DM-5006熱變形、維卡軟化點測定儀概述該機主要用于非金屬材料如塑料、橡膠、尼龍、電絕緣材料等的熱變形溫度及維卡軟化點溫度的測定
GB | ISO | ASTM | 標準名稱 |
GB/T 1633 | ISO 306(E):2013 | ASTM D1525 | 維卡軟化溫度(VST)的測定 Plastics – Thermoplastic materials – Determination of Vicat softening temperature (VST) |
GB/T 1634.1 | ISO 75-1:2003, IDT | ASTM D648 | 塑料 負荷變形溫度測定(通用試驗方法) Plastics – Determination of temperature of deflection under load – Part 1: General test method |
GB/T 1634.2 | ISO 75-2:2003, IDT | ASTM D648 | 塑料 負荷變形溫度測定(塑料、硬橡膠和長纖維增強復合材料) Plastics – Determination of temperature of deflection under load – Part 2: Plastics, ebonite and long-fibre-reinforced composites |
GB/T 1634.3 | ISO 75-3:2003, IDT | ASTM D648 | 塑料 負荷變形溫度測定(高強度熱固性層壓材料) Plastics – Determination of temperature of deflection under load – Part 3: High-strength thermosetting laminates |
GB/T 8802 | ISO 2507:1995 | 熱塑性塑料管材、管件維卡軟化溫度的測定 Determination of softening temperature of vika of thermoplastic pipes and fittings |
溫度控制范圍 | RT—300℃ | ||
升溫速率 | (120±10)℃/h (12±1)℃/6min (50±5)℃/h (5±0.5)℃/6min | ||
溫度示值誤差 | 0.1℃ | ||
實驗架個數 | 3個 | ||
形變示值誤差 | ±0.001mm | ||
變形測量范圍 | 0—1.5mm | ||
試樣架自身熱膨脹系數 | <0.005mm/100℃ | ||
形變測量量具 | 高精度數顯千分表 | ||
試樣支承跨距 | 64mm或100mm | ||
負載桿及托盤質量 | 68g | ||
加熱介質 | 甲基硅油(運動粘度一般選擇200厘斯)或變壓器油 | ||
冷卻方式 | 150以上自然冷卻,150以下水冷或自然冷卻 | ||
加熱功率 | 4kW | ||
儀器尺寸 | 540mm×520mm×970mm | ||
砝碼 | A碼 | 1000g | 12個 |
B碼 | 900g | 3個 | |
C碼 | 500g | 3個 | |
D碼 | 200g | 6個 | |
E碼 | 100g | 3個 | |
F碼 | 50g | 3個 | |
G碼 | 20g | 6個 | |
H碼 | 10g | 3個 | |
I碼 | 5g | 3個 | |
T碼 | 2g | 6個 | |
W碼 | 60g(負載桿) | 3個 |
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