nitric acid, laakiin kuma jiro biyo.
Alaabtaani waa xasilinta kuleylka loo isticmaalo PVC. Cpvc copokumiers. Ka sokow saameynta aqbalaada aashitada, waxay sidoo kale leedahay awood
Ka hortagga xubinta ka soo horjeedka iyo gaashaanka ultraviolet, cimilada wanaagsan, dareenka korantada iyo midabaynta bilowga ah