| 摘要 |
A marking element for use in conjunction with a product which needs to be maintained under a pre-determined temperature condition. The marking element comprises a fusible material which flows above the predefined temperature and which comprises polycaprolactone triol, polyethylene glycol C1-4 alkyl ether, polyethylene glycol, or polyvinyl alcohol, and an indicator system which upon fusion of said material causes a physically detectable change to be produced. |
