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Never-Seez NSB-4 Regular Grade Anti-Seize is a copper-and-graphite-based compound formulated to protect metal parts against rust, corrosion, and seizure in high-heat, high-pressure environments. Engineered by Bostik, NSB-4 reduces wear, prevents carbon fusion, and enables faster disassembly—even after prolonged exposure to extreme temperatures. Reliable protection in temperatures ranging from -297°F to 1800°F (-183°C to 982°C).
|
Property |
Value |
Test Method |
|
Color |
Silver Gray |
— |
|
Temperature Range |
-297°F to 1800°F (-183°C to 982°C) |
— |
|
Thickener Type |
Lithium Soap |
— |
|
Particle Size |
2 mil max (50 μ) |
— |
|
Density |
1.15 to 1.24 g/cm³ |
— |
|
Flash Point |
>485°F (>250°C) |
ASTM D-92 |
|
Copper Corrosion Test (212°F / 24 hrs) |
No corrosion |
ASTM D-130 |
|
Worked Penetration (60 strokes @ 77°F) |
260–310 |
ASTM D-217 |
|
NLGI Grade |
1/2 |
ASTM D-217 |
|
Dropping Point |
>360°F (182°C) |
ASTM D-566 |
|
Water Washout @ 100°F |
0.30% loss |
ASTM D-1264 |
|
Water Washout @ 175°F |
2.10% loss |
ASTM D-1264 |
|
Coefficient of Friction @ 167°F (75°C) |
0.06 |
ASTM D-2266 |
|
Torque Coefficient (k factor) |
0.13 |
— |
|
Four Ball EP – Load Wear Index |
81 |
ASTM D-EP |
|
Last Non-Seizure Load |
63 kgf (0.41 mm scar) |
— |
|
Last Seizure Load |
400 kgf (1.87 mm scar) |
— |
|
Weld Load |
500 kgf |
— |
Never-Seez NSB-4 is suitable for a wide range of industrial and maintenance applications, including:
This versatility makes NSB-4 a dependable choice across industries such as manufacturing, oil and gas, construction, and heavy equipment maintenance
The standard shipping time for orders shipped via UPS ground is 2-5
days, depending on the destination. Please read our Shipping Policy for full details.
