Excellent Oil & Gasoline Resistance • Superior Petroleum-Based Hydraulic Fluid Resistance • Very Good Alkalis and Acids Resistance

Nitrile Rubber Solutions

At WARCO, our nitrile rubber products are designed to deliver dependable performance in the toughest environments. Whether you need a robust NBR sheet or a custom formulation, our nitrile rubber is engineered to offer exceptional resistance to oil, chemicals, and extreme temperatures—making it the ideal choice for a variety of industrial applications.

Select any of these drop down options to learn more about Nitrile Rubber. Our team has organized lists of key properties relating to the rubber products which use the nitrile polymer. We encourage you to select through these lists and advise that you reach out to us directly for any questions so we can direct you to our technical team.

General Information

Common Name:
Nitrile, Buna-N, NBR

Chemical Name:
Acrylonitrile-butadiene

Generally Resistant To:
Gases, Aliphatic Hydrocarbon, Oils and Fuels

Generally Attacked By:
Ketones, Ozone, Sunlight, Aromatic Oil, Flame, Weather

ASTM D 2000 / SAE J200 Classification:
BF, BG, BK, CH

MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification:
SB

ASTM D-1418 Designation:
NBR

Elongation:
400% to 600%

Hardness Range (Durometer Shore A):
35 to 90

Compression Set:
Good

Rebound Rating:
Good

Flex Cracking Resistance:
Good

Abrasion Resistance:
Good to Excellent

Tear Resistance:
Good

Impact Resistance:
Fair to Good

Flame Resistance:
Poor

Minimum Service Temperature:
-30°F to -70°F

Maximum Service Temperature:
+220 to +280°F

Recommended Shelf Life:
5 to 10 years

Weather Resistance:
Poor

Sunlight Resistance:
Poor

Ozone Resistance:
Poor

Oxidization Resistance:
Good

Water Resistance:
Good to Excellent

Steam Resistance:
Fair

Gas Permeability:
Fair to Good

Radiation Resistance:
Good, 1 x 105 Ga Gy
Fair, 6 x 105 Ga Gy

Acetone:
NOT RECOMMENDED

Amonium Hydroxide:
NOT RECOMMENDED

Carbon Dioxide:
RECOMMENDED: Little or Minor Effect

Chlorine:
DRY: – – –
WET: – – –

Fluorine (Liquid):
– – –

Fuel Oil:
RECOMMENDED: Little or Minor Effect

Gasoline:
RECOMMENDED: Little or Minor Effect

Hydrochloric Acid 37%:
HOT:NOT RECOMMENDED
COLD: Minor to Moderate Effect

Hydrochloric Acid Concentrate 37%:
HOT: NOT RECOMMENDED
COLD: NOT RECOMMENDED

Kerosene:
RECOMMENDED: Little or Minor Effect

Methyl Ethyl Ketone:
NOT RECOMMENDED

Mineral Oil:
RECOMMENDED: Little or Minor Effect

Naptha:
Moderate to Severe Effect

Natural Gas:
RECOMMENDED: Little or Minor Effect

Nitric Acid:
Concentrate: NOT RECOMMENDED
Dillute: NOT RECOMMENDED
Red Fuming: NOT RECOMMENDED

Petroleum:
Below 250: RECOMMENDED: Little or Minor Effect
Above 250: Moderate to Severe Effect

Phosphoric Acid:
20%: Minor to Moderate Effect
45%: NOT RECOMMENDED

Propane:
RECOMMENDED: Little or Minor Effect

Skydrol:
Skydrol 500: NOT RECOMMENDED
Skydrol 7000: NOT RECOMMENDED

Sodium Hydroxide:
Minor to Moderate Effect

Sulfuric Acid:
Concentrate: NOT RECOMMENDED
Dillute: NOT RECOMMENDED
20% Oleum: NOT RECOMMENDED

