Andhra Sapphire Star

Sapphire Star

Premium writing paper (non surface sized) designed for branded note book and single color printing in pleasant white shade
Excellent runnability on high speed automatic ruling machines
Alkaline sizing for added archival quality that extends the life of the document
Uniform sheet smoothness

Standard Grammages: 52,54, 58,60,64,68,70,80,90,100,120 gsm

Key Quality Parameters	Unit	Specs 52 - 58 Gsm	Specs 60 - 70 Gsm	Specs 75 - 90 Gsm	Specs 95 - 120 Gsm
Basis Weight	GSM	52-58 ± 2.5%	60-70 ± 2.5%	75-90 ± 2.5%	95-120 ± 2.5%
Bulk	cc/g	1.32 ± 3%	1.30 ± 3%	1.27 ± 3%	1.24 ± 3%
Breaking Length
MD	meters	4100 ± 300	4000 ± 300	4000 ± 300	4000 ± 300
CD	meters	2200 ± 200	2200 ± 200	2200 ± 200	2200 ± 200
Bendtsen Smoothness
TS	ml / min	160 Max.	180 Max.	230 Max.	280 Max.
WS	ml / min	280 Max.	300 Max.	320 Max.	350 Max.
Brightness	% ISO	90 ± 1	90 ± 1	90 ± 1	90 ± 1
Cobb TS / WS	gsm	25 Max	25 Max	25 Max	25 Max
Opacity	%	87: 52-54 gsm, 88: 56 gsm 89: 58 gsm	90: 60 to 64 gsm 91: 68/70 gsm	92: 75 gsm 93: 78 to 80 gsm 94-90 gsm	95: 95/100 gsm 96: 105 - 120 gsm