Plastic materials Introduction

Lon-So legally owns the property rights of the web site, and any use, correction, or copy is subject to written consent in advance of the company.


Plastic Injection Material—Property Classification Table (1)

code

temperature
tolerance

impulsiveness

abrasion

toughness

luster

chemical
resistance

transparency

stability

electrical property

application

PP

90C

 

 

 

car interior, container, toy, electric housing

HIPS

70C

 

 

 

 

audio equipment housing, clock housing, electric appliance

AS

80C

 

 

 

 

 

fan blade, battery housing, humidifier housing

ABS

85C

 

 

 

 

Telephone, compuiter terminal, electric appliance housing

PMMA

80C

 

 

 

 

 

lighting fixture, bathroom equipment,OAsupplies

POM

130C

 

 

Switch, gear、washingmachine, auto parts, electric appliance

PC

130C

 

 

 

Goggles, dashboard, dryer,lighting fixture, electrical parts

PA

160C

 

 

machine parts(lide rail、zipper),auto parts,fan blade

PBT

205C

 

 

electronic electric parts(sersorswitch), auto parts

PPS

260C

 

car(valve、electronic control parts), plastic, connector

PET

250C

 

lighting fixture, electrical parts(fan blade, capacitor box)

PU

100C

 

electronic sqwitch handle, toy, suction cup, auto parts

PC+ABS

120C

 

roller housing, electronic part, housing, auto parts

PA 6

295C

 

 

 

 

 

 

 

 

SMT electronic parts

PA 46

270C

 

 

 

 

 

 

 

 

electronic switch, insulator

Plastic Injection Material—Property Classication Table (1)

material

propotion

thermal deformation temperature

flammability

feature

usage

advantage

disadvantage

PP

0.90 ~ 0.92

99~110℃

flammability

1. HINGE property/
2. heat tolerance excellent
3. lightest in plastics
4. electricity excellent
5. drug resistant excellent

1. bad impact resistant in cold
2. weather resistant not good

1. various containers (heat resistant)
2. HINGE forming product
3. toys
4. film, sheeet
5. board、PIPE
6. heat resistant industrial products

PE

HDPE
0.95 ~ 0.96
LDPE
0.91 ~ 0.92

60 ~ 82℃
(4.6kg/c㎡)
41 ~ 49℃
(4.6kg/c㎡)

flammability

1. good in cold resistance
2. nontoxic & sanitary
3. good in water resistant, good indrug resistance
4. good electricity
5.  good softness(LDPE)

1. bad in heat resistant
2. bad in weather resistant
3. big shrinkage in forming

1. various containers (sealed)
2. packing bag
3. toys
4. kitchen supplies
4.  machinery parts

ABS

0.99 ~ 1.10

95 ~ 112℃
(4.6kg/c㎡)

flammability

1. good appearance, reasonable price
2. good plating
3. good impulsiveness in low temp
4. small shrinkage in forming,good size accuracy
5. good iacid/alkaline resistant

1. bad weather resistant
2. soluable in solvent

1. industrial products(camara parts , musical instrument)
2. electrical/machinery products
3. Auto parts/ products
4. daily necessarities

PS

1.03 ~ 1.07

82 ~ 104℃
(4.6kg/c㎡)

flammability

1. good in forming
2. good rigidity, high surface hardness
3. good transparancy
4. good electricity
5. good acid/alkaline resistant

1. bad impact resistant
2. bad  heat/weather resistant
3. soluable in solvent

1. daily sundries
2. electricity products
3. toys
4. signboard
5. stationery

PVC

H PVC
1.16 ~ 1.45
S PVC
1.32 ~ 1.7

62 ~ 72℃
(4.6kg/c㎡)

self-destructiveness

1. acceptable softness, free adjustment
2. hard and rigid(H)
3. good iweather resistant
4. good water/drug resistant
5. reasonable price

1. bad heat/cold resistant
2. bad impact resistant
3. bad warp resistant

1. PIPE and plumbing parts
2. wire overlay (s)
3. shoes (s)
4. industrial products,special chemical products
5. Film, sheet, leather
6. substitute of rubber

PA

PA6
1.12 ~ 1.14
PA66
1.13 ~ 1.15

127 ~ 171℃
(4.6kg/c㎡)
149~182℃
(4.6kg/c㎡)

self destructiveness

1. tough and good impact resistant
2. self lubricating and small frictional resistance
3. good heat/cold resistant
4. good  drug/oil resistant

