Sodium metasilicate has strong alkalinity and good buffering capacity . it can neutralize acidic dirt , emulsify grease and oil , and provide corrosion proofing to metals . it is a basic material for the detergent industry , widely used in domesticindustrial detergent , food cleaner , metal cleaner , washing carbonated drink bottles , printing aid for textile , deinking recycled paper , etc 偏硅酸钠具有强碱性，去污力强，缓冲能力大，可中和酸性污物，使脂肪和油类乳化，对无机物有反絮凝作用，对金属有防腐蚀作用，是洗涤业不可替代的原料，广泛应用于家庭洗衣粉、工业洗涤剂、食品清洗剂、金属清洗剂、酒瓶清洗剂、除油纺织印染助剂及纸张脱墨剂等。
