G10 G11 FR4 Epoxy Fiberglass Dharka Dahaarka Tubooyinka waxay ka samaysan yihiin maro dhalada ah oo bilaa alkali ah oo ku xidhan resin epoxy. Waxaa lagu daboolay caaryada usha iyadoo hoos loo eegayo cadaadiska heerkulka sare. Tuubooyinka dahaarka korantada ayaa sidoo kale lagu soo saari karaa farsamada twine.
Tuubooyinka dahaarka ka sokow, waxaan sidoo kale soo saartaa ulaha muraayadda epoxy ee dhexroorka iyo dhererka kala duwan.