Umukozi ufata inyongeraye
Urea Ester BK - Ubuso bwa Urea bukoreshwa hamwe na Blowing Agent H kugirango ifurame rubber karemano, reberi ya styrene-butadiene (SBR), polystyrene, cyangwa izindi reberi hamwe nibivange. Birakwiriye cyane cyane kubyara ibice bya reberi byo mu nyanja. Ibicuruzwa byemeza ko nta n'umwanda. Iyo igipimo cya BK na H kingana, ibicuruzwa byanyuma byerekana hafi nta impumuro isigaye kuva Blowing Agent H kubora.
reba byinshi