Phosphite yog tsim nyob rau ntawm qhov kub. Graphite feem ntau pom nyob rau hauv marble, qauv lossis gneiss lossis gneiss, thiab nws yog tsim los ntawm cov metamorphism ntawm cov organic carbonapaceous cov ntaub ntawv. Coal leeg tuaj yeem yog qee yam tsim tau ua graphite los ntawm thermal metamorphism. Graphite yog thawj cov ntxhia ntawm pob zeb loj heev. Graphite tseem muaj nyob hauv Meteorites. Nws yog feem ntau lumpy. Polycrystalline aggregates uas ua cov kab sau lo lus sau nrog rau qee qhov kev sib raug zoo ntawm kev sib raug zoo yog hu ua xwm fab xwm txheej. Yog li dab tsi yog vim li cas vim li cas flake graphite tuaj yeem siv los ua cov khoom siv sealing? Cov hauv qab no ua rau cov txiv kab ntxwv kab ke nouobian yuav siv koj kom paub ntau ntxiv txog nws:
1. Cov tsis sib xws ntawm qhov ntom ntom, lub zog qis.
Qhov kev sib txuam ntawm graphite muaj qhov tseem ceeb heev rau cov khoom lag luam zoo heev ntawm cov paib, txhab gaskets thiab cov nplhaib packer.
2. Corrosiveness.
Vim yog cov neeg Sulfur cov ntsiab lus thiab cov chlorine cov ntsiab lus ntawm cov duab loj, cov muaj pes tsawg leeg yog qhov siab dhau.
3. High tolekage tus nqi.
Vim yog cov khoom siv raw zoo, cov hmoov tshauv muaj pes tsawg leeg thiab cov khoom siv tshuab ntau lawm ntawm cov duab kab paus.
Lub Sijhawm Post: Dec-16-2022