灰底(di)白(bai)(bai)板(ban),一般被(bei)稱(cheng)為(wei)(wei)(wei)(wei)白(bai)(bai)板(ban)、粉(fen)灰、灰底(di)白(bai)(bai)、灰銅(tong)。底(di)色為(wei)(wei)(wei)(wei)灰色,正(zheng)面(mian)為(wei)(wei)(wei)(wei)白(bai)(bai)色涂(tu)布面(mian),主要用于印刷包裝,因材質(zhi)和涂(tu)布面(mian)厚薄不同,灰底(di)白(bai)(bai)板(ban)被(bei)分(fen)(fen)(fen)為(wei)(wei)(wei)(wei)多個(ge)等級(ji)(ji)(ji)(ji),常見的分(fen)(fen)(fen)級(ji)(ji)(ji)(ji)為(wei)(wei)(wei)(wei)A級(ji)(ji)(ji)(ji),B級(ji)(ji)(ji)(ji),C級(ji)(ji)(ji)(ji),E級(ji)(ji)(ji)(ji),F級(ji)(ji)(ji)(ji),從高到底(di)依次遞減(jian),F級(ji)(ji)(ji)(ji)*差,也稱(cheng)無涂(tu)紙(zhi)或是輕涂(tu)紙(zhi)。灰底(di)白(bai)(bai)板(ban)以(yi)噸為(wei)(wei)(wei)(wei)計量單位,每(mei)個(ge)級(ji)(ji)(ji)(ji)別又分(fen)(fen)(fen)為(wei)(wei)(wei)(wei)多個(ge)克重(zhong),分(fen)(fen)(fen)別分(fen)(fen)(fen)為(wei)(wei)(wei)(wei)200克,230克,250克,270克,300克,350克,400克,450克。以(yi)m*/g為(wei)(wei)(wei)(wei)單位。原料以(yi)廢(fei)紙(zhi)(國廢(fei)美廢(fei))、舊報(bao)紙(zhi)為(wei)(wei)(wei)(wei)主。
灰(hui)(hui)底(di)(di)白板(ban),一般被稱為(wei)白板(ban)、粉灰(hui)(hui)、灰(hui)(hui)底(di)(di)白、灰(hui)(hui)銅(tong)。底(di)(di)色(se)為(wei)灰(hui)(hui)色(se),正面(mian)為(wei)白色(se)涂布面(mian),主要用于印(yin)刷包裝,因材(cai)質和涂布面(mian)厚薄不同,灰(hui)(hui)底(di)(di)白板(ban)被分(fen)(fen)為(wei)多個等(deng)級,常見的分(fen)(fen)級為(wei)A級,B級,C級,E級,F級,從高(gao)到底(di)(di)依次遞減,F級最差,也稱無涂紙(zhi)(zhi)(zhi)或(huo)是輕涂紙(zhi)(zhi)(zhi)。灰(hui)(hui)底(di)(di)白板(ban)以噸(dun)為(wei)計量單(dan)位(wei),每(mei)個級別(bie)又分(fen)(fen)為(wei)多個克(ke)(ke)(ke)重,分(fen)(fen)別(bie)分(fen)(fen)為(wei)200克(ke)(ke)(ke),230克(ke)(ke)(ke),250克(ke)(ke)(ke),270克(ke)(ke)(ke),300克(ke)(ke)(ke),350克(ke)(ke)(ke),400克(ke)(ke)(ke),450克(ke)(ke)(ke)。以m*/g為(wei)單(dan)位(wei)。原料(liao)以廢(fei)紙(zhi)(zhi)(zhi)(國廢(fei)美(mei)廢(fei))、舊報(bao)紙(zhi)(zhi)(zhi)為(wei)主。