1. bstrong water absorption, bad stability
2. weak in strong acid resistance

1.  machinery products (foldable, gear, axis)
2. auto, electric prodducts
3. fastener
4. Hose, nut, tube

POM

1.14 ~ 1.43

Homopolymer
160 ~ 170℃

flammablity

1. tough and flexible
2. CLIP propertyfeatures、fitiguprfatigueresistance
3. self-lubricating,small friction resistance
4. good in drug resistance
5. good in heat resistance

1. weak anti-uv
2. thermal decomposition and produce fumalin
3. weak in strong acid resistance

1. heavy load industrial products (gear, cam, spring) (GEAR、CAM、SPRING)
2. cars, electric products
3. toys
4.  substitute of metal goods

PC

1.15 ~ 1.25

 

self-destructiveness

1. tough,good in impact resistance
2. good in heat and cold resistance
3. good  size accuracy, and stability
4. good in weather resistance
5. good transparancy

1. bad fatigue resistant
2. weak in anti uv
3. weak in alkaline resistance

1. heavy load machinery products
2.  heat-resistant electrical product
3. auto parts, medical equipment
4. housing、helmet, meter, housing, eye drop bottles, tableware
5. substitu of metal goods

PBT

1.31 ~ 1.38

155 ~ 160℃
(4.6kg/c㎡)

flame retardant

1. tough, good in impact resistance
2. good in heat resistance
3. good in weather resistance
4. self-lubricating, good in frictional resistance
5. low in water absorption and excellent in size stability

1. bad in water absorption
2. bad in alkaline resistance

1. electric products (connectors)
2. machinery parts(pipe, housing, gear)
3. building material
4. daily necessities

TPE

1.15 ~ 1.24

softening point
100 ~ 160℃

flammability

1. soft and feel good, flexible
2. good in weather resistance up to coldness minus 40 degree C

1.  uneasy for color match

1. buffer, blanking tube, shock absoption products
2. shoes, sporting goods
3. hoeme appliance,electrical device, foot oad, insulator

PU

1.11 ~ 1.24

softening point
100 ~ 160℃

flammability

1. good in frictional resistance
2. weather resistant up to minus 35-minus 50 degrees C.
3. oxygen and ozone aging resistant
4. good in bending strength and extension force
5. low in adjustment of strong hardness

1. low grade in softness, easy mucosal shrinkage
2. long drying time

1. shoes and sports goods
2. shock/sound absorption, bushing
3. soft handles that feel good

PMMA

1.18 ~ 1.19

71 ~ 91℃
(4.6kg/c㎡)

flammability

1. transparency premium
2. high hardness, appearance puster premium
3. weather resistance excellent
4. formability good
5. good electricity

1. bad impact resistant
2. scars often
3. soluble

1. May substitute glass(goggles, windshield, watch, glass reflctor).
2. Electric products
3. signboards, ads, decoration
4. contact lens

Plastic Injection Materials—Property Classification Table (1)

nature
ASTM
ACETAL
NYLON6
NYLON
PP
PE
PVC
PU

proportion

D792

1.41

1.12-1.14

1.15-1.17

0.902-0.910

0.941-0.965

1.30-1.58

1.05-1.25

tension strength ; p.s.i

D638

8800

11800-10000a

11000-14000

4300-5500

3100-5500

6000-7500

2000-8400

extension rate%

D638

40-75

100a - 300b

30-320

200.0-700.0

20-1300

40-80

100-650

compressive strength

D695

p.s.i16000
(10%def1.)

13000

---

5500-8000

2700-3600

8000-13000

20000

p.s.i

D695

16000(10%def1.)

13000

---

5500-8000

2700-3600

8000-13000

20000

Notches barizod test
ft-1b/in
(1/2×1/2in.

