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Complete Guide to Plastic Shrinkage Rates

Date: 2019-07-14 08:25 Views: 5325 Source: Internet

 

plastics molding processing temperature degree, mold temperature degree and injection shot molding process generally plastics shrinkage rate

in 文名称

英文

density

glass fiber content

线 property thermal expansion coefficient

平均 ratio hot

hot rate

processing temperature degree

mold temperature degree

shrinkage rate

[g/cm3]

[%]

10-5/k-1

[KJ/(kg x K)]

W.m-1.k-1

[℃]

[℃]

[%]

polystyrene (PS)

PS

1.05

 

6~8

1.2~1.3

0.16

180-280

10

0.3-0.6

polystyrene (PS), in . high impact property

HI-PS

1.05

   

1.21

 

170-260

5-75

0.5-0.6

polystyrene (PS) - propylene 晴

SAN

1.08

   

1.3

 

180-270

50-80

0.5-0.7

propylene 晴- butadiene - styrene

ABS

1.06

   

1.4

 

210-275

50-90

0.4-0.7

苯烯晴- styrene - acrylic

ASA

1.07

   

1.3

 

230-260

40-90

0.4-0.6

low density polyethylene (PE)

LDPE

0.954

 

13~20

1.9~2.1

0.35

160-260

50-70

1.5-5.0

high density polyethylene (PE)

HDPE

0.92

 

11~13

2.3-2.5

0.44

260-300

30-70

1.5-3.0

polypropylene (PP)

PP

0.915

 

6~10

0.84-2.5

0.24

250-270

50-75

1.0-2.5

polypropylene (PP) -GR

PPGR

1.15

30

 

1.1-1.35

 

260-280

50-80

0.5-1.2

poly 异丁烯

IB

         

150-200

   

polymethylpentene (TPX)

PMP

0.83

       

280-310

70

1.5-3.0

soft polyvinyl chloride (PVC)

PVC-soft

1.38

 

7~25

0.85

0.15

170-200

15-50

>0.5

hard polyvinyl chloride (PVC)

PVC-rigid

1.38

 

5~18.5

0.83-1.05

0.16

180-210

30-50

0.5

poly fluorine ethylene

PVDF

1.2

       

250-270

90-100

3.0-6.0

PTFE

PTFE

2.12-2.17

 

10

1.02~1.08

0.27

320-360

200-230

3.5-6.0

fluorine ethylene propylene copolymer

FEP

2.15             3.0-4.0

poly methacrylic acid 甲脂( propylene )

PMMA

1.18

 

4.5

1.39~1.46

0.19

210-240

50-70

0.1-0.8

polyoxymethylene (POM)

POM

1.42

 

10

1.47-1.5

0.23

200-210

>90

1.9-2.3

poly oxygen or poly oxidation 亚苯

PPO

1.06

   

1.45

 

250-300

80-100

0.5-0.7

poly oxygen -GR

PPO-GR

1.27

30

 

1.3

 

280-300

80-100

<0.7

醋 acid fiber 素

CA

1.27-1.3

   

1.3-1.7

 

180-320

50-80

0.5

醋 acid -丁 acid fiber 素

CAB

1.17-1.22

   

1.3-1.7

 

180-230

50-80

0.5

丙 acid fiber table/sheet 素

CP

1.19-1.23

   

1.7

 

180-230

50-80

0.5

poly carbon acid 醋

PC

1.2

   

1.3

 

280-320

80-100

0.8

poly carbon acid 脂-GR

PC-GR

1.42

10-32

 

1.1

 

300-330

100-120

0.15-0.55

polyurethane acid ester

TPU

   

10~20

1.76

0.3

     

polyethylene (PE) for 苯二甲 acid ester

PET

     

1.01

0.14

     

polyethylene (PE) for 苯二甲 acid ester -GR

PET-GR

1.5-1.57

20-30

     

260-290

140

1.2-2.0

poly for acid

PBT

1.3

       

240-260

60-80

1.5-2.5

poly for acid -GR

PBT-GR

1.52-1.57

30-50

     

