Polyamide resin, commonly known as nylon. Is a polyacid and polyamine condensation reaction. Polyamide resins are reactive and non-reactive. The reaction type is liquid or semi-solid, and the second material (bisphenol A epoxy resin) must be added in order to become a solid non-reactive thermoplastic resin that can form a film on its own.
Non-reactive polyamine resins are mainly used in the manufacture of printing inks. It is used to formulate solvent-based flexible letterpress inks and photogravure inks for printing plastic films, which have the advantages of strong adhesion, good dryness, etc. The disadvantages are high cost and poor solubility.
Most polyamide resins are insoluble in ethanol and must be fully dissolved with a mixture of toluene, isopropyl alcohol, and ethanol. Alcohol-soluble polyacrylic resin, the appearance of light yellow, bright and transparent, acid value is less than 6, the amine is less than 5, ring and ball softening point 107 ± 3 °C, with 30% alcohol, ester mixed solution, stirring at room temperature for 2 hours to dissolve . Viscosity 25 to 50 centipoise (25 °C) for 24 hours without freezing, suitable for rapid gravure and flexo.
Reprinted from: Ink Information
Tattoo Machine is a hand-held device generally used to create a tattoo, a permanent marking of the skin
with indelible ink. Modern tattoo machines use electromagnetic coils to move an armature bar up and down,
Connected to said armature bar is a barred needle grouping that pushes ink into the skin. Tattoo artists generally
use the term "machine", or even "iron", to refer to their equipment. The word "gun" is often used but many
tattoo professionals dislike it. Then there are the Tattoo machines which are available at the numerous Tattoo
Supplies stores. These are also known as Tattoo Guns. There is a vast selection of stylish tattoo guns which are
made out of Iron, Copper steel and Top carbon steel and they are designed for lines and shading of the intricate
design on the Tattoo. Then you get the Tattoo Needles of different sizes and shapes enclosed in individual
envelopes.They carry nearly everything a tattoo operation demands or even needs as well at truly competitive prices
for quality items.
Tattoo Machine, Custom Tattoo Machine, Rotary Tattoo Machine, Homemade Tattoo Machine, Brass Tattoo Machines, Cheap Tattoo Machine
Amztatto Supply Co., Ltd. , https://www.amztatto.com