Knowde Enhanced TDS
Identification & Functionality
- Additives Included
- Chemical Family
- Polymer Name
- Technologies
- Product Families
Features & Benefits
- Materials Features
Applications & Uses
- Applications
- Plastics & Elastomers End Uses
- Applications
Nancar® NBR 4975 is suggested for use in those in fuel hoses, packings, gaskets, oil seals, other car parts, oil resistant belts, printing rollers, roll covers products, friction stock and similar applications.
Properties
- Physical Form
- Typical Properties
- Cured Properties
- Characteristics
It has ultra-high acrylonitrile rubber with excellent oil resistance.
Value | Units | Test Method / Conditions | |
Bound Acrylontrile Content | 49 | % | NANTEX E-001 |
Heat Loss | max. 0.3 | % | ASTM D-5688 |
Mooney Viscosity [ML1+4 at 100°C] | 81 | — | ASTM D-1646 |
Solubility | 100 | % | NANTEX E-001 |
Specific Gravity | 1.01 | — | — |
Value | Units | Test Method / Conditions | |
Elongation (20 min, at 150°C) | 588 | % | ASTM D-412 |
Elongation (40 min, at 150°C) | 512 | % | ASTM D-412 |
Elongation (40min, at 150°C) | 144 | Kg/cm2 | ASTM D-412 |
Elongation (60 min, at 150°C) | 448 | % | ASTM D-412 |
Elongation (60min, at 150°C) | 165 | Kg/cm2 | ASTM D-412 |
Elongation Change (IRM 901 Oil Immersion, Cured at 100°C×70hrs) | -27 | % | ASTM D-471 |
Elongation Change (IRM 903 Oil Immersion, Cured at 300°C×70hrs) | -26 | % | ASTM D-471 |
Elongation Change (Test Tube Heat Aging at 100°C×70hrs) | -25 | % | ASTM D-865 |
Fuel C Permeability Coefficient (40min, at 150°C) | 16.6 | mm/cm2.d | ASTM D-814 |
Hardness (Durumeter A, 20min, at 150°C) | 78 | — | ASTM D-2240 |
Hardness (Durumeter A, 40min, at 150°C) | 79 | — | ASTM D-2240 |
Hardness (Durumeter A. 60min, at 150°C) | 79 | — | ASTM D-2240 |
Hardness Change (IRM 901 Oil Immersion, Cured at 100°C×70hrs) | 1 | points | ASTM D-471 |
Hardness Change (IRM 903 Oil Immersion, Cured at 300°C×70hrs) | 0 | points | ASTM D-471 |
Hardness Change (Test Tube Heat Aging at 100°C×70hrs) | 3 | points | ASTM D-865 |
Modulus (at 300%, 20min, at 150°C) | 114 | % | ASTM D-412 |
Tear Strength (Die C, 40min, at 150°C) | 66 | Kg/cm | ASTM D-624 |
Tensile Strength (20min, at 150°C) | 308 | Kg/cm2 | ASTM D-412 |
Tensile Strength (40min, at 150°C) | 302 | Kg/cm2 | ASTM D-412 |
Tensile Strength (60min, at 150°C) | 290 | Kg/cm2 | ASTM D-412 |
Tensile Strength (IRM 901 Oil Immersion, Cured at 100°C×70hrs) | -9 | % | ASTM D-471 |
Tensile strength (IRM 903 Oil Immersion, Cured at 300°C×70hrs) | -10 | % | ASTM D-471 |
Tensile Strength Change (Test Tube Heat Aging at 100°C×70hrs) | -7 | % | ASTM D-865 |
Volume Change (IRM 901 Oil Immersion, Cured at 100°C×70hrs) | -0.96 | % | ASTM D-471 |
Volume Change (IRM 903 Oil Immersion, Cured at 300°C×70hrs) | 2.5 | % | ASTM D-471 |
Regulatory & Compliance
- Certifications & Compliance
Technical Details & Test Data
- First test recipe: ASTM D-3187
Parts (phr) NANCAR® 4975 100.00 Zinc Oxide, CATHAY CHEMICAL, 3A Grade 3.00 Sulfur, 2% MgCO3 coated 1.50 Stearic Acid, NBS SRM 372I 1.00 HAF Black IRB#8 40.00 TBBS, NIST 8384 0.70 Total 146.20 - Uncured Compound Properties
TYPICAL VALUE TEST METHODS Mooney viscosity, ML1+4 @100°C 81 ASTM D-1646 - Aging Properties
Cured @150°C
PROPERTIES CURING TIME (MIN)
TYPICAL VALUE TEST METHODS Tensile Strength, Kg/cm2 20 308 ASTM D-412 Tensile Strength, Kg/cm2 40 302 ASTM D-412 Tensile Strength, Kg/cm2 60 290 ASTM D-412 Elongation, % 20 588 ASTM D-412 Elongation, % 40 512 ASTM D-412 Elongation, % 60 448 ASTM D-412 Modulus at 300% 20 114 ASTM D-412 Elongation , Kg/cm2 40 144 ASTM D-412 Elongation , Kg/cm2 60 165 ASTM D-412 Hardness, Durumeter A, points 20 78 ASTM D-2240 Hardness, Durumeter A, points 40 79 ASTM D-2240 Hardness, Durumeter A, points 60 79 ASTM D-2240 Tear Strength, Die C, Kg/cm 40 66 ASTM D-624 Fuel C permeability coefficient mg.mm/cm2.d 40 16.6 ASTM D-814 Cured @ 150°C×40 minutes
IRM 901 Oil Immersion , @100°C×70hrs TYPICAL VALUE TEST METHODS Tensile strength change, % -9 ASTM D-471 Elongation change, % -27 ASTM D-471 Hardness change, points +1 ASTM D-471 Volume change, % -0.96 ASTM D-471 IRM 903 Oil Immersion , @100°C×70hrs TYPICAL VALUE TEST METHODS Tensile strength change, % -10 ASTM D-471 Elongation change, % -26 ASTM D-471 Hardness change, points 0 ASTM D-471 Volume change, % +2.5 ASTM D-471 Test Tube Heat Aging @100°C×70hrs TYPICAL VALUE TEST METHODS Tensile strength change, % -7 ASTM D-865 Elongation change, % -25 ASTM D-865 Hardness change, points +3 ASTM D-865
Packaging & Availability
- Packaging Type