The effect of polyethylene glycol 1500 on physicomechanical properties of rigid polyurethane-polyisocyanurate (PUR-PIR) foams has been studied. It was found that application of polyethylene glycol 1500 for synthesis of foams in amount from 0% to 20% w/w had an effect on reduction of brittleness and softening point. while the greater the increase in compressive strength the higher its ... https://www.ivoryjinelle.com/amazing-offer-Ohio-University-Ohio-Bobcats-iPhone-13-Pro-Max-Impact-Case-p22134-limited-grab/