Mechanical/Physical Properties

RAMEX® VR - NATURAL VIRGIN

PHYSICAL PROPERTIES TYPICAL VALUES TEST METHODS
Density, g/cm3

0.930 - 0.940

 ASTM D 792
Hardness, Rockwell R Scale

64 - 68

 ASTM D 785
     Durometer (D/15)

68 - 72

 ASTM D 2240
Deflection temperature ° F (° C)   ASTM D 648
     At 66 psi

174 (79)

  
     At 264 psi

115 (46)

  
Recommended Operating Temperature Range   Internal
     Maximum Continuous, ºF (ºC)

180 (82)

  
     Minimum Continuous, ºF (ºC)

Cryogenic

  
Tensile properties   ASTM D 638
     Maximum strength, psi

4,800 – 6,200

 2 in./min
                                MPa

33 - 43

  
     Yield strength, psi

2,900 - 3,500

  
                                MPa

20 - 24

  
     Modulus, psi

100,000 - 150,000

  
                                MPa

689 - 1033

  
     Elongation at break, %

300 - 450%

  
Flexural modulus, psi

100,000 - 150,000

 ASTM D 790
                                MPa

689 - 1033

  
Izod impact strength at 23° C, ft-lbs/in2 (KJ/m2 )    
     Notched

No break

 ASTM D 256A
     Double Notched

> 20 (42)

 Internal
Mean coefficient of linear thermal expansion per ° C

2 x 10- 4

ASTM D 696
Coefficient of friction against Cr-plated steel at 23° C   ASTM D 1894
     Static

.20 - .25

  
     Dynamic

.14 - .17

  
Abrasion Index (Relative to steel at 100)

10

 Sand Slurry
Dielectric constant, 60 cycles to 106 cycles

2.3-2.35

 ASTM D 150
Surface Resistivity, ohms

>101 6

ASTM D 257
Volume Resistivity, ohms-cm

>101 6

ASTM D 257

We cannot anticipate all conditions under which this information and our products, or the products of other manufacturers in combination with our products, may be used. We accept no responsibility for results obtained by the application of this information or the safety and suitability of our products, whether alone or in combination with other products. Users are advised to make their own tests to determine the safety and suitability of each such product or product combination for their own purposes. Unless otherwise agreed in writing, we sell the products without warranty, and buyers and users assume all responsibility and liability for loss or damage arising from the handling and use of our products, whether used alone or in combination with other products. For most recent technical information, phone (800) 346-1739 in USA or (800) 661-2387 in Canada.

Date Issued: November 14, 1997 Date Revised: June 14, 1999

RAMEX® EX - MODIFIED, CROSS-LINKED, UV STABILIZED

PHYSICAL PROPERTIES TYPICAL VALUES TEST METHODS
Density, g/cm3

0.955 - 0.965

 ASTM D 792
Hardness, Rockwell R Scale

64 - 68

 ASTM D 785
Recommended Operating Temperature Range    
     Maximum Continuous, ºF (ºC)

180 (82)

  
     Minimum Continuous, ºF (ºC)

-22 (-30)

  
Tensile properties   ASTM D 638
     Maximum strength, psi

3,600 -4,400

 2 in./min
                                   MPa

25 - 30

  
     Yield strength, psi

2,500 - 3,000

  
                                  MPa

17 - 20

  
     Elongation at break, %

200 - 250%

  
Flexural modulus, psi

80,000 - 100,000

 ASTM D 790
                                 MPa

556 – 694

  
Izod impact strength at 23° C, ft-lbs/in. (J/M)    
     Notched

No break

 ASTM D 256A
Mean coefficient of linear thermal expansion per ° C

1.8 x 10- 4

ASTM D 696
Coefficient of friction against Cr-plated steel at 23° C   ASTM D 1894
     Static

.20 - .25

  
     Dynamic

.12 - .16

  
Abrasion Index (Relative to steel at 100)

6.5 - 7.5

 Sand Slurry
Surface Resistivity, ohms

>101 6

ASTM D 257
Volume Resistivity, ohms-cm

>101 6

ASTM D 257

We cannot anticipate all conditions under which this information and our products, or the products of other manufacturers in combination with our products, may be used. We accept no responsibility for results obtained by the application of this information or the safety and suitability of our products, whether alone or in combination with other products. Users are advised to make their own tests to determine the safety and suitability of each such product or product combination for their own purposes. Unless otherwise agreed in writing, we sell the products without warranty, and buyers and users assume all responsibility and liability for loss or damage arising from the handling and use of our products, whether used alone or in combination with other products. For most recent technical information, phone (800) 346-1739 in USA or (800) 661-2387 in Canada.

Date Issued: November 21, 1997 Date Revised: July 12, 1999

RAMEX® RP - REPROCESSED

PHYSICAL PROPERTIES TYPICAL VALUES TEST METHODS
Density, g/cm3

0.930 - 0.940

 ASTM D 792
Hardness, Rockwell R Scale

64 - 68

 ASTM D 785
     Durometer (D/15)

68 - 72

 ASTM D 2240
Operating Temperature    
     Maximum Continuous, ºF (ºC)

180 (82)
     Maximum Continuous, ºF (ºC)

-22 (-30)

