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fireproofing canvas
| 配方类型： |
INTRODUCTION |
| 配方组成： |
ammonium chloride/2 lb
water/1/2 gal
ammonium phosphate/1 lb |
| 配制方法： |
impregnate with the solution; squeeze out the excess, and dry. washing or exposure to rain will remove fireproofing salts. |
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