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Vinacar
Roll Coverings
April 25, 1995 Rev. 1
| Isoprene Rubber
| SBR Rubber
| Neoprene Rubber
| Butyl Rubber
| Nitrile Rubber
| EPDM Rubber
| EPM Rubber
| Hypalon Rubber
| Polyurethane Rubber
| Vinacar
I, II, III, IV
| Polyspun Rubber
| Vinalloy
|
| Tensile Strength (PSI)
Pure Gum
Reinforced
|
1000
4000
|
500
3000
|
3000
3000
|
1500
2000
|
500
3000
|
400
3000
|
300
3000
|
2100
2800
|
4000
4000
|
500
4000
|
500
3000
|
N/A
3500 +
|
| Shore `A' Hardness Range
|
30 -100
|
40 - 100
|
40 -95
|
40 -75
|
30 -100
|
45 - 95
|
45 - 95
|
45 -95
|
15 - 100 +
|
70 - 95
|
50 -100
|
100 +
|
| Resilience
Room Temp.
Hot Ambient
|
Excellent
Excellent
|
Good
Good
|
Good
Good
|
Poor
Good
|
Fair
Fair
|
Good
Good
|
Good
Good
|
Good
Excellent
|
Excellent
Poor
|
Good
Good
|
Excellent
Good
|
N/A
N/A
|
| Tear Resistance
| Fair - Good
| Fair
| Good
| Good
| Fair
| Good
| Good
| Fair
| Excellent
| Superior
| Superior
| Superior
|
| Abrasion Resistance
|
Excellent
| Good -
Excellent
|
Excellent
| Fair -
Good
|
Fair
| Good -
Excellent
| Good -
Excellent
|
Excellent
| Good -
Excellent
|
Superior
|
Superior
|
Superior
|
| Cut Growth
Resistance
|
Poor
|
Good
|
Good
|
Good
|
Good
|
Good
|
Good
|
Good
|
Good
|
Excellent
|
Superior
|
Superior
|
| Atmospheric Aging Resistance
| Poor
Excellent
| Poor -
Excellent
|
Excellent
| Good -
Excellent
|
Fair
|
Excellent
|
Excellent
|
Excellent
|
Good
|
Excellent
|
Superior
|
Superior
|
| Oxidation Resistance
|
Good
|
Good
|
Good
| Good -
Excellent
|
Fair
|
Excellent
|
Excellent
|
Excellent
|
Excellent
|
Excellent
|
Excellent
|
Superior
|
| Heat Resistance
|
Good
|
Good
|
Good
| Good -
Excellent
|
Good
| Good -
Excellent
| Good -
Excellent
|
Excellent
|
Poor
| Excellent
to 350 F
| Good -
Excellent
|
Excellent
|
| Low Temperature
Flexibility
|
Excellent
|
Good
|
Fair
|
Fair
|
Fair
| Good -
Excellent
| Good -
Excellent
|
Fair
|
Poor
|
Good
|
Poor
|
Poor
|
Compression Set
| Fair -
Good
|
Fair
|
Good
|
Fair
|
Good
|
Excellent
|
Excellent
|
Fair
|
Good
|
Good
|
Good
|
Good
|
| Permeability
Resistance
|
Fair
|
Fair
|
Good
|
Excellent
|
Excellent
|
Fair
|
Fair
|
Good
|
Good
|
Excellent
| Poor -
Good
|
Excellent
|
Chemical
Resistance
Dilute Acid
Dilute Alkaline
Hydrocarbons
|
Good
Poor
Poor
|
Fair -
Good
Fair
Poor
|
Excellent
Fair -
Good
Good
|
Excellent
Good
Poor
|
Good
Good
Excellent
|
Excellent
Fair
Poor
|
Excellent
Fair
Poor
|
Excellent
Good
Fair
|
Fair
Poor
Good
|
Excellent
Superior
Excellent
|
Depends
Poor
Excellent
|
Superior
Excellent
Depends
|
| Moisture
Resistance
| Fair -
Good
| Good -
Excellent
|
Fair
|
Fair
|
Excellent
|
Excellent
|
Excellent
|
Excellent
|
Poor
|
Superior
|
Excellent
|
Excellent
|
| Oil
Resistance
|
Good
|
Good
|
Good
|
Fair
|
Fair
|
Fair
|
Fair
|
Good
|
Good
|
Excellent
|
Excellent
|
N/A
|
| Coefficient of
Friction
|
Good
|
Good
|
Good
|
Good
|
Good
|
Fair
|
Fair
|
Good
|
Good
|
Excellent
|
Superior
|
Good
|
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