Caprolon (block polyamide 6)

Parameter name

Norm

ПА 6

ПА 6-МГ

ПА 6-МДМ

Grade А

Grade B

Appearance

Sheets, tubes, rods with smooth surface without holes, cracks, from white to cream color

Sheets, tubes, rods with smooth surface without holes, cracks, from grey to black color

Pores number from 0,8  to 1,5 mm on the product surface, pcs., no more

None

2

2

Bending stress at inflexion equal to 1,5 thickness of a sample, mPa,  no less 

90

80

95

85

ПА 6-МГ – block polyamide 6, modified by graphite

ПА 6-МДМ – block polyamide 6, modified by molybdenum disulphide

Length, L_max

Limit deviation

Width, В

Limit deviation

Thickness, s

Limit deviation

1400

+50

950

±50

10

+2

15

20

1000

25

30

35

40

50

60

70

80

+5

90

100

110

120

150

180

210

240

270

300

Length, L_max

Limit deviation

Outside diameter, D_н

Limit deviation

Inside diameter, d

Limit deviation

1400

+50

80

+5

40 - 70

-10

100

45 - 90

120

50 - 100

150

50 - 130

170

60 - 140

175

60 - 150

190

70 - 160

220

70 - 175

240

80 - 200

250

85 - 210

-20

270

90 - 220

290

100 - 230

315

+7

110 - 250

350

120 - 270

390

140 - 330

450

150 - 340

490

160 - 380

580

+10

180 - 460

Lenght, L

Limit deviation

Diameter, D

Limit deviation

1000

+50

-100

20

+1

25

30

40

45

+2

50

60

70

80

90

950

±50

100

120

+4

130

150

160

170

180

210

700

±100

230

240

250

280

290

300

500

±50

315

340

440

+5

460

510

+7

575

600

675

815

Item

Parameter figure

ПА 6

ПА 6–МГ

ПА 6–МДМ

1 Density, kg/m³

1140 - 1160

1140 - 1170

1140 - 1160

2 Tension modulus, МPа

2300 - 3000

2500 - 4600

2500 - 3000

3 Tensile yield stress, МPа

65 - 80

65 - 80

65 - 80

4 Stress at break,mPa

70 - 80

65 - 80

70 - 85

5 Elongation at rupture, %

> 20

10 - 30

> 25

6 Stress at relative compression strain equal to 25%, mPa

120 - 130

120 - 140

120 - 140

7 Fiction coefficient against steel

0,23 - 0,33

0,20 - 0,25

0,20 - 0,25

8 Ball indentation hardness, mPa

160 - 180

170 - 200

160 - 180

9 Impact viscosity, kJ/m², no less:

without cut

with cut

120*

3

40

4

120*

3

10 Water absorption:

for 24 hours, %

max %

1,5 - 2,0

6,0 - 7,0

1,0 - 1,5

6,5 - 7,0

1,0 - 1,5

6,0 - 7,0

11 Extractives content, %, no more

2,0

2,0

2,0

12 Melting point, ºС

220 - 225

215 - 225

220 - 225

13 Bending temperature under load at stress 1,8 mPa, ºС

80 - 100

80 - 100

80 - 100

14 Conductivity factor at room temperature, W/m °C.

0,30 - 0,35

0,37 - 0,50

0,30 - 0,40

15 Mean coefficient of linear thermal expansion for 1ºС in temperature intervals:

from – 50 ºС to 0 ºС

from 0 ºС to + 50 ºС

6,6 · 10^-5

9,8 · 10^-5

6,6 · 10^-5

9,8 · 10^-5

2,8 · 10^-5

4,0 · 10^-5

16 Electric strength, kW/mm

25 - 35

–

20 - 25

17 Surface resistivity, Оm

1 · 10¹⁴ –

3 · 10¹⁵

1 · 10¹¹  –

 1 · 10¹³

1 · 10¹²  –

 1 · 10¹³

18 Volume resistivity, Оm·m

1 · 10¹⁴  –

8 · 10¹⁴

1 · 10¹¹  –

 1 · 10¹³

1 · 10¹³  –

 1 · 10¹⁴

19 Dielectric loss factor at 10⁶ Hz

0,015 - 0,025

0,020 - 0,030

0,015 - 0,025

20 Dielectric capacitivityat 10⁶ Hz

3,3 - 3,5

3,5 - 4,0

3,3 - 3,6

*   Samples d not destroy when tested