Ink Varnish

Water-based mobile phone cover white ink, bright and high hardness, halogen-free

Features ：

The ink layer is bright, the ink is fine and uniform, the fluidity is good, the fineness is uniform, the meshing and leveling are good, the cured coating has excellent adhesion, good light transmittance, and the coating film has high hardness and good Water resistance, weather resistance, oil resistance, solvent resistance, chemical resistance and other solvents.

Uses: It is suitable for touch screens of many electronic products, such as mobile phones, tablet computers, navigators, notebook mice, etc. using glass and tempered glass materials, and also suitable for some reinforced materials, with good coverage, good chroma, and excellent printing adaptability. , for halogen-free products.

technical parameter

adhesion	Libai grid knife is 1mm1mm100 grids, 3M tape is pulled 5 times, no falling off
fineness	With scraper fineness meter, scraper measurement ≤6um
hardness	With a Mitsubishi pencil at an angle of 45 degrees, the force is 500 grams for 3 consecutive measurements, no obvious traces, ≥3H
Pouring resistance	Immerse in 100°C deionized water for 2 hours. No foaming, no wrinkling, 100 grid test OK
Acid resistance	Immerse in 5% dilute sulfuric acid solution for 24 hours (25°C). No foaming, no wrinkling, 100 grid test OK
Alkali resistance	Immerse in 5% NaOH solution for 24 hours (25°C). No foaming, no wrinkling, 100 grid test OK
Solvent resistance	A cotton flannel cloth dipped in analytically pure butanone was coated with a 1kg weight and rubbed back and forth for 100 times. No fading, no fading

Reference recipe

ink	SF-1801B	Albic	WH-1940	SF-2598	AF-5157	Coupling agent (extra)
percentage	43.5	40	6	8	2.5	4
Albic	SF-1801B	R209	R972	AF-1803	White water proof
percentage	30	59	1	2	8

Construction points
Pre-construction treatment: ensure the cleanliness of the glass surface and no oil stains.
Construction method: mesh 350~420 mesh screen, screen printing.
Drying time: Bake at 140-190 degrees for 30 minutes.
Dilution ratio: 5-10% (water).

Storage: Store in a cool place in the warehouse and seal it after use.

Disclaimer: The information listed in this document is obtained by testing and is for reference only, not for guarantee purposes. Please confirm the test before use, and formulate appropriate production process and operation test to ensure the best and stable quality of the product.