1. Does the toughening agent have a shelf life?
Toughening agent is a chemical additive that is added to plastics to improve the toughness of plastics and is used as a chemical material. , Toughening agents also have a shelf life.
There are many toughener products on the market. Different types of tougheners have different shelf lives. The shelf life of most tougheners is about one year. If you have started using them, they will last within 6 months. It is advisable to use it internally; some tougheners have a shelf life of up to two to three years. For details, you can check the product packaging or ask the merchant.
2. Can expired tougheners still be used?
Tougheners have a shelf life. It is generally not recommended to continue using expired tougheners. .
Expired toughening agents will become ineffective and will not have a good toughening effect when added to plastics. They will also affect the toughness of modified plastics and cause waste, so they are not recommended for use; generally expired toughening agents Toughening agents can be recycled by contacting a specialized chemical raw material recycling company. Do not discard or incinerate them directly to avoid environmental pollution.
3. How to store toughening agent
Toughening The shelf life of the agent is not too long. During the shelf life, you must also pay attention to the correct storage and storage methods:
Generally, toughening agents are required to be stored in a special dry warehouse to avoid moisture, contamination, and direct sunlight. , and be careful to keep away from fire sources (generally no baking moisture is required, if necessary, it is recommended to bake the material at 60~70℃ for 2 hours).
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