गैर-बुने हुए कपड़े में अल्ट्रा-फाइन कैल्शियम कार्बोनेट की भूमिका
1. Introduction Non-woven fabric is made of man-made fibers. In recent years, with characteristics of moisture-resistance, lightweight, non-toxicity and low cost, non-woven fabric has gradually come into people’s view and has been widely used in many fields. Ultra-fine calcium carbonate, as a widely used […]
गैर-बुने हुए कपड़े में अल्ट्रा-फाइन कैल्शियम कार्बोनेट की भूमिका और पढ़ें "