thermoplastics for the pipe industry - plastic injection molding
TRANSCRIPT
Thermoplastics for the pipe industry
High Performance Thermoplastics
Engineering Thermoplastics
Commodity Thermoplastics
High performance Thermoplastics
Characteristics
High cost
High temp. resistance
High strength & Stiffness
Good Chemical resistance
Good electrical properties
Low COF
Good toughness
Materials
Polyvinylidene Flouride (PVDF)
Polyphenylene Sulfide (PPS)
Engineering Thermoplastics
Characteristics
Moderate cost
Moderate temp. resistance
Moderate strength & Stiffness
Good Chemical resistance
Good electrical properties
Low COF
Difficult to bond
Materials
Nylon (PA)
Acetyl (POM)
Polyethylene Terephthalate (PET)
Polybutylene Terephthalate (PBT)
Polycarbonate (PC)
(Good dimensional stability & optical properties)
Commodity Thermoplastics
Amorphous Characteristics
Low cost
Low temp. resistance
Low strength
Good dimensional stability
transparent
Amorphous Materials
Polystyrene (PS)
Acrylonitrile Butadine styrene (ABS)
Polyvinyl Chloride (PVC)
Semi –Crystalline Materials
High Density Polyethylene (HDPE)
Low density Polyethylene (LDPE)
Polypropylene (PP)
Semi – Crystalline Characteristics
Low costLow temp. resistance
Low strengthLow COF
Good electrical & toughness properties
Difficult to bond
0
50
100
150
200
250
300
350
400
Degre
es F
ahre
nheit
Constant operating Temperature
PE
PS
ABS
ACRYLIC
PC
TPU
PA6
PA11
PA12
PVDF
PPS
PEX
CPVC
PVC
POM
0
2000
4000
6000
8000
10000
12000
14000
PSI
Tensile Strength(At break)
PE
PS
ABS
ACRYLIC
PC
TPU
PA6
PA11
PA12
PVDF
PPS
PEX
CPVC
PVC
POM
0
2
4
6
8
10
12
14
16
18
20
Ft-
inImpact Strength
(The Higher the better)*TPU has higher impact than indicated
PE
PS
ABS
ACRYLIC
PC
TPU
PA6
PA11
PA12
PVDF
PPS
PEX
CPVC
PVC
POM
0
0.2
0.4
0.6
0.8
1
1.2
% o
f absorp
tion
Moisture Absorption
PE
PS
ABS
ACRYLIC
PC
TPU
PA6
PA11
PA12
PVDF
PPS
PEX
CPVC
PVC
POM
0
1
2
3
4
5
6
7
8
9
10
Rela
tive
scale
Chemical Resistance(The Higher the better)
PE
PS
ABS
ACRYLIC
PC
TPU
PA6
PA11
PA12
PVDF
PPS
PEX
CPVC
PVC
POM
0
1
2
3
4
5
6
7
8
Rela
tive
scaleCost Comparison
PE
PS
ABS
ACRYLIC
PC
TPU
PA6
PA11
PA12
PVDF
PPS
PEX
CPVC
PVC
POM
5606 Cavanaugh Houston, TX 77021P 713.643.6577F 713.643.6575
Blackwell plastics offers custom profile and pipe extrusion services, with pipediameters up to 3”. Finished goods may be cut to length or coiled. Please
Visit Blackwellplastics.com or contact our office for additional information.