Toluene:
NOT RECOMMENDED

Transformer Oil:
RECOMMENDED: Little or Minor Effect

Vinegar:
Minor to Moderate Effect

  • Actual shelf life could vary dramatically based on storage conditions
  • Store in a cool, dry place with temperature below 75°F
  • Keep away from direct heat or open flames
  • Avoid contact with solvents or other fluids
  • Do not store in direct sunlight
  • Keep products wrapped or sealed to minimize the absorption of moisture
  • Store in a relaxed condition free from tension, compression or other deformation

See Rubber Storage Conditions for more information about how to properly store your rubber products

Benefits of Nitrile Rubber

  • Excellent Oil & Gasoline Resistance: Keeps products performing under stress.
  • Superior Hydraulic Fluid Resistance: Ideal for high-pressure applications.
  • Chemical Durability: Withstands exposure to alkalis and acids.
  • Wide Temperature Range: Functions effectively in varying hot or cold applications.
  • Customizable Formulations: Tailored to meet the unique needs of your application.
  • Long-Lasting Performance: Engineered for durability in high-demand environments.
  • Spec Grade Materials: Can be formulated to meets ASTM, MIL, and FDA specifications

Each product can be customized to meet your application, such as meeting your specifications, physical properties, & various material aspects.

Common Applications of Nitrile Rubber

  • Automotive seals, gaskets, and fuel hoses
  • Hydraulic and pneumatic components
  • Industrial oil seals and chemical-resistant parts
  • Transformer oil applications
  • Fuel containment and lubricant systems
  • Specialty components in the petroleum sector
  • Custom solutions for demanding industrial uses

Premium Grade Nitrile

Premium Nitrile

Durometer: 40 to 90 Temperature Range: -30°F to +220°F
Specs: ASTM D2000 M1BG

Specification Grade Nitrile

MIL-R-6855 / MIL–PRF–6855 Class 1

Durometer: 40 to 80 Temperature Range: -50°F to +220°F
Specs: MIL-R-6855 Class 1

MIL–R–3065 SB

Durometer: 40 to 80 Temperature Range: -40°F to +220°F
Specs: MIL-R-3065 SB

AMS 3215 Fuel Resistant (Nitrile)

Durometer: 70 Temperature Range: -30°F to +220°F
Specs: AMS 3215

ASTM D2000 M5BG

Durometer: 40 to 70 Temperature Range: -40°F to +220°F
Specs: ASTM D2000 M5BG

Nitrile MIL–G–1149

Durometer: 50 Temperature Range: -30°F to +200°F
Specs: MIL-G-1149

MIL–R–2765

Durometer: 40 Temperature Range: -50°F to +220°F
Specs: MIL–R–2765

Specialty Nitrile

WARCO White® FDA Nitrile

Durometer: 45 to 85 Temperature Range: -30°F to +220°F
Specs: ASTM D2000 M1BG, FDA Approved Ingredients per 21 CFR 177.2600

Transformer Oil Nitrile

Durometer: 60 to 70 Temperature Range: -20°F to +250°F
Specs: ASTM D2000 5BG, General Electric

Mid-Grade Nitrile

Durometer: 40 to 80 Temperature Range: -30°F to +200°F
Specs: ASTM D2000 1BG

Bio Diesel Nitrile

Durometer: 60 to 70 Temperature Range: -40°F to +220°F
Specs: Compatible with Bio-Diesel B20 & B100

