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Parameter for Plastic Molding

2021-10-18

Parameter for Plastic Molding

1.PMMA Plastic Molding Parameter

PMMA Plastic Molding Parameter

Drying Temp.

80

Drying Time Appr.hr

23

Mold Temp.

4070

Residual materialmm

26

Melt Temp.

215240

Back PressureMPa

13~28(higher

Injection PressureMPa

100170

Clamping force appr.ton/in2

4

Injection Speed

Low Speed

Return speed(rpm)

6080

Screw Type

Standard Screw (If larger injection pressure is needed, a small screw can be used instead)

 

 

Downtime processing

Clean with PP

Recycled scraps%

0

 

 

 

 

 

 

 

 

 

 

 

 

 

2.PE PMMA Plastic Molding Parameter

PE PMMA Plastic Molding Parameter

Drying Temp.

*6575

Drying Time Appr.hr

0.5No need to dry

Mold Temp.

4070

Residual materialmm

310

Melt Temp.

180220

Back PressureMPa

7~18

Injection PressureMPa

80130

Clamping force appr.ton/in2

2

Injection Speed

Mid-class

Return Speed(rpm)

60100

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

2040

 

3.PP PMMA Plastic Molding Parameter

PP PMMA Plastic Molding Parameter

Drying Temp.

6575

Drying Time Appr.hr

0.51

Mold Temp.

3565

Residual materialmm

310

Melt Temp.

200250

Back PressureMPa

9~1

Injection PressureMPa

80130

Clamping force appr.ton/in2

2

Injection Speed

Mid-class

Return Speed(rpm)

6090

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

1530

 

 

4.PPS PMMA Plastic Molding Parameter

PPS PMMA Plastic Molding Parameter

Drying Temp.

120130

Drying Time Appr.hr

23

Mold Temp.

85140Heat insulation board

Residual materialmm

310

Melt Temp.

300340

Back PressureMPa

512

Injection PressureMPa

100150

Clamping force appr.ton/in2

45

Injection Speed

Mid to high speed

Return Speed(rpm)

6080

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

2030

 

5.PC/ABS PMMA Plastic Molding Parameter

PC/ABS PMMA Plastic Molding Parameter

Drying Temp.

80

Drying Time Appr.hr

23

Mold Temp.

6080

Residual materialmm

36

Melt Temp.

250280

Back PressureMPa

512

Injection PressureMPa

80140

Clamping force appr.ton/in2

34

Injection Speed

Mid-speed

Return Speed(rpm)

6090

Screw Type

The standard screw Diameter 50mmIt is better to use a screw with a low compression ratio for a large screw

Downtime processing

Close the material gate to cool down and clear beer

Recycled scraps%

1025

 

6.PBT PMMA Plastic Molding Parameter

PBT PMMA Plastic Molding Parameter

Drying Temp.

110120

Drying Time Appr.hr

23

Mold Temp.

5075

Residual materialmm

26

Melt Temp.

250270

Back PressureMPa

510

Injection PressureMPa

100140

Clamping force appr.ton/in2

34

Injection Speed

high speed

Return Speed(rpm)

7090

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

1525

Remarks: Fireproof PBT requires PE material to pass through the gun, and the nozzle material should not be recycled.

 

7.PVC PMMA Plastic Molding Parameter

PVC PMMA Plastic Molding Parameter

Drying Temp.

Do not need to dry, if it is wet, it needs to be dried below 70°C for 1 hour.

 

 

Mold Temp.

3050

Residual materialmm

26

Melt Temp.

160185

Back PressureMPa

48

Injection PressureMPa

70110

Clamping force appr.ton/in2

2

Injection Speed

Slow or Midspeed

Return Speed(rpm)

5080

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Clean with  HDPE/PS

Recycled scraps%

1525

 

 

 

 

8.PET PMMA Plastic Molding Parameter

PET PMMA Plastic Molding Parameter

Drying Temp.

100120

Drying Time Appr.hr

34

Mold Temp.

120140

Residual materialmm

38

Melt Temp.

260295

Back PressureMPa

510

Injection PressureMPa

100140

Clamping force appr.ton/in2

34

Injection Speed

High Speed

Return Speed(rpm)

6090

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Need to clean the barrel with PE or PP material

Recycled scraps%

1020

 

9.PC PMMA Plastic Molding Parameter

PCPMMA Plastic Molding Parameter

Drying Temp.

