Blow Mold Material Selection

Specifications

MATERIALS	OUTSTANDING PROPERTIES	COST IN 3	TYPICAL APPLICATION	HARDNESS D2241	HEAT DIST D648	VICAT D1525	BRITTLENESS TEMP D746	FLEX MODULUS	TENSILE D412
OLEFINS
LDPE	Low Cost	0.017	Bellows	42 D		180	-75	24,000	2,600
HDPE	Low Cost	0.020	Bottles	68 D	165-F	255-F	<-105 F	135,000	3,900
PP	Constant Clarity	0.024	Bottles	75 R	173		28	160,000	4,000
EVA	Clarity & Flexibility	0.027	Bellows	37 D		140	<-76		2,000
ELASTOMERS
TPO	ETA 5081 Continuous Use Temp	0.029	Air Ducts	65 D	250-F*		<-70	80,000	4,000
TPO	Santoprene 101-87 Low Compression Set	0.059	Strut Covers	87 A	275-F*	190	-60	14,900	2,200
TPU	Abrasion & Cut Resistance	0.114	Bellows	88 A		240	-100 F	2,500	4,100
HYTREL	Flex Fatigue Resistance	0.141	Bellows	56 D	154	345		26,500	5,700
* Continuous Use Temperature

Engineering Materials	Outstanding Properties	Cost In-3	Typical Application	Heat Dist. D648	IZOD IMPACT	Flex Modulus	Tensile D412
ABS	Cycolac MSC - Impact Resistance	0.058	Panels	192 F	8.2 FT LB/IN	240,000	4,950
PPO	Noryl BN 31 Dimensional Stability	0.082	Electrical Conduits	180	5.0	350,000	7,000
ASA	Geloy 1120 - Good Weatherability	0.084	Mirror Housings	180	6.0	240,000	5,500
NYLON	CFE8005-Impact	0.090	Auto Reservoirs	147	NB	101,600	6,500
PC-PBT	Xenoy 1402B-Low Temp. Impact	0.102	Bumpers	205	13.0	290,000	7,000
NYLON-PPO	Noryl GTX - High Heat	0.105	Auto Resonators	270	11.0	290,000	8,000
PC	Lexan 151 - Clarity, Impact	0.113	Medical Products	280	14.0	340,000	9,500
PSO	P3500 - High Heat	0.191	Hot Water Contact	345	1.3	390,000	10,200
ETHER IMIDE	Ultem 100 - Low Flammability	0.235	Aircraft Parts	392	1.0	480,000	15,200