Tilmaamaha guud ee qaraxa - baalal caddayn aad bay u kala duwan yihiin. Kuwa soo socda ayaa ah qaar ka mid ah kuwa ugu caansan:
Dhumucdiisuna guud ahaan waxay u dhaxaysaa 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm. 3mm-Qarax dhumucdiisuna waa - baalasha caddayntu waa kuwo khafiif ah waxaana inta badan lagu isticmaalaa meelo yar yar ama qalab halka qaraxa{9}} shuruudaha caddayntu ay ka adag yihiin laakiin xoogaa ilaalin ah ayaa loo baahan yahay{16}mm{10}mm {10}mm Dabaqyada inta badan loo isticmaalo oo buuxin kara qaraxa{14}} shuruudaha caddaynta ee badi goobaha guud, sida meelaha ilaalinta deegaanka ee dhirta warshadaha . 8mm-Qaraxyo dhumucdiisuna tahay iyo wixii ka sareeya{17} baalasha cadaymaha waxay ku haboon yihiin qalabka waaweyn, muhiimka ah ama meelaha muhiimka ah ee leh qaraxa aadka u sarreeya{18} shuruudaha waxqabadka, sida meelaha haanta kaydinta waaweyn ee warshadaha petrochemical.
Cabbirrada caadiga ah waxaa ka mid ah 1220mm × 2440mm (ballaaran × dhererka) iyo 1500mm × 3000mm. Cabbirradan caadiga ah waxay fududeeyaan wax soo saarka, rakibidda, iyo gaadiidka, iyagoo buuxinaya baahiyaha mashaariicda dhismaha iyo warshadaha intooda badan. Cabirrada gaarka ah sidoo kale waa la habeyn karaa si ay ugu habboonaato meelaha rakibidda iyo shuruudaha ilaalinta.
Guud ahaan, tilmaamaha caadiga ah ee qaraxa - baalasha cadaymaha waxaa ka mid ah dhumucyo kala duwan iyo cabbirro. Isticmaalayaashu waxay dooran karaan qeexitaannada ku habboon iyagoo ku salaynaya xaaladaha codsigooda gaarka ah waxayna u baahan yihiin inay hubiyaan qaraxa ugu wanaagsan{2}}waxqabadka caddaynta iyo isticmaalka
