The adhesive system using the Prefere 5219 is especially designed for flooring / parquet, veneering as well as doors & board-on-frame applications but can also be used for a wide range of other applications within the wood industry.
The choice of hardener for Prefere 4114 depends on operating conditions, such as requirements on glue mix pot life and reactivity.
However, even other factors may affect the choice of hardener, for example the glue ability of the material, environmental requirements and special operating conditions (e.g. automatic adhesive/hardener mixer, equipment for separate application, radio frequency heating), etc.
The wood to be bonded must be of uniform thickness. The surfaces must be free from oil, fat, dust or other deposits.
The adhesive system gives the highest bond strength when the moisture content of the wood is 4-8%. Acceptable bond strength can still be obtained at even higher moisture content.
The hardeners are mixed with Prefere 4114 in a ratio of 100:20 parts by weight (pbw).
Under no circumstances should the hardeners be stored at temperatures below 10°C. It is also recommended to store the hardeners below 20°C. Higher storage temperatures may reduce the shelf life of the product.
Storage temperatures above 25°C are not recommended.
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