HY4320D HDT/Vicat Tester is used to determine the heat distortion temperature (HDT) and Vicat softening point of plastic materials. It is widely suitable for plastic, hard rubber, nylon, electrical insulating materials, long fiber reinforced composite materials, high strength thermosetting lamination materials and other non-metallic materials. This instrument complies with the following international and industry standards. ISO: ISO 2507. ASTM: ASTM D1525. GB/T: GB/T 8802. 3 or 4 or 6 or customized working positions can be chosen. With automatic lifting function (for HY4320D). It adopts displacement sensor system. Technical Specification Model: HY4320D Temperature range: RT~300℃Heating speed120℃/h [(12±1)℃/6min]50℃/h [(5±0.5)℃/6min]Max. temperature error ±0.5℃Distortion range -0.1~1.1mmMax. distortion error0.01mmSample support span64mm, 100mm Working position: 3 (4 or 6 optional)Heating medium Methyl silicone oil or transformer oilCooling method Below 150℃: water cooling or natural coolingOver 150℃: natural cooling Dimensions: HY4320C810mm×470mm×780mmHY4320D880mm×580mm×1400mm Power supply: AC220V, 50Hz, 2500w