How is prepreg stored? How long is the shelf life?

Jiangyin Thousands Chemicals Co.

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Jiangyin Thousands Chemicals Co.

[Jiangsu,China]

Business Type:Agent , Distributor/Wholesaler

Main Markets: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide

Exporter:61% - 70%

Certs:ISO/TS16949, ISO10012, ISO13485, ISO9001, ISO9002, ACS, AZO Free

Jiangyin Thousands Chemicals Co.

Regardless of the type of prepreg, it should be stored in an environment of -18 ℃, such as an freezer or cold storage. To avoid moisture, the prepreg should be allowed to warm back to room temperature before opening the polyethylene bag (complete packaging may take 48 hours).

prepreg stored

Generally speaking, the shelf life of prepregs stored at -18 ℃ is 12 months from the date of manufacture. The label of the prepreg packaging box is printed with the shelf life at -18 ℃ and room temperature shelf life. The adhesive life and external life at 23 ℃ vary depending on the Resin and are specified in the relevant product data sheets.

definition

Shelf life: -18 ℃, maximum storage life in a sealed moisture-proof bag packaging state. The packaging label has an expiration date.

Adhesion life: The time during which the prepreg can maintain suitable adhesion at room temperature.

External lifespan: The maximum allowable accumulated time at room temperature between removal from the cold storage and curing.

Similar definitions

Storage life=operating life

Viscous life=operating life

External life=mechanical life

matters needing attention

Always support the prepreg through the axis.

Record the time when you are not in the cold storage.

After use, roll the prepreg tightly with tape to prevent wrinkling.

Seal the prepreg, place it in a box, and return it to the cold storage for storage.

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