D256

1.0-1.5
(1/2 ×1/2in.bar)

1.0a-3.0b

0.8-3.0
(1/2 ×1/2in.bar)

0.5-2.2at73℉
(1/8 ×1/2in.bar)

0.5-20.0

0.4-20.0

不破壞

hardness Rockville

D785

M78-M80

R119

R95-R120

R80-110

D60-D70
(shore)

65-85
(shore D)

66A80D
(shore)
M28,R60

bending strength
10 p.s.i 73°F

D790

3.75

3.9a - 1.4b

1.1-4.5a
0.8-1.6b

1.7-2.5

1.0-2.6

3-5

0.1-0.3

tensile modulus
10 p.s.i

D638

4.1

3.8a - 1.0b

3.5 – 4.5

1.60-2.25

0.6-1.8

3.5-6.0

0.1-3.5

coefficient of friction

D638

0.18

0.37

0.35

0.3

0.08
0.18

0.45

0.4
0.8

thermal conductivity
-10 cal/sec/
cm3 /° C/cm

C177

5.5

5.8

---

2.8

11.0-12.4

3.5-5.0

1.7-7.4

thermal expansion force
10 in./in./℃

D696

8.5

8.3

9.0

5.8-10.2

11.0-13.0

5.0-10.0

140.0-20.0

heat resistant(long time) temperature

80℃
120℃

80℃
120℃

121℃
149℃

110℃

80℃

65℃
75℃

80℃

tortuous temperature℉
At 264 p.s.i
Fiber atress

D648

230

155

200-425

125-140

110-130

140-170

At 66 p.s.i
Fiber atress

---

316

365

400-425

200-250

140-190

135-180

volume resistance
Ω-cm(23℃50%)

D257

1.0×1014

1011-1014

---

>1016

>1016

>1016

2.0×1011
-0.11×1014

insulation breaking strength
(short time)
1/8-in.thickness volta/mil

D149

500(90mil)

400

300-400

500-660

450-500

350-500

330-630

insulation breaking strength
(stage method)
1/8-in.thickness
volta/mil

D149

---

350

---

450-650

440-600

---

530

tracing loss rate60Hz

D150

3.7

3.8

3.7

2.2-2.6

2.30-2.35

3.2-4.0

5.4-7.6

1 KHz

D150

3.7

3.8

3.7

2.2-2.6

2.30-2.35

3.0-3.8

5.59-7.60

1 mHz

D150

3.7

3.4

3.7

2.2-2.6

2.30-2.35

2.8-3.1

4.21-5.10

tracing loss rate
60 KHz

D150

---

0.01

0.020

<0.0005

<0.005

0.007-0.020

0.015-0.048

tracing loss rate
1 KHz

D150

0.0010(40mil)

0.02

0.02

<0.0005-0.0018

<0.0005

0.009-0.017

0.043-0.060

tracing loss rate
1 mHz

D150

0.006

0.03

0.02

<0.0005-0.0018

<0.0005

0.006-0.019

0.050-0.100

radius resistance second

D495

240

---

---

136-185

---

60-80

122

water absorption rate
24 hours
3.2mm thick%

D570

0.22

1.3-1.9

0.6-1.2

<0.01-0.03

0.01

0.04-0.4

2400.7-0.9

inflamation speed
in/min

D635

1.0-1.1

---

---

0.75-0.83

1.00-1.04

---

---

sunlight influence

---

whitened lightly

become fragile after long term sun exposure, except when added with stabilizer

Easy to crack w/o additive; usually added with black additive, except those original or dyed weather-resistant ones

changes upon different formulas

strength recreases
and becomes light yellow

weak acid influence

D543

varies upon kinds

may resist weak acid r

may resist weak acid  

no influence

may resist weak acid

no inflence

lightly dissolved

strong influence

D543

invaded

nvaded

invaded

lightly invaded by strong hydrogenated acid

lightly invaded by strong hydrogenated acid

no inflence

lightly dissolved

strong base influence

D543

no influence

no influence

no influence

no influence

strong in weak base resistance

no influence

lightly dissolved

strong base influence

D543

no influence

strong base resistant

strong base resistant

strong resistant against strong base

strong resistant against strong base

no inflence

lightly dissolved

organic solvants influence

D543

durable in general organic solvants

durable in general organic solvants

durable in general organic solvants

resistant to organic solvants below 80degrees C

resistant t0 solvants under 80℃

耐乙醇、脂族輕化合物機油溶劑、在銅類之類中易酸化成收縮,在芳香劑族輕中易收縮

有 機 溶 劑 影 響 可耐大部分溶劑,但在急性溶劑中易收縮

transparency half

---

opaque~
transparent

~translucent
opaque

trandlucent~

transparent, translucent

transparent~
opaque

transparent~
opaque

transparent~
opaque

Having been in the field for over 41 years, we meet requirements of customers offering quality products. OEM/ODM orders are more than welcome.

Please contact us directly for quality service as we are always pleased to do our best to help you

TOP