Ethylene, he hau kore tae, ka mau i te kakara waro waro motuhake me te ahua o te reka ina iti te rahi.
He tino mura, e whakaatu ana i te pāmahana mura o te 425°C, he rohe pahū o runga o 36.0%, me te rohe iti o 2.7%. Ina whakakotahi te ethylene ki te hau, hanga ana i te ranunga karekau e taea te pahū. Te whakakitenga ki te mura ahi, wera nui, oxidizers keu ranei ngingiha me te pahūtanga.