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GB | ISO | ASTM | 标准名称 |
GB/T 1633 | ISO 306(E):2013 | ASTM D1525 | 维卡软化温度(VST)的测定 Plastics – Thermoplastic materials – Determination of Vicat softening temperature (VST) |
GB/T 1634.1 | ISO 75-1:2003, IDT | ASTM D648 | 塑料 负荷变形温度测定(通用试验方法) 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 负荷变形温度测定(塑料、硬橡胶和长纤维增强复合材料) 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 负荷变形温度测定(高强度热固性层压材料) Plastics – Determination of temperature of deflection under load – Part 3: High-strength thermosetting laminates |
GB/T 8802 | ISO 2507:1995 | 热塑性塑料管材、管件维卡软化温度的测定 Determination of softening temperature of vika of thermoplastic pipes and fittings |
温度控制范围 | RT—300℃ | ||
升温速率 | (120±10)℃/h (12±1)℃/6min (50±5)℃/h (5±0.5)℃/6min | ||
温度示值误差 | 0.1℃ | ||
实验架个数 | 3个 | ||
形变示值误差 | ±0.001mm | ||
变形测量范围 | 0—1.5mm | ||
试样架自身热膨胀系数 | <0.005mm/100℃ | ||
形变测量量具 | 高精度数显千分表 | ||
试样支承跨距 | 64mm或100mm | ||
负载杆及托盘质量 | 68g | ||
加热介质 | 甲基硅油(运动粘度一般选择200厘斯)或变压器油 | ||
冷却方式 | 150以上自然冷却,150以下水冷或自然冷却 | ||
加热功率 | 4kW | ||
仪器尺寸 | 540mm×520mm×970mm | ||
砝码 | A码 | 1000g | 12个 |
B码 | 900g | 3个 | |
C码 | 500g | 3个 | |
D码 | 200g | 6个 | |
E码 | 100g | 3个 | |
F码 | 50g | 3个 | |
G码 | 20g | 6个 | |
H码 | 10g | 3个 | |
I码 | 5g | 3个 | |
T码 | 2g | 6个 | |
W码 | 60g(负载杆) | 3个 |