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The following selection
table for Asbestos-free gasketing, is developed to meet specific service
conditions.
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A= SatisfactorySatisfactory |
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MEDIAMEDIAMEDIA |
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*1 Acids *2 Alkalies |
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*1*1 |
*2*2 |
*3*3 |
*4*4 |
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*5*5 |
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B=Depends on operating conditionsconditions
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*3 Gases |
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C= UnsatisfactoryUnsatisfactory |
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Synthetics, Diesters |
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*4 Oils |
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Hardness, Durometer “A” |
Mild |
Corrosive |
Mild |
Corrosive |
Air & Dry |
Bromine, Chlorine |
Oxygen |
Petroleoum |
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Aromatic |
Aliphatic |
Chlorinated |
Refrig., Halocarbons |
Steam Saturated |
Water & Salt Solutions |
*5 Solvents |
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Basic |
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Product |
Composition |
Style |
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Comments |
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Compressed |
Carbon Fiber, |
NA 1137 |
NA |
B |
C |
B |
C |
A |
B |
C |
A |
C |
B |
A |
C |
B |
B |
A |
Saturated Steam |
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Carbon Fiber |
NBR Binder |
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Petroleum Oils |
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Compressed Non- Asbestos |
Synthetic Fiber, NBR Binder |
NA 1125 |
NA |
B |
C |
B |
C |
B |
B |
C |
A |
C |
B |
A |
C |
B |
B |
A |
General Purpose |
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Compressed Non- Asbestos |
Synthetic Fiber, SBR Binder |
NA 1123 |
NA |
B |
C |
B |
C |
B |
C |
C |
C |
C |
C |
C |
C |
C |
B |
B |
General Purpose |
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Compressed Non- Asbestos |
Synthetic Fiber, CR Binder |
NA 300 |
NA |
B |
C |
B |
C |
B |
C |
C |
B |
C |
C |
B |
C |
A |
C |
B |
Excellent for Most Refrigerants |
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Compressed |
Synthetic Fiber, |
NA 1190 |
NA |
B |
C |
A |
C |
B |
C |
C |
C |
B |
C |
C |
C |
C |
B |
A |
Ozone |
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Non- Asbestos |
EPDM Binder |
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Resistance |
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PTFE Proprietary Process |
PTFE Filled |
Gylon 3500 Fawn |
NA |
A |
B |
C |
C |
A |
A |
C |
A |
A |
A |
A |
A |
A |
B |
A |
Chemical Resistance |
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PTFE Proprietary Process |
Expanded PTFE |
Quimslex |
NA |
A |
B |
C |
C |
A |
A |
C |
A |
A |
A |
A |
A |
A |
C |
A |
Chemical Resistance, High Compressibility
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PTFE Proprietary |
PTFE Filled |
Gylon 3510 |
NA |
A |
B |
A |
A |
A |
A |
C |
A |
A |
A |
A |
A |
A |
B |
A |
Low Cold Flow, |
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Process |
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White |
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Chemical Resistance, |
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PTFE |
PTFE |
PTFE 1140 |
NA |
A |
A |
A |
A |
A |
A |
C |
A |
A |
A |
A |
A |
A |
B |
A |
Chemical Resistance |
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Flexible Graphite |
Graphite |
Graphite 1308 |
NA |
A |
A |
A |
A |
A |
B |
C |
A |
A |
A |
A |
A |
A |
B |
A |
High Temperature |
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Homogeneous |
Natural |
Gum 1121 |
35 |
B |
C |
B |
C |
B |
C |
C |
C |
C |
C |
C |
C |
C |
C |
A |
Tear and Abrasion |
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Rubber |
Rubber |
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Resistance |
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Homogeneous Rubber |
S B R |
SBR 1110 |
80 |
B |
C |
B |
C |
B |
C |
C |
C |
C |
C |
C |
C |
C |
B |
A |
Red Rubber, General Service |
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Homogeneous Rubber |
Neoprene(CR) |
CR 1112 |
60 |
B |
C |
B |
C |
B |
C |
C |
B |
C |
C |
B |
C |
B |
C |
A |
Neoprene General Service |
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Homogeneous Rubber |
Nitrile(NBR) |
NBR 1113 |
60 |
B |
C |
B |
C |
B |
C |
C |
A |
C |
B |
A |
C |
C |
C |
B |
Petroleum Oils, Fuels Nitrile, Buna-N
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Homogeneous Rubber |
EPDM |
EPDM 1152 |
60 |
A |
B |
A |
B |
B |
C |
C |
C |
C |
C |
C |
C |
C |
B |
A |
Ozone Resistance |
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Reinforced Rubber |
SBR Rubber Cotton |
SBR/ CIR |
80 |
B |
C |
B |
C |
A |
C |
C |
C |
C |
C |
C |
C |
C |
B |
A |
Cotton Sheeting |
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Reinforced Neoprene |
Neoprene(CR) Duck |
CR/ CIR |
50 |
B |
C |
B |
C |
A |
C |
C |
B |
C |
C |
B |
C |
B |
B |
A |
Heavy Cotton Resistance |
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Vegetable |
Cellulose Fiber |
VF 1134 |
NA |
C |
C |
C |
C |
B |
C |
C |
A |
C |
B |
B |
C |
C |
C |
C |
Soft,Resilient, |
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Fiber |
Cork, Glue, Glycerine |
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Non-Water |
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Vegetable |
Cellulose Fiber |
VF 1135 |
NA |
C |
C |
C |
C |
B |
C |
C |
A |
C |
B |
B |
C |
C |
C |
C |
Firm, |
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Fiber |
Glue, Glycerine |
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Non-Water |
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Silicone |
Silicone |
Silicone 1155 |
50 |
C |
C |
B |
B |
B |
C |
B |
C |
C |
C |
C |
C |
C |
C |
A |
Good High & |
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Rubber |
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Low Temperatures |
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Viton® |
Fluoroelastomer |
Viton® 1150 |
80 |
A |
A |
A |
A |
A |
B |
B |
A |
A |
A |
A |
B |
C |
C |
A |
Good Heat & |
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Rubber |
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Chemical Resistance |
Note: Gylon is a
registered Trademark of Garlock. Quimslex is a registered trademark of Teadit.
The information in this chart should only be used as a general guide to the
selection of a suitable material.
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