珠光纸有单面与双面之分，可根据需求量、颜色、定量（克重）、纹路、尺寸等不同要求生产。 The paper has a single face and two sides, which can be produced according to demand, color, quantity (gram weight), grain, size etc. ；250G、280G，每包100张。 ; 250G, 280G, 100 per pack. 丝流方向:正度平行1092㎜，大度平行1194㎜ Parallel 1092 ㎜, silk flow direction: parallel 1194 ㎜ magnanimous 抗张强度:大于或等于70N/15mm Tensile strength: greater than or equal to 70N / 15mm 耐折度:对产品经180°双折(先向后折，然后在同一折痕上再向前折，为双折)20次，无产生裂纹及 破损现象(定量为300以上的产品除外)。 Folding degrees: the product through 180 ° double fold (folding back first, and then again on the same crease fold forward, to double fold) 20 times, no crack and breakage phenomenon (except quantitative products for more than 300). PH值:8.0～9.5在线水份:4%～9% PH: 8.0 ~ 9.5 online moisture: 4% ~ 9%