Storage of materials: Hm-11300a has water absorption. Please use it once or as soon as possible after opening. If there are any remaining storage drums, please keep them tightly closed and prevent moisture.The raw materials should be stored in a dry place, away from the source of fire.The recommended storage temperature is 20-30℃;If there is solidification phenomenon in winter, it only needs to be heated to more than 40℃ before normal use, without affecting product quality. Material handling guide: Hm-11300a is a nearly non-toxic material. When using this material, it is still necessary to wear protective duties and goggles to prevent unnecessary contact.If skin or eyes are touched, rinse the contact area with plenty of water as soon as possible and seek medical or healthcare treatment.