COMPOUNDS

Al Amal Rubber™  provides a specialist service in the recovery of rubber covered rollers in all rubbers including silicones and polyurethanes.

We offer a variety of elastomeric compounds for your rubber roller recovering. Please see our compound comparison chart to help you select the right compound for your specific application.

Compounds we use

Rubber: Buna Nitrile Carboxylated Nitrile EPDM EPDM / Silicone Blend Hydrogenated Nitrile Hypalon Hypalon / Silicone Blend Natural Neoprene Nitrile / PVC Blend SBR Silicone Viton Polyurethane: Polyester Polyether Millable Specialty: Anti-Static Electrically Conductive Corona Treater - Hypalon and Silicone Dual Durometer Ebonite - Natural and Nitrile FDA Approved Foam Fiber Filled for Strength Grit Filled for Texture Silicone - High Release Silicone - High Temperature Tacky for Contaminant Removal Teflon Filled for Added Release Teflon Sleeves Thermally Conductive

We use the following system to rate our compounds:

         5 – Excellent
                     4 – Above Average
        3 – Average
2 – Fair
 1 – Poor

Physical Properties

  

Hardness Range Shore A

Abrasion Resistance

Tear Resistance

Load Bearing

Hysteresis

Resistance to Denting

Maximum Service Temperature (° C/° F)

Ozone Resistance

Resiliency

Carboxylated Nitrile

Carboxylated Nitrile compounds offering outstanding abrasion resistance and toughness (45-90 duro).

45-95

5

5

5

1

2

135/275

1

2

EPDM

EPDM type rubber compounds offering toughness, chemical resistance and low swell to specific solvents (20-95 duro).

20-95

4

3

3

2

3

177/350

5

4

EPDM/Silicone

Unique blend of EPDM and Silicone offering improved toughness over Silicone with better release and high temperature resistance than EPDM (40-95 duro).

40-95

3

2

2

3

3

185/365

5

4

Hydrogenated Nitrile

Hydrogenated or highly saturated Nitrile compounds with outstanding heat and abrasion resistance (50-98 duro).

50-98

5

5

5

5

3

160/320

5

4

Hypalon

Hypalon compounds which are tough and hard-wearing for dry applications (30-95 duro).

30-95

4

4

5

2

2

149/300

5

3

Natural

Natural rubber based compounds for general roller use requiring toughness and dynamic properties (25-99 duro).

25-99

5

5

5

5

5

100/212

1

5

Neoprene

Neoprene compounds with good all-around properties for industrial applications (5-95 duro).

5-95

3

4

4

4

2

121/250

3

4

Nitrile Rubber

Nitrile (NBR, Buna N) compounds for general usage requiring oil resistance (20-95 duro).

20-95

3

3

4

2

3

121/250

1

3

Nitrile/PVC

Unique blends of Nitrile rubber and PVC. The softer compounds (20-50 duro) are for offset printing applications and the harder compounds (50-95 duro) are for industrial applications.

20-95

4

3

3

1

1

121/250

4

2

Polyurethane

Polyurethane offers outstanding abrasion resistance and toughness for dry applications (20-95 duro).

20-95

5

5

5

5

5

100/212

4

4

Silicone

Silicone compounds giving high temperature resistance and high release, formulated specifically for roller applications (40-90 duro).

40-90

1

1

1

5

5

260-500

5

1

Solvent Resistance

  

Acids

Caustics

Paraffinic Hydrocarbons

Aromatic Hydrocarbons

Chlorinated Hydrocarbons

Water

Ketones

Alcohols

Esters

Carboxylated Nitrile

Carboxylated Nitrile compounds offering outstanding abrasion resistance and toughness (45-90 duro).

2

3

5

3

1

3

2

4

1

EPDM

EPDM type rubber compounds offering toughness, chemical resistance and low swell to specific solvents (20-95 duro).

5

5

1

2

1

5

5

5

5

EPDM/Silicone

Unique blend of EPDM and Silicone offering improved toughness over Silicone with better release and high temperature resistance than EPDM (40-95 duro).

4

4

1

2

2

4

5

4

3

Hydrogenated Nitrile

Hydrogenated or highly saturated Nitrile compounds with outstanding heat and abrasion resistance (50-98 duro).

3

4

5

3

4

4

2

5

1

Hypalon

Hypalon compounds which are tough and hard-wearing for dry applications (30-95 duro).

2

2

3

2

1

3

3

4

3

Natural

Natural rubber based compounds for general roller use requiring toughness and dynamic properties (25-99 duro).

3

3

1

1

1

5

5

5

5

Neoprene

Neoprene compounds with good all-around properties for industrial applications (5-95 duro).

3

4

3

2

1

3

3

4

3

Nitrile Rubber

Nitrile (NBR, Buna N) compounds for general usage requiring oil resistance (20-95 duro).

2

3

5

3

1

4

2

5

1

Nitrile/PVC

Unique blends of Nitrile rubber and PVC. The softer compounds (20-50 duro) are for offset printing applications and the harder compounds (50-95 duro) are for industrial applications.

3

3

5

4

1

4

1

5

1

Polyurethane

Polyurethane offers outstanding abrasion resistance and toughness for dry applications (20-95 duro).

1

1

5

5

1

1

1

4

2

Silicone

Silicone compounds giving high temperature resistance and high release, formulated specifically for roller applications (40-90 duro).

4

4

2

3

3

4

3

4

3

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