Polypropylene is used instead of polystyrene because it absorbs impact better, reducing the chance of the pen cracking or splitting if it is dropped onto the cap. A week or so ago, I bought a pack of Bic Cristal pens in all different colors, and part of the reason these caught my eye was that they were 1. Its hexagonal form and design mimics a standard pencil and it is sold in six types of point and 18 colours around the world. Purple, pink, turquoise, and lime's ink reservoirs are opaque white so remaining ink level is not visible on them. The design hasn’t changed much in the nearly 70 years this pen has been in existence, and the history of the Bic Cristal makes for fascinating reading.

Finally, if the Bic Cristal interests you from a design or historical perspective, both Philip Hensher's The Missing Inkand James Ward's The Perfection of the Paper Clipdiscuss the history and development of the Bic ballpoint pen in some detail (as well as diving deep into other aspects of stationery minutiae). mm tip is laying down more ink pigment on the page, it does make me wonder if this is a new or special formulation of ink. I have all the reds blues and blacks I could ever use but my work requires these odd green and purple.

Response Strategies of Haco Industries Kenya Limited to the Challenges of Counterfeit Products in East Africa" (PDF). In September 2006, the Bic Cristal was declared the best selling pen in the world after the 100 billionth was sold. You'll find all your computing needs including Laptops and Desktop Computers as well as Computer Monitors and Accessories. This site is registered and owned by Staples inc in the USA and operated in the UK under license to Banner Group Limited. There are minor blobs once in a while but they don't seem to mar the overall look to any great extent, maybe because the line itself is just so wide that the blob is not that much larger than the line it's a part of, as a percentage.

These might not be the best ballpoint ink pens ever, but where the intersection meets with disposable pens they are the best. It was introduced in 1950 and is the best-selling pen in the world, with the 100 billionth sold in September 2006. million USD at 2009 exchange rate) to fake copies, forcing them to negotiate cheaper licensing from Bic. The pens' ink color has many different varieties, ranging from the 'classic' colors (blue, black, red, and green), to pink and purple.

The thick ink flows down due to capillary action from the tube inside the barrel, to feed the ball bearing, which spins freely within a brass tip. Though ballpoint ink is never going to be as dark as gel, liquid rollerball, or most other types of ink, Bic's formulation is among the best.