250-270

60-80

0.3-1.2

nylon 6( poly acid amine 6

PA 6

1.14

 

6

1.6~1.8

0.31

240-260

70-120

0.5-2.2

nylon 6-GR

PA 6-GR

1.36-1.65

30-50

 

1.26-1.7

 

270-290

70-120

0.3-1

nylon 6/6

PA 66

1.15

 

9

1.7

0.25

260-290

70-120

0.5-2.5

nylon 6/6-GR

PA66-GR

1.20-1.65

30-50

 

1.4

 

280-310

70-120

0.5-1.5

nylon 11

PA 11

1.03-1.05

   

2.4

 

210-250

40-80

0.5-1.5

nylon 12

PA 12

1.01-1.04

   

1.2

 

210-250

40-80

0.5-1.5

polyether 砜

PES

   

5.5

1.12

0.18

     

polyether 矾

PSO

1.37

       

310-390

100-160

0.7

poly 硫化亚苯

PPS

1.64

40

     

370

>150

0.2

thermoplastic property poly amine 脂

PUR

1.2

   

1.85

 

195-230

20-40

0.9

酚甲 aldehyde resin GP

PF

1.4

   

1.3

 

60-80

170-190

1.2

三 poly amine aldehyde GP

MF

1.5

   

1.3

 

70-80

150-165

1.2-2

三 poly amine aldehyde

MPF

1.6

   

1.1

 

60-80

160-180

0.8-1.8

poly resin

UP

2.0-2.1

   

0.9

 

40-60

150-170

0.5-0.8

ring oxygen resin

EP

1.9

30-80

8

1.05-1.9

0.17

ca.70

160-170

0.2

oxygen 丁橡胶

     

24

1.7

0.21

     

天然橡胶

       

1.92

0.18

     

poly 乙丁烯

       

1.95

       