90110

Drying Time Appr.hr

>2hours

Mold Temp.

80110

Residual materialmm

28

Melt Temp.

280320

Back PressureMPa

6~15

Injection PressureMPa

130180

Clamping force appr.ton/in2

46

Injection Speed

Mid to high speed

Return Speed(rpm)

6080

Screw Type

Standard,ThinAvoid using dehumidifying screw and slingshot nozzle

Downtime processing

Clean with HDPE

Recycled scraps%

1025

 

 

 

10.P0M PMMA Plastic Molding Parameter

P0M PMMA Plastic Molding Parameter

Drying Temp.

No need to dry

If damp, dry for 2 hours below 100℃

 

Mold Temp.

4090

Residual materialmm

26

Melt Temp.

190215

Back PressureMPa

510

Injection PressureMPa

80140

Clamping force appr.ton/in2

24

Injection Speed

Mid-speed

Return Speed(rpm)

5070

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Clean with PP/PE/PS

Recycled scraps%

30

 

11.PA66 PMMA Plastic Molding Parameter

PA66 PMMA Plastic Molding Parameter

Drying Temp.

80

Drying Time Appr.hr

23

Mold Temp.

5090

Residual materialmm

38

Melt Temp.

260290

Back PressureMPa

26

Injection PressureMPa

90140

Clamping force appr.ton/in2

4~8

Injection Speed

high speed especially thin wall

Return Speed(rpm)

7090

Screw Type

Standard screw (do not use dehumidifying screw), needle valve nozzle.

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

515

Remarks: For nylon nozzle material that decomposes due to high moisture content, its performance cannot be restored, and it is difficult to reuse it even if it is re-dried.

 

12.ABS PMMA Plastic Molding Parameter

ABS PMMA Plastic Molding Parameter

Drying Temp.

80

Drying Time Appr.hr

1.5

Mold Temp.

4580

Residual materialmm

28

Melt Temp.

190235

Back PressureMPa

9~1

Injection PressureMPa

90140

Clamping force appr.ton/in2

22.5

Injection Speed

Mid-class

Return Speed(rpm)

70100

Screw Type

Standard screw rod (straight-through nozzle)

 

 

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

2030

 

13.K PMMA Plastic Molding Parameter

K PMMA Plastic Molding Parameter

Drying Temp.

Generally do not need to be dried

It needs to be dried below 65℃ for about 1 hour, if it gets damp

 

Mold Temp.

2060

Residual materialmm

38

Melt Temp.

170250

Back PressureMPa

310

Injection PressureMPa

60100

Clamping force appr.ton/in2

22.5

Injection Speed

Mid-class

Return Speed(rpm)

70100

Screw Type

Ordinary standard type (when the transparency requirements are high, select a special screw)

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

2040

 

14.AS PMMA Plastic Molding Parameter

AS PMMA Plastic Molding Parameter

Drying Temp.

80

Drying Time Appr.hr

12

Mold Temp.

4080

Residual materialmm

310

Melt Temp.

210250

Back PressureMPa

515

Injection PressureMPa

100140

Clamping force appr.ton/in2

22.5

Injection Speed

Mid-class

Return Speed(rpm)

70100

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

0

 

15.HIPS PMMA Plastic Molding Parameter

HIPS PMMA Plastic Molding Parameter

Drying Temp.

80

Drying Time Appr.hr

1hourGenerally do not need to be dried

Mold Temp.

3075

Residual materialmm

410

Melt Temp.

175230

Back PressureMPa

510

Injection PressureMPa

60110

Clamping force appr.ton/in2

2

Injection Speed

Mid-class

Return Speed(rpm)

60100

Screw Type

Standard screw rod (straight-through nozzle)

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

1530

 

16.PS PMMA Plastic Molding Parameter

PS PMMA Plastic Molding Parameter

Drying Temp.

80

Drying Time Appr.hr

1 hourGenerally do not need to be dried

Mold Temp.

4060

Residual materialmm

312

Melt Temp.

180220

Back PressureMPa

510

Injection PressureMPa

70120

Clamping force appr.ton/in2

2

Injection Speed

High Speed

Return Speed(rpm)

60100

Screw Type

Standard screw rod (straight-through nozzle)

 

 

Downtime processing

Just close the material gate and clear beer

Recycled scraps%

0

 

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