torage: HM-140 is water-absorbing. Once unsealed, it should be used up once or as soon as possible. The remaining material should be kept in a tightened barrel to avoid moisture for moisture can affect the physical property of the product made from it. Therefore, it should be stored in dry places and away from fire. The recommended storage temperature is between 0℃ to 50℃. Material handling guide: HM-140 is non-toxic and does no harm to the users. In spite of this, basic protection equipments are necessary when using this material. Users need to wear protective clothes and goggles to avoid unnecessary contacts with the material. If there is any contact with skin or eyes, the contact position should be rinsed with plenty of water as immediately. Consult a doctor for proper treatment as soon as possible. Main usage: Polyurethane adhesives Precautions: The above statistics are verified by rigorous experiments. However, as our company does not have knowledge of detailed production data of any user's, we cannot guarantee that it is applicable to all users' products. Users need to have pre-experiment to determine its applicability.