Lub hauv paus ntsiab lus ntawm kev sau ntawv ntawm tus cwj mem ballpoint yog tsuas yog siv kev sib cuag ncaj qha ntawm lub pob thiab daim ntawv saum npoo los tsim kev sib txhuam thaum sau ntawv, kom lub pob yob nyob rau hauv lub rooj zaum pob, thiab tus number case los yog number case nyob rau hauv lub refill yog nqa tawm kom tiav. lub hom phiaj ntawm kev sau ntawv.
Tus cwj mem ballpoint yog tus cwj mem uas sau nrog tus cwj mem thiab xim sib txawv. Lub nib ntawm tus cwj mem yog ib lub pob hlau me me. Lub pob hlau me me tau muab tso rau hauv ib lub tais me me cylindrical tooj liab, thiab tom qab ntawd txuas nrog lub raj yas ntim nrog tus cwj mem. Tus cwj mem ntws los nrog kev sib hloov ntawm lub pob steel.
Cov pigments nyob rau hauv ballpoint cwj mem inks yog dyes. Ink xim yog xiav, liab thiab dub, ntawm cov xim xiav yog feem ntau siv. Yav dhau los, cov xim xim hauv cov xim xiav yog ntsev -raws li huab tais xiav thiab ntsev-raws li xiav lotus, thiab cov kuab tshuaj yog oxidized castor roj thiab ricinoleic acid. Vim tias qhov yooj yim dyes tsis yog lub teeb nrawm (lub teeb ceev tsuas yog qib 1-2), tsis kub resistant, tsis acid thiab alkali resistant, yog li lub durability tsis zoo thiab raug tshem tawm.
The "424" blue ballpoint pen and "322" black ballpoint pen sold on the market have better handwriting durability. There are frequent reports that scented ballpoint pens are poisonous. The volatile organic compounds contained in inferior scented stationery are toxic and cause certain damage to the human body; however, there have been no incidents of poisoning caused by the normal use of oil-based ballpoint pens without volatile organic compounds.
Cov qauv tseem ceeb ntawm tus cwj mem ballpoint yog cov kab hniav sab saud thiab sab qis, cov hniav sab sauv yog nias los ntawm tes, thiab cov hniav sab hauv tuaj yeem tig sab hauv. Lub meshing ntawm cov hniav sab sauv thiab sab qis yog tsis tiav, tsuas yog cov hniav ntawm cov hniav yog ib feem, thiab cov lus qhia tav qab ntawm ob tug hniav sib koom yog tsim los rau swb nyob rau hauv tib txoj kev qhia zawj, thiab cov hniav hauv qab yog thawb los ntawm. tus hniav sab sauv. Tom qab qhov zawj, vim qhov kev txiav txim ntawm lub caij nplooj ntoos hlav, cov hniav ntawm cov hniav hauv qab yuav swb raws li qhov chaw ntawm cov hniav ntawm cov hniav meshing sab sauv kab, yog li ntawd nyob rau hauv qhov kev txiav txim ntawm inclined nto, cov hniav hauv qab yuav. tig lub kaum sab xis thiab xaub mus rau sab nraud Mus, nws yog nias, thiab lub luag haujlwm ntawm tus cwj mem ballpoint tuaj yeem pom tau los ntawm kev rov ua qhov no.
