Ⅰ.Technical Index：

（1）Appearance；translucent light yellow viscous liquid

（2）Solid Content（%）：40±2

（3）Viscosity（cps/25℃）：12-18万

（4）Solvent：DMF、MEK

Ⅱ.Effect Overview（purpose）：

（1）Can be used for pasting microfiber, small impregnation, etc；

（2）Strong adhesion；

（3）Good initial viscosity；

（4）Has good hydrolysis resistance；

Ⅲ.Recommended Processing Technology：

（1）YNK-2140B  100Copies

（2）DMF  10-30Copies

（3）MEK  10-30Copies

Ⅳ.Precautions：

（1）Do not mix water vapor in use；

（2）This product is stored at 5 ℃ -35 ℃, in a cool and dry place, protected from sun and rain, and sealed immediately after use；

（3）The prepared slurry shall be used within 24h and shall be stirred again before use；

（4）A large amount of A75L will lead to a hard handle, and the increase of visibility and adhesion will be accelerated during use. Please test the best addition ratio by yourself.

Disclaimer：the indicators and suggestions involved in this manual are provided according to the characteristics of the product. Due to the differences in raw materials and production process conditions of customers, it needs to be adjusted according to the actual production situation. Please do a sample test before mass production to determine the availability of materials, otherwise our company will not bear the quality responsibility arising therefrom.

1st Edition 2021