General Productinformation Elastollan? 1185 A 10 FHF ?= registered trademark of BASF Polyurethanes GmbHCharacteristic: Halogen-free flame retardant, thermoplastic Polyether-Polyurethanewith outstanding hydrolysis resistance, low temperature flexibility and high resistance tomicro-organisms.
Injection moulding: When injecting the melt should be bubble and foam free, if not werecommend to adjust the drying temperature accordingly. Following temperatures are guide values, showing the tendency oftemperature profile. These may vary depending on kind of machine and mould design. Feeding [°C] Zone1 [°C] Zone2 [°C] Zone3 [°C] Zone4 [°C] Die [°C] Melt-temp [°C] Mould-temp. [°C] 40 205-215 210-220 215-225 215-225 220-230 215-225 20-40 General Recommendations: Circumferential speed (screw speed) <0,2 m/s | 12 m/min Specific back pressure 50-150 bar Injection speed rel. low Retention time of melt (including hot-runner) <10 min Screw speed dscrew[mm] 30 45 50 60 nmax[min-1]135 85 70 60 Machine Design: The injection moulding machines with single-flighted, 3-zone scewsare suitable for the processing of Elastollan? 1185 A 10 FHF 000. Short compression-zone scews are not suitable.The compression ratio should be around 1:2 and should not exceed 1:3. A check ring (shut-off ring) shouldbe incorporated
TPU(ThermoplasticPolyurethane热塑性聚胺基甲酸酯)，具有黏性与弹性的特征，在成型时，薄膜会黏在一起及收缩，使卷曲不平整。TPU膜于生产过程中易产生晶点，而加工技术可解决这些问题可选择透湿或不透湿等级。具耐磨、抗撕裂性佳、弯曲强度佳、抗张强度大、断裂延伸率大、耐低温(-50℃)、长期压缩变形率低、耐油、耐脂肪族溶剂、耐碳氢溶剂、对氧及臭气具有抵抗性、耐老化特性。单层TPU吹膜加工技术。