Colloidal Graphite Solid Lubricant Additive

Name: Colloidal Graphite Solid Lubricant Additive
Brand: Chemzip
Price: 1 USD
Availability: InStock

CAS Number: 7782-42-5

Colloidal graphite is a suspension of ultrafine graphite platelets (typically 1–10 μm) in oil or water carriers, used as a solid lubricant additive in greases, cutting fluids, and extreme-pressure lubricants. The layered hexagonal structure of graphite provides excellent lubrication under high load and high temperature conditions where conventional lubricants fail. Graphite is particularly effective in open gear, wire rope, and high-temperature furnace applications where environmental contamination of PTFE and MoS2 can occur.

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Technical Specifications

appearance	Black suspension or powder
carbon purity	≥95 wt%
settling resistance	Stable suspension >6 months with dispersants
maximum service temperature	450°C in non-oxidizing atmosphere
graphite particle size (D50)	1–15 μm
graphite content in oil concentrate	10–30 wt%

Applications

Open gear lubricants for mining, cement, and sugar mill equipment
Wire rope lubricants for crane, elevator, and mining applications
High-temperature furnace and kiln bearing greases
Anti-seize compounds and bolt assembly lubricants
Brake pad and clutch lubricant release agents

Key Features

Excellent lubrication under high load, low speed, and high temperature where oils fail
Layered crystal structure provides low shear-strength lubrication without melting or decomposing
Good atmospheric moisture sensitivity: actually improves lubrication performance at higher humidity
Non-toxic and environmentally acceptable solid lubricant suitable for open environment applications