FORMULA No.1 20-60 pounds of starch are added to an equal weight of "O" or "S 35" silicate which has been diluted with 25-30 gal of water. The mixture is heated until the starch begins to swell at which point it is quickly cooled and added to the beater. FORMULA No. Sodium Hydroxide/105 Water/900 "Acintol" R Type SH/1000
配制方法:
Charge the kettle with caustic soda solution and start the agitator. Heat to boiling point with direct or indirect steam and charge gradually at a uniform rate, with liquid rosin or with solid rosin which has been broken into fist-size pieces. After the rosin is charged, continue boiling for one hour. this produces about 50% solids size. Dilute the rosin size by gradually stirring the preparation into hot water. Then dilute to the desired strength with cold water.