Compound Number, Durometer and Material Type
030P1166 – 30 Durometer Nitrile 030P1237 – 30 Durometer Nitrile 030P1239 – 30 Durometer Nitrile 035P1248 – 35 Durometer Nitrile 035P1251 – 35 Durometer Nitrile
040P1073 – 40 Durometer Nitrile 040P1074 – 40 Durometer Nitrile 040P1084 – 40 Durometer Nitrile 040P1097 – 40 Durometer Nitrile 040P1147 – 40 Durometer Nitrile
040P1155 – 40 Durometer Nitrile 040P1182 – 40 Durometer Nitrile 040P1198 – 40 Durometer Nitrile 040P1216 – 40 Durometer Nitrile 040P1224 – 40 Durometer Nitrile
040P1236 – 40 Durometer Nitrile 040P1247 – 40 Durometer Nitrile 040P1249 – 40 Durometer Nitrile 040P1252 – 40 Durometer Nitrile 040P1256 – 40 Durometer Nitrile
040P1268 – 40 Durometer Nitrile 045P0473 – 45 Durometer Nitrile 045P1037 – 45 Durometer Nitrile 045P1085 – 45 Durometer Nitrile 045P1168 – 45 Durometer Nitrile
045P1171 – 45 Durometer Nitrile 045P1185 – 45 Durometer Nitrile 045P1197 – 45 Durometer Nitrile 045P1199 – 45 Durometer Nitrile 045P1245 – 45 Durometer Nitrile
045P1246 – 45 Durometer Nitrile 045P1271 – 45 Durometer Nitrile 045P1296 – 45 Durometer Nitrile 050P1040 – 50 Durometer Nitrile 050P1045 – 50 Durometer Nitrile
050P1059 – 50 Durometer Nitrile 050P1123 – 50 Durometer Nitrile 050P1124 – 50 Durometer Nitrile 050P1129 – 50 Durometer Nitrile 050P1132 – 50 Durometer Nitrile
050P1137 – 50 Durometer Nitrile 050P1137 – 50 Durometer Nitrile 050P1140 – 50 Durometer Nitrile 050P1140 – 50 Durometer Nitrile 050P1175 – 50 Durometer Nitrile
050P1175 – 50 Durometer Nitrile 050P1178 – 50 Durometer Nitrile 050P1178 – 50 Durometer Nitrile 050P1184 – 50 Durometer Nitrile 050P1184 – 50 Durometer Nitrile
050P1205 – 50 Durometer Nitrile 050P1250 – 50 Durometer Nitrile 050P1255 – 50 Durometer Nitrile 050P1264 – 50 Durometer Nitrile 050P1282 – 50 Durometer Nitrile
050P1295 – 50 Durometer Nitrile 055P1026 – 55 Durometer Nitrile 055P1077 – 55 Durometer Nitrile 055P1091 – 55 Durometer Nitrile 055P1093 – 55 Durometer Nitrile
055P1125 – 55 Durometer Nitrile 055P1128 – 55 Durometer Nitrile 055P1139 – 55 Durometer Nitrile 055P1154 – 55 Durometer Nitrile 055P1206 – 55 Durometer Nitrile
055P1207 – 55 Durometer Nitrile 055P1242 – 55 Durometer Nitrile 055P1281 – 55 Durometer Nitrile 055P1282 – 55 Durometer Nitrile 055P1297 – 55 Durometer Nitrile
058P1141 – 58 Durometer Nitrile 060P1027 – 60 Durometer Nitrile 060P1030 – 60 Durometer Nitrile 060P1031 – 60 Durometer Nitrile 060P1044 – 60 Durometer Nitrile
060P1055 – 60 Durometer Nitrile 060P1068 – 60 Durometer Nitrile 060P1072 – 60 Durometer Nitrile 060P1079 – 60 Durometer Nitrile 060P1090 – 60 Durometer Nitrile
060P1094 – 60 Durometer Nitrile 060P1100 – 60 Durometer Nitrile 060P1122 – 60 Durometer Nitrile 060P1133 – 60 Durometer Nitrile 060P1134 – 60 Durometer Nitrile
060P1135 – 60 Durometer Nitrile 060P1150 – 60 Durometer Nitrile 060P1157 – 60 Durometer Nitrile 060P1161 – 60 Durometer Nitrile 060P1163 – 60 Durometer Nitrile
