코오롱플라스틱(주)

NOPLA^® Injection molding

The users can apply the same condition as polyesters, when they perform injection molding of NOPLA^®: the transparent PEN-PET copolyester.

사출성형

Item		Unit	KE101	KE901
Cylinder Temperature	Rear	℃	240 ~ 260	260 ~ 280
	Center	℃	250 ~ 270	270 ~ 290
	Front	℃	270 ~ 290	280 ~ 300
Nozzle Temperature		℃	270 ~ 290	280 ~ 300
Mold Temperature		℃	10 ~ 15	40 ~ 50
Molten Polymer Temperature		℃	260 ~ 280	270 ~ 300
Holding Pressure		℃	400 ~ 600	400 ~ 800
Injection Pressure		kgf/㎠	700 ~ 1000	800 ~ 1200

NOPLA^® Blow molding

Also, the users can apply blow molding due to high melting point of NOPLA^®

사출성형

Injection Blow				Direct Blow
Item	Unit	Heat resistance bottle	Baby bottle	Item	Heat set
Reheating Temperature	℃	90 ~ 110	170 ~ 210	Barrel Temperature	1	1
Reheating Time	℃	30 ~ 40	10 ~ 20		2	2
Heat-set Temperature	℃	130 ~ 140	-		3	3
					4	4
Heat-set Time	℃	12 ~ 20	-	Gat Temperature	200 ~ 260
Mold Temperature	℃	15 ~ 30		Gate Body	200 ~ 260
Blow Pressure	kgf/㎠	10 ~ 18	4 ~ 6	Mold Temperature	15 ~ 20

Cautions in injection molding

1. Apporopriate control of 1st/2nd pressure is required on account of the slow speed of solidification.
- Hign 1st/2nd pressure & low injection speed

2. Apporopriate control of molding temperature to keep the transparency
- To maintain low molding temperature