1.Mix all above and boil in light flame approximately for half hour. When it becomes 3 cups, take it out and keep it for cooling.
把它们全部混合在一起,慢火煮约半小时。当它浓缩成3杯时,取出,并使它冷却。
2.Study on Manufacture of Kenaf- Based Light Flame- Retarding Panel
红麻轻质阻燃人造板的研制