060P1167 – 60 Durometer Nitrile 060P1172 – 60 Durometer Nitrile 060P1176 – 60 Durometer Nitrile 060P1179 – 60 Durometer Nitrile 060P1181 – 60 Durometer Nitrile
060P1201 – 60 Durometer Nitrile 060P1208 – 60 Durometer Nitrile 060P1209 – 60 Durometer Nitrile 060P1215 – 60 Durometer Nitrile 060P1220 – 60 Durometer Nitrile
060P1221 – 60 Durometer Nitrile 060P1222 – 60 Durometer Nitrile 060P1226 – 60 Durometer Nitrile 060P1230 – 60 Durometer Nitrile 060P1232 – 60 Durometer Nitrile
060P1238 – 60 Durometer Nitrile 060P1254 – 60 Durometer Nitrile 060P1257 – 60 Durometer Nitrile 060P1260 – 60 Durometer Nitrile 060P1262 – 60 Durometer Nitrile
060P1263 – 60 Durometer Nitrile 060P1276 – 60 Durometer Nitrile 060P1287 – 60 Durometer Nitrile 060P1293 – 60 Durometer Nitrile 065P1029 – 65 Durometer Nitrile
065P1035 – 65 Durometer Nitrile 065P1081 – 65 Durometer Nitrile 065P1082 – 65 Durometer Nitrile 065P1083 – 65 Durometer Nitrile 065P1089 – 65 Durometer Nitrile
065P1095 – 65 Durometer Nitrile 065P1096 – 65 Durometer Nitrile 065P1099 – 65 Durometer Nitrile 065P1101 – 65 Durometer Nitrile 065P1142 – 65 Durometer Nitrile
065P1177 – 65 Durometer Nitrile 065P1196 – 65 Durometer Nitrile 065P1213 – 65 Durometer Nitrile 065P1231 – 65 Durometer Nitrile 065P1253 – 65 Durometer Nitrile
065P1266 – 65 Durometer Nitrile 065P1289 – 65 Durometer Nitrile 065P1290 – 65 Durometer Nitrile 065P1291 – 65 Durometer Nitrile 070P1028 – 70 Durometer Nitrile
070P1033 – 70 Durometer Nitrile 070P1042 – 70 Durometer Nitrile 070P1046 – 70 Durometer Nitrile 070P1052 – 70 Durometer Nitrile 070P1053 – 70 Durometer Nitrile
070P1054 – 70 Durometer Nitrile 070P1057 – 70 Durometer Nitrile 070P1061 – 70 Durometer Nitrile 070P1063 – 70 Durometer Nitrile 070P1065 – 70 Durometer Nitrile
070P1069 – 70 Durometer Nitrile 070P1070 – 70 Durometer Nitrile 070P1076 – 70 Durometer Nitrile 070P1078 – 70 Durometer Nitrile 070P1087 – 70 Durometer Nitrile
070P1088 – 70 Durometer Nitrile 070P1120 – 70 Durometer Nitrile 070P1124 – 70 Durometer Nitrile 070P1136 – 70 Durometer Nitrile 070P1138 – 70 Durometer Nitrile
070P1143 – 70 Durometer Nitrile 070P1146 – 70 Durometer Nitrile 070P1153 – 70 Durometer Nitrile 070P1156 – 70 Durometer Nitrile 070P1159 – 70 Durometer Nitrile
070P1162 – 70 Durometer Nitrile 070P1164 – 70 Durometer Nitrile 070P1165 – 70 Durometer Nitrile 070P1170 – 70 Durometer Nitrile 070P1188 – 70 Durometer Nitrile
070P1192 – 70 Durometer Nitrile 070P1195 – 70 Durometer Nitrile 070P1202 – 70 Durometer Nitrile 070P1212 – 70 Durometer Nitrile 070P1223 – 70 Durometer Nitrile
070P1227 – 70 Durometer Nitrile 070P1228 – 70 Durometer Nitrile 070P1235 – 70 Durometer Nitrile 070P1244 – 70 Durometer Nitrile 070P1258 – 70 Durometer Nitrile
070P1259 – 70 Durometer Nitrile 070P1265 – 70 Durometer Nitrile 070P1269 – 70 Durometer Nitrile 070P1270 – 70 Durometer Nitrile 070P1273 – 70 Durometer Nitrile
