As a Chinese fountain pen faucet, Hero's ink products also exist in the memories of many Chinese, but Hero brand ink has nothing to do with Hero Pen Factory, but is OEM produced by Shanghai Ink Factory.
 
Shanghai Ink Factory was founded in 1927 and merged with Shanghai Great Wall Fine Chemical Factory in 1995, with two main brands: "Hero" ink and "Great Wall" glue. Hero brand ink has gained a high market share in China by virtue of the high popularity of fountain pens, and the limelight is even more than that of the pure ink brand Ostrich. Although there are many hero ink product lines, the differentiation is not high, and the dominance of the market mainly depends on the 23X series.
 
The most noteworthy thing about the 23X series is the 234 carbon ink that has been sealed as the "king of plugging". As a non-nano carbon ink, the 234 pen used for the ink supply system is not lubricated enough to clog, but this is no different compared to other ordinary carbon inks, 234 is blocked "king of blocking", just because it sells best in the Chinese market. The blackness is undeniable, but like many other hero inks, a gum-like substance with the addition of a resistant, viscous texture that hangs easily inside the capillary system, preventing ink erosion, but also exacerbating clogging to some extent.
 
The reason why it is necessary to prevent erosion is because the hero ink is more corrosive, and the pH value of pure blue and blue black ink is lower than 2, which should be a neutral carbon ink, because of the addition of more acidic additives, the pH value is also as low as 4, and the safety is poor. 56ml sells for 12 yuan, which is not as cost-effective as an ostrich.
 
Hero ink as a pen accessories, nearly 10 series are only black, red, blue, blue-black basic color, although color ink is also involved, but only 9008 series and 71 series a total of 12 colors, the same has the disadvantages of hurting the pen, the paper is powerful, 20ml sells for 15 yuan.