modified engineering plastics molding shrinkage (ASTM D955

PA6 series molding shrinkage

名称 and 描述

molding shrinkage %

备注

15% glass fiber reinforced PA6

0.5-0.8

PA6G15

20% glass fiber reinforced PA6

0.4-0.6

PA6G20

30% glass fiber reinforced PA6

0.3-0.5

PA6G30

40% glass fiber reinforced PA6

0.1-0.3

PA6G40

50% glass fiber reinforced PA6

0.1-0.3

PA6G50

25% glass fiber reinforced flame retardant PA6

0.2-0.4

Z-PA6G25

30% glass fiber reinforced flame retardant PA6

0.2-0.4

Z-PA6G30

30% glass fiber reinforced flame retardant PA6

0.2-0.4

Z-PA6G30

无卤 flame retardant PA6

0.8-1.2

Z-PA6

30% mineral filled flame retardant PA6

0.5-0.8

Z-PA6M30

30% glass beads filling PA6

0.8-1.2

PA6M30

30% glass fiber (GF) material composite/compounding filling PA6

0.3-0.5

PA6M30

40% glass fiber (GF) material composite/compounding filling PA6

0.2-0.5

PA6M40

30% mineral filled PA6

0.6-0.9

PA6M30

40% mineral filled PA6

0.4-0.7

PA6M40

PA6 generally injection molding grade

1.4-1.8

PA6

PA6 fast speed molding

1.2-1.6

PA6

PA6 generally toughened

1.0-1.5

PA6

PA6 in and other toughened

0.9-1.3

PA6

PA6 ultra- toughened

0.9-1.3

PA6

MoS2 filling wear resistant PA6

1.0-1.4

PA6

PA66 series molding shrinkage

名称 and 描述

molding shrinkage %

备注

15% glass fiber reinforced PA66

0.6-0.9

PA66G15

20% glass fiber reinforced PA66

0.5-0.8

PA66G20

25% glass fiber reinforced heat resistant 油PA66

0.4-0.7

PA66G25

30% glass fiber reinforced PA66

0.4-0.7

PA66G30

30% glass fiber reinforced hydrolysis resistant PA66

0.3-0.6

PA66G30

40% glass fiber reinforced PA66

0.2-0.5

PA66G40

50% glass fiber reinforced PA66

0.1-0.3

PA66G50

25% glass fiber reinforced flame retardant PA66

0.2-0.4

Z-PA66G25

30% glass fiber reinforced flame retardant PA66

0.2-0.4

Z-PA66G30

30% mineral filled flame retardant PA66

0.2-0.4

PA66M30

无卤 flame retardant PA66

0.8-1.2

Z-PA66

30% mineral filled flame retardant PA66

0.4-0.7

Z-PA66M30

30% glass beads filling PA66

0.8-1.2

PA66M30

30% glass fiber (GF) material composite/compounding filling PA66

0.2-0.5

PA66M30

30% mineral filled PA66

0.6-0.9

PA66M30

40% mineral filled PA66

0.4-0.7

PA66M40

generally injection molding grade PA66

1.5-1.8

PA66

fast speed molding PA66

1.5-1.8

PA66

generally toughened PA66

1.2-1.7

PA66

in and other toughened PA66

1.2-1.6

PA66

ultra- toughened PA66

1.2-1.6

PA66

MoS2 filling wear resistant PA66

1.2-1.6

PA66

PA/ABS series molding shrinkage

名称 and 描述

molding shrinkage %

备注

10% glass fiber reinforced PA/ABS

0.3-0.6

PA/ABSG10

20% glass fiber reinforced PA/ABS

0.2-0.5

PA/ABSG20

30% glass fiber reinforced PA/ABS

0.1-0.3

PA/ABSG30

20% glass fiber reinforced flame retardant PA/ABS

0.2-0.5

Z-PA/ABSG20

resistant impact PA/ABS

0.5-0.8

PA/ABS

high impact PA/ABS

0.8-1.0

PA/ABS

PP series molding shrinkage

名称 and 描述

molding shrinkage %

备注

20% slip powder filling PP

1.0-1.5

PPM20

30% slip powder filling PP

0.8-1.2

PPM30

40% slip powder filling PP

0.8-1.0

PPM40

20% slip powder filling toughened PP

1.0-1.2

PPM20

20% carbon acid filling PP

1.2-1.6

PPM20

10% glass fiber reinforced PP

0.7-1.0

PPG10

20% glass fiber reinforced PP

0.5-0.8

PPG20

30% glass fiber reinforced PP

0.4-0.7

PPG30

40% glass fiber reinforced PP

0.3-0.5

PPG40

20% glass beads filling PP

1.2-1.6

PPM20

30% glass beads filling PP

1.0-1.2

PPM20

15% glass fiber reinforced flame retardant PP

0.5-0.7

Z-PPG15

20% glass fiber reinforced flame retardant PP

0.3-0.5

Z-PPG20

30% glass fiber reinforced flame retardant PP

0.2-0.4

Z-PPG30

bromine flame retardant grade PP

1.5-1.8

PP

无卤 flame retardant grade PP

1.3-1.6

PP

high flow high property PP