070P1292 – 70 Durometer Nitrile 075P1075 – 75 Durometer Nitrile 075P1080 – 75 Durometer Nitrile 075P1098 – 75 Durometer Nitrile 075P1130 – 75 Durometer Nitrile
075P1186 – 75 Durometer Nitrile 075P1203 – 75 Durometer Nitrile 075P1204 – 75 Durometer Nitrile 075P1219 – 75 Durometer Nitrile 075P1225 – 75 Durometer Nitrile
075P1241 – 75 Durometer Nitrile 075P1261 – 75 Durometer Nitrile 075P1294 – 75 Durometer Nitrile 080P1032 – 80 Durometer Nitrile 080P1034 – 80 Durometer Nitrile
080P1038 – 80 Durometer Nitrile 080P1039 – 80 Durometer Nitrile 080P1047 – 80 Durometer Nitrile 080P1048 – 80 Durometer Nitrile 080P1049 – 80 Durometer Nitrile
080P1050 – 80 Durometer Nitrile 080P1051 – 80 Durometer Nitrile 080P1056 – 80 Durometer Nitrile 080P1058 – 80 Durometer Nitrile 080P1060 – 80 Durometer Nitrile
080P1062 – 80 Durometer Nitrile 080P1064 – 80 Durometer Nitrile 080P1086 – 80 Durometer Nitrile 080P1131 – 80 Durometer Nitrile 080P1151 – 80 Durometer Nitrile
080P1158 – 80 Durometer Nitrile 080P1174 – 80 Durometer Nitrile 080P1180 – 80 Durometer Nitrile 080P1190 – 80 Durometer Nitrile 080P1193 – 80 Durometer Nitrile
080P1210 – 80 Durometer Nitrile 080P1228 – 80 Durometer Nitrile 080P1229 – 80 Durometer Nitrile 080P1233 – 80 Durometer Nitrile 080P1243 – 80 Durometer Nitrile
085P1092 – 85 Durometer Nitrile 085P1102 – 85 Durometer Nitrile 085P1173 – 85 Durometer Nitrile 085P1182 – 85 Durometer Nitrile 085P1183 – 85 Durometer Nitrile
085P1187 – 85 Durometer Nitrile 085P1217 – 85 Durometer Nitrile 090P1121 – 90 Durometer Nitrile 090P1144 – 90 Durometer Nitrile 090P1145 – 90 Durometer Nitrile
090P1152 – 90 Durometer Nitrile 090P1160 – 90 Durometer Nitrile 090P1189 – 90 Durometer Nitrile 090P1190 – 90 Durometer Nitrile 090P1191 – 90 Durometer Nitrile
090P1194 – 90 Durometer Nitrile 090P1200 – 90 Durometer Nitrile 090P1211 – 90 Durometer Nitrile 090P1234 – 90 Durometer Nitrile 090P1272 – 90 Durometer Nitrile

Data presented here was gathered from several sources including Uniroyal Chemical Company, Inc., The Los Angeles Rubber Group, Inc., and Compass Publications

Our rubber products are a proprietary blend of various polymers formulated to meet stated physicals and specifications. The named product polymer is not necessarily the primary polymer representing the highest percentage of the polymer blend. Determination of the suitability of the goods for the uses and applications contemplated by Buyer and others shall be the sole responsibility of the Buyer or user. No guaranty is given with respect to length of service on any particular application. Suggestions or recommendations made by Seller in its product literature concerning uses or applications of the goods are believed to be reliable, but Seller makes no warranty or guaranty of results to be obtained since the conditions of the use and application by Buyer and others are beyond Seller’s control.

View complete Terms & Conditions of Sale for suitability of use and formulations