具高強(qiáng)度及彈性系數(shù)、高沖擊強(qiáng)度、使用溫度范圍廣。2、高度透明性及自由染色性。3、H.D.T.高。4、電氣特性優(yōu)。5、無味無臭對人體無害符合衛(wèi)生安全。6、成形收縮率低、尺寸安定性良好 。電子電器:CD片、開關(guān)、家電外殼、信號筒、機(jī)。汽 車: 保險桿、分電盤、安全玻璃。工業(yè)零件:照相機(jī)本體、機(jī)具外殼、安全帽、潛水鏡、安全鏡片。耐熱,抗沖擊,阻燃,在普通使用溫度內(nèi)都有良好的機(jī)械性能。同性能接近聚甲基丙烯酸甲酯相比,聚碳酸酯的耐沖擊性能好,折射率高,加工性 能好,不需要添加劑就具有UL94 V-0級阻燃性能。但是聚甲基丙烯酸甲酯相對聚碳酸酯價格較低,并可通過本體聚合的方法生產(chǎn)大型的器件。隨著聚碳酸酯生產(chǎn)規(guī)模的日益擴(kuò)大,聚碳酸酯同聚甲 基丙烯酸甲酯之間的價格差異在日益縮小。聚碳酸酯的耐磨性差。一些用于易磨損用途的聚碳酸酯器件需要對表面進(jìn)行特殊處理。
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| 產(chǎn)品說明 | |
| Improved flow PC with excellent processability and mold release. | |
| 總體 | |
| 材料狀態(tài) | 已商用:當(dāng)前有效 |
| 資料 1 | Technical Datasheet |
| 搜索 UL 黃卡 | SABIC Innovative Plastics Asia PacificLEXAN™ |
| 供貨地區(qū) | 亞太地區(qū) |
| 添加劑 | 脫模 |
| 性能特點 | 可加工性,良好良好的流動性 |
| 加工方法 | 注射成型 |
| 物理性能 | 額定值 | 單位制 | 測試方法 |
| 比重 | 1.20 | g/cm3 | ASTM D792, ISO 1183 |
| 熔流率 (300°C/1.2 kg) | 20 | g/10 min | ASTM D1238 |
| 溶化體積流率(MVR) (220°C/5.0 kg) | 18.6 | cm3/10min | ISO 1133 |
| 收縮率 - 流動 (3.20 mm) | 0.40 到 0.80 | % | Internal Method |
| 吸水率 | ISO 62 | ||
| 飽和, 23°C | 0.35 | % | |
| 平衡, 23°C, 50% RH | 0.15 | % |
| 機(jī)械性能 | 額定值 | 單位制 | 測試方法 |
| 拉伸模量 | |||
| -- 2 | 2320 | MPa | ASTM D638 |
| -- | 2450 | MPa | ISO 527-2/1 |
| 抗張強(qiáng)度 | |||
| 屈服 3 | 60.0 | MPa | ASTM D638 |
| 屈服 | 60.0 | MPa | ISO 527-2/50 |
| 斷裂 3 | 60.0 | MPa | ASTM D638 |
| 斷裂 | 59.0 | MPa | ISO 527-2/50 |
| 伸長率 | |||
| 屈服 3 | 6.0 | % | ASTM D638 |
| 屈服 | 6.0 | % | ISO 527-2/50 |
| 斷裂 3 | 120 | % | ASTM D638 |
| 斷裂 | 120 | % | ISO 527-2/50 |
| 彎曲模量 | |||
| 50.0 mm 跨距 4 | 2360 | MPa | ASTM D790 |
| -- 5 | 2310 | MPa | ISO 178 |
| 彎曲強(qiáng)度 | |||
| -- 5, 6 | 71.0 | MPa | ISO 178 |
| 屈服, 50.0 mm 跨距 4 | 96.0 | MPa | ASTM D790 |
| 沖擊性能 | 額定值 | 單位制 | 測試方法 |
| 簡支梁缺口沖擊強(qiáng)度 7 | ISO 179/1eA | ||
| -30°C | 12 | kJ/m2 | |
| 23°C | 65 | kJ/m2 | |
| 簡支梁缺口沖擊強(qiáng)度 7 | ISO 179/1eU | ||
| -30°C | 無斷裂 | ||
| 23°C | 無斷裂 | ||
| 懸壁梁缺口沖擊強(qiáng)度 | |||
| -30°C | 240 | J/m | ASTM D256 |
| 23°C | 830 | J/m | ASTM D256 |
| -30°C 8 | 11 | kJ/m2 | ISO 180/1A |
| 23°C 8 | 65 | kJ/m2 | ISO 180/1A |
| 無缺口伊佐德沖擊強(qiáng)度 8 | ISO 180/1U | ||
| -30°C | 無斷裂 | ||
| 23°C | 無斷裂 | ||
| 裝有測量儀表的落鏢沖擊 (23°C, Total Energy) | 72.0 | J | ASTM D3763 |
| 熱性能 | 額定值 | 單位制 | 測試方法 |
| 熱變形溫度 | |||
| 1.8 MPa, 未退火, 3.20 mm | 128 | °C | ASTM D648 |
| 1.8 MPa, 未退火, 6.40 mm | 129 | °C | ASTM D648 |
| 1.8 MPa, 未退火, 64.0 mm 跨距 9 | 122 | °C | ISO 75-2/Af |
| 維卡軟化溫度 | |||
| -- | 141 | °C | ASTM D1525 10, ISO 306/B50 10 |
| -- | 140 | °C | ISO 306/B120 |
| 線形膨脹系數(shù) | ASTM E831, ISO 11359-2 | ||
| 流動: -40 到 40°C | 0.000060 | cm/cm/°C | |
| 橫向: -40 到 40°C | 0.000060 | cm/cm/°C |
| 注射 | 額定值 | 單位制 | |
| 干燥溫度 | 121 | °C | |
| 干燥時間 | 3.0 到 4.0 | hr | |
| 干燥時間,zui大 | 48 | hr | |
| 建議的zui大水分含量 | 0.020 | % | |
| 建議注入量 | 40 到 60 | % | |
| 螺筒后部溫度 | 271 到 293 | °C | |
| 螺筒中部溫度 | 282 到 304 | °C | |
| 螺筒前部溫度 | 293 到 316 | °C | |
| 射嘴溫度 | 288 到 310 | °C | |
| 加工(熔體)溫度 | 293 到 316 | °C | |
| 模具溫度 | 71.1 到 93.3 | °C | |
| 背壓 | 0.345 到 0.689 | MPa | |
| 螺桿轉(zhuǎn)速 | 40 到 70 | rpm | |
| 排氣孔深度 | 0.025 到 0.076 | mm |
:何生
:86-
傳真號碼:86-
地址:廣東 東莞市
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