Comparison of PVC Pipe Production Formula

Comparison of PVC Pipe Production Formula


Formula of PVC-U pipe material of organic tin system

component

formula 1

formula 2

component

formula 1

formula 2

PVC S - 65

100

100

Titanium dioxide

1.5

1.0

Organic tin stabilizer

0.20.4

0.20.4

paraffin

 

1.2

Calcium stearate

0.50.8

0.8

ACR

 

0.40.8

Polyethylene wax

0.30.6

 

ACR (impact modifier)

 

1.52.0

Microcrystalline wax

0.61.0

 

C

0.005

 

Calcium carbonate

1012

1030

 

 

 

 

Formula of PVC-U pipe material of lead salt system

component

formula 1

formula 2

formula 3

formula 4

formula 5

PVC

SG5 100

K=62-65 100

SG5 100

SG5 100

K=66 100

3 pbo. PbSO4

5.0

1.0

5.5

4

1.82.5

Lead stearate

0.5

0.8

0.7

0.5

 

Calcium stearate

0.5

0.4

1

0.8

 

Barium stearate

2

 

1

1.2

 

Calcium carbonate

 

5.0

 

10

5.0

Barium sulfate

10

 

10

 

 

TiO2

 

1.0-1.5

 

 

1.01.2

paraffin

 

 

1

0.8

 

Polyethylene wax

 

0.2

 

 

 

Oxidized polyethylene wax

 

0.15

 

 

 

Stearic acid

 

0.6

 

 

 

Carbon black

 

0.05

 

 

0.05

pigment

moderate

 

moderate

moderate

 

 

After comparison, Design formula

PVC resin

100

Barium stearate

1.2

CPE resin

4

paraffin

0.4

3 pbo. PbSO4

4

PE wax

0.2

Lead stearate

2

Light calcium carbonate

40