性能指标固含量≥50%，拉伸强度≥1.2MPa，断裂伸长率≥300%。粘结强度（与金属）≥0.5MPa，耐热度80℃/5h无流淌，低温柔性-15℃无裂纹。不透水性0.2MPa/30min不渗漏，表干时间23℃约4小时。产品特点...