The results showed that the flame-retardant property of polyurethane paving materials was enhanced obviously by using complex flame-retardantagent system.
研究结果表明采用复合阻燃体系可显著提高聚氨酯铺装材料的阻燃性能。
2
BYQ1 fiberglass cable tray is reinforced by fiberglass, plastics, flame-retardantagent and other materials. It is also composed of compound pressure materials and stainless steel net.