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PROPERTIES OF PLASTICS

POLYMERS

DENSITY

MELTING POINT

COEFFICIENT LINEAR THERMAL EXPANSION D696

THERMAL CONDUCTIVITY

SPECIFIC HEAT

   

Deg. C

10 -6 per C

10-4 cal / cm. sec C

cal / g C

ABS

1.05

Tg 110 -125

65 - 95

4.5 - 8

 

CA

1.29

Tm 230

80 - 180

4 - 8

 

POM

1.42

163

9.7

5.5

0.35

PMMA

1.18

100 -= 120

50 - 71

4.7

0.35

PPO

1.06

Tg 100 - 112

38 - 70

3.8

 

PA6/6

1.14

264

80

5.8

0.5

PC

1.22

Tg 150

68

4.7

 

PES

1.37

Tg 230

55

3.2 - 4.4

 

PBT

1.31

Tm 232 - 267

60 - 90

4.2 - 6.9

 

PPS

1.5 - 2.1

Tm 290 Tg 88

49

6.9

0.25

PETP

1.38

Tm 254 - 259

65

3.3 - 3.6

 

PS

1.05

Tg 74 - 104

50 - 83

3

 

HDPE

0.95

       

LDPE

0.92

109 -125

14

7-10

0.52 - 0.65

PP

0.91

165 -175

70 - 909

2.8 - 4

0.46

RPVC

1.3 - 1.6

75 - 85

190

3

0.26

SPVC

1.1 - 1.14

       

SAN

1.08

Tg 120

65 - 68

3

 

TPU

1.20

Tg 120 - 160

     

The plastics exhibit different characteristics than metal.

Click here to see Mechanical Properties of Plastics

Application of Plastics

Things to know - Polymers

Injection Moulding Process

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