揉搓试验仪是一款专业设备,用于评估各种薄膜、复合膜、涂层膜等材料的抗揉搓性能,尤其在无菌医疗器械包装的软性屏障膜抗揉搓性实验中发挥着重要作用。该设备能够模拟薄膜在生产、加工、运输等过程中可能遭遇的揉搓、折压损伤,通过检测试样揉搓前后的针孔数量变化或阻隔性能变化,为包装设计与实际应用提供科学、量化的依据。
定义
揉搓试验仪是用于评估柔性包装材料(如复合膜、涂层膜等)抗揉搓性能的专业检测设备,通过模拟材料在运输、加工过程中的机械应力作用,测定其针孔率、阻隔性能等指标的变化,为包装材料的耐久性提供量化依据。
测试标准
揉搓试验仪严格遵循以下国内外标准进行测试:
GB/T 41347-2022:柔性包装材料耐揉搓性能的测试方法
YY/T 0681.12-2014:无菌医疗器械包装实验方法第12部分:软性屏障膜抗揉搓性
GB/T 40266-2021:食品包装用氧化物阻隔透明塑料复合膜、袋质量通则
ASTM F392:"Flex durability of flexible barrier materials"(柔性屏障材料的柔韧性耐久性)
规格参数
揉搓频率:45次/分钟
拉压力:450N
旋转扭矩:3.5Nm
揉搓角度:440°(90mm)或400°(80mm)
水平行程:155mm或80mm
工位数量:3/4可选
试样尺寸:280mm*200mm
系统组成
核心模块
多工位揉搓头
动态力值传感系统
试样固定夹具
智能控制系统
工业PLC+7英寸触摸屏
预设5种标准模式
应用领域
医药包装
无菌医疗器械软性屏障膜验证
药品铝塑复合膜运输模拟测试
透析袋抗疲劳性能评估
食品包装
高阻隔镀铝膜耐久性检测
易撕膜结构完整性验证
保鲜膜反复揉搓后透氧率变化
质量监控
包装材料供应商准入测试
生产工艺参数优化(如热封温度)
货架期模拟后包装性能评估
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