1.5-2.0

PP

generally toughened PP

1.5-2.0

PP

in and other toughened PP

1.4-1.9

PP

ultra- toughened PP

1.3-1.8

PP

heat resistant aging PP1

1.5-2.0

PP1

heat resistant aging PP2

1.5-2.0

PP2

heat resistant aging PP3

1.5-2.0

PP3

impact resistant resistant 侯PP4

1.5-2.0

PP4

high impact resistance resistant 侯PP5

1.5-1.8

PP5

20% slip powder filling PP6

1.0-1.2

PP6

30% slip powder filling PP7

0.9-1.1

PP7

40% slip powder filling PP8

0.8-1.0

PP8

20% glass fiber reinforced PP9

0.5-0.8

PP9

30% glass fiber reinforced high heat resistant PP

0.4-0.7

PP10

PC series molding shrinkage

名称 and 描述

molding shrinkage %

备注

10% glass fiber reinforced PC

0.3-0.5

PCG10

20% glass fiber reinforced PC

0.3-0.5

PCG20

25% glass fiber reinforced PC

0.2-0.4

PCG25

30% glass fiber reinforced PC

0.2-0.4

PCG30

20% glass fiber reinforced flame retardant PC

0.2-0.4

Z-PCG20

25% glass fiber reinforced flame retardant PC

0.2-0.4

Z-PCG25

30% glass fiber reinforced flame retardant PC

0.2-0.4

Z-PCG30

20% glass fiber reinforced flame retardant PC

0.2-0.4

Z-PCG20

30% glass fiber reinforced flame retardant PC

0.1-0.3

Z-PCG30

20% glass beads filling PC

0.3-0.6

PCM20

PC/ABS series molding shrinkage

名称 and 描述

molding shrinkage %

备注

20% glass fiber reinforced PC/ABS

0.2-0.4

PC/ABSG20

bromine flame retardant PC/ABS

0.3-0.6

Z-PC/ABS

无卤 flame retardant PC/ABS

0.4-0.7

Z-PC/ABS

resistant grade PC/ABS

0.4-0.7

PC/ABS

35%PC

0.4-0.6

PC/ABS

65%PC

0.4-0.7

PC/ABS

85%PC

0.4-0.7

PC/ABS

PC/PBT series molding shrinkage

名称 and 描述

molding shrinkage %

备注

10% glass fiber reinforced PC/PBT

0.5-0.8

PC/PBTG10

20% glass fiber reinforced PC/PBT

0.4-0.6

PC/PBTG20

30% glass fiber reinforced PC/PBT

0.3-0.5

PC/PBTG30

30% glass fiber reinforced flame retardant high heat resistant PC/PBT

0.3-0.5

Z-PC/PBTG30

high impact high heat resistant PC/PBT

0.6-1.0

PC/PBT

PBT/ABS series molding shrinkage

名称 and 描述

molding shrinkage %

备注

20% glass fiber reinforced PBT/ABS

0.3-0.5

PBT/ABSG20

30% glass fiber reinforced PBT/ABS

0.2-0.4

PBT/ABSG30

20% glass fiber reinforced flame retardant PBT/ABS

0.2-0.4

Z-PBT/ABSG20

30% glass fiber reinforced flame retardant PBT/ABS

0.2-0.4

Z-PBT/ABSG30

general purpose injection molding grade PBT/ABS

0.8-1.2

PBT/ABS

general purpose flame retardant grade PBT/ABS

0.7-1.1

PBT/ABS

PBT series molding shrinkage

名称 and 描述

molding shrinkage %

备注

10% glass fiber reinforced PBT

0.8-1.2

PBTG10

15% glass fiber reinforced PBT

0.7-1.0

PBTG15

20% glass fiber reinforced PBT

0.4-0.7

PBTG20

25% glass fiber reinforced PBT

0.3-0.6

PBTG25

30% glass fiber reinforced PBT

0.3-0.5

PBTG30

50% glass fiber reinforced PBT

0.1-0.3

PBTG50

30% glass fiber reinforced impact modified PBT

0.3-0.5

PBTG30

10% glass fiber reinforced flame retardant PBT

0.7-0.9

Z-PBTG10

20% glass fiber reinforced flame retardant PBT

0.4-0.6

Z-PBTG20

30% glass fiber reinforced flame retardant PBT

0.3-0.5

Z-PBTG30

generally toughened PBT

1.4-1.8

PBT

in and other toughened PBT

1.2-1.6

PBT

ultra- toughened PBT

1.0-1.5

PBT

PTFE generally wear resistant modified PBT

1.5-2.0

PBT

flame retardant grade PBT

1.2-1.7

Z-PBT

ABS series molding shrinkage effect/influence plastics products shrinkage rate factors

名称 and 描述

molding shrinkage %

备注

20% glass fiber reinforced ABS

0.2-0.4

ABSG20

25% glass fiber reinforced ABS

0.2-0.4

ABSG25

30% glass fiber reinforced ABS

0.1-0.3

ABSG30

20% glass fiber reinforced flame retardant ABS

0.1-0.3

Z-ABSG20

generally flame retardant grade ABS

0.4-0.7

Z-ABS

generally injection molding grade ABS

0.4-0.7

ABS

resistant grade ABS

0.4-0.7

ABS