  
Tensile properties   ASTM D 638
     Maximum strength, psi

3,500 - 5,200

 2 in./min
                                   MPa

24 - 36
     Yield Strength, psi

2,500 - 3,100
                                  MPa

17 - 21
     Modulus, psi

100,000 - 150,000
                                 MPa

689-1083
     Elongation at break, %

200 - 400
Flexural Modulus, psi

100,000 - 150,000

 ASTM D 790
                                MPa

689-1083

  
Izod impact strength at 23° C, ft-lbs/in. (J/M)    
     Notched

No break

 ASTM D 256A
Mean coefficient of linear thermal expansion per ° C

2 x 10- 4

ASTM D 696
Coefficient of friction against Cr-plated steel at 23° C   ASTM D 1894
     Static

.20 - .30

  
     Dynamic

.14 - .18

  
Abrasion Index (Relative to steel at 100)

9 -11

 Sand Slurry

We cannot anticipate all conditions under which this information and our products, or the products of other manufacturers in combination with our products, may be used. We accept no responsibility for results obtained by the application of this information or the safety and suitability of our products, whether alone or in combination with other products. Users are advised to make their own tests to determine the safety and suitability of each such product or product combination for their own purposes. Unless otherwise agreed in writing, we sell the products without warranty, and buyers and users assume all responsibility and liability for loss or damage arising from the handling and use of our products, whether used alone or in combination with other products. For most recent technical information, phone (800) 346-1739 in USA or (800) 661-2387 in Canada.

Date Issued: November 14, 1997 Date Revised: June 14, 1999

RAMEXÒ SR - STATIC REDUCED

PHYSICAL PROPERTIES TYPICAL VALUES TEST METHODS
Density, g/cm3

0.93 - 0.94

 ASTM D 792
Hardness, Durometer Shore D

67 - 70

 ASTM D 2240
Tensile properties   ASTM D 638
     Maximum strength, psi

4,800 - 5,600

 2 in./min
                                    MPa

33 - 39

  
     Yield strength, psi

2,800 - 3,200

  
                                   MPa

19 - 22

  
     Elongation at break, %

300 - 400

  
     Modulus of elasticity, psi

100,000 - 150,000

  
                                  MPa

689 - 1033

  
Flexural Modulus, psi

100,000 - 150,000

 ASTM D 790
                                 MPa

689 - 1033

  
Izod impact strength at 23° C, ft-lbs/in.    
     Notched

No break

 ASTM D 256A
Mean coefficient of linear thermal expansion per ° C   ASTM D 696
     -30° to 30° C

1.8 x 10- 4

 
Operating Temperature
     Maximum Continuous ° F (° C)

180 (82)
     Minimum

-22 (-30)
Coefficient of friction against Cr-plated steel at 23° C   ASTM D 1894
     Static

.20 - .25

  
     Dynamic

.12 - .16

  
Abrasion Index (Relative to steel at 100)

10

 Sand Slurry
Surface Resistivity, ohms

105 to 107

 ASTM D 257
Volume Resistivity, ohms-cm

105 to 107

 ASTM D 257

We cannot anticipate all conditions under which this information and our products, or the products of other manufacturers in combination with our products, may be used. We accept no responsibility for results obtained by the application of this information or the safety and suitability of our products, whether alone or in combination with other products. Users are advised to make their own tests to determine the safety and suitability of each such product or product combination for their own purposes. Unless otherwise agreed in writing, we sell the products without warranty, and buyers and users assume all responsibility and liability for loss or damage arising from the handling and use of our products, whether used alone or in combination with other products. For most recent technical information, phone (800) 346-1739 in USA or (800) 661-2387 in Canada.

Date Issued: November 18, 1997 Date Revised: June 14, 1999

RAMEX® XL - CROSS-LINKED

PHYSICAL PROPERTIES TYPICAL VALUES TEST METHODS
Density, g/cm3

0.930 - 0.940

 ASTM D 792
Hardness, Rockwell R Scale

49 - 53

 ASTM D 785
Recommended Operating Temperature Range    
     Maximum Continuous, ºF (ºC)

180 (82)

  
     Minimum Continuous, ºF (ºC)

-22 (-30)

  
Tensile properties   ASTM D 638
     Maximum strength, psi

3,400 - 4,200

 2 in./min
                                   MPa

24 - 29

  
     Yield strength, psi

2,400-2,900

  
                                  MPa

17 - 20

  
     Elongation at break, %

250 - 350

  
Flexural modulus, psi

70,000 – 90,000

 ASTM D 790
                                 MPa

481 - 618

  
Izod impact strength at 23° C, ft-lbs/in. (J/M)    
     Notched

No break

 ASTM D 256A
Mean coefficient of linear thermal expansion per ° C

1.8 x 10- 4

ASTM D 696
Coefficient of friction against Cr-plated steel at 23° C   ASTM D 1894
     Static

.20 - .25

  
     Dynamic

.13 - .17

  
Abrasion Index (Relative to steel at 100)

7.0 - 8.0

 Sand Slurry
Surface Resistivity, ohms

>101 6

ASTM D 257
Volume Resistivity, ohms-cm

>101 6

ASTM D 257

We cannot anticipate all conditions under which this information and our products, or the products of other manufacturers in combination with our products, may be used. We accept no responsibility for results obtained by the application of this information or the safety and suitability of our products, whether alone or in combination with other products. Users are advised to make their own tests to determine the safety and suitability of each such product or product combination for their own purposes. Unless otherwise agreed in writing, we sell the products without warranty, and buyers and users assume all responsibility and liability for loss or damage arising from the handling and use of our products, whether used alone or in combination with other products. For most recent technical information, phone (800) 346-1739 in USA or (800) 661-2387 in Canada.

Date Issued: December 8, 1998 Date Revised: May 12, 1999

 

The contents of this site is Copyright ©2000 SYMPLASTICS LIMITED.