CP-EL Organoclay for Solvent-Based Coatings

CP-EL is a Camp-Shinning conventional organoclay grade positioned for low-polarity solvent-based coatings, including selected marine, industrial and aliphatic formulations. It is evaluated when a coating needs viscosity build, thixotropic recovery, pigment suspension and anti-sagging in mineral-spirit or related low-polarity vehicles. CP-EL normally uses a polar-activation route, so it is intended for formulators who can control addition sequence, shear and activator level. It is not the default grade for every high-polarity, self-activating, drilling-fluid or grease formulation.

What is CP-EL organoclay?

A conventional organophilic clay for rheology, pigment suspension and anti-sagging in qualified aliphatic, mineral-spirit and low-polarity coating systems.

Product	Best for	System type	Activation method	Main benefit	Limitation
CP-EL	Low-polarity marine and aliphatic solvent coatings	Aliphatic / mineral-spirit / low-polarity solvent systems	Conventional polar activation per current TDS	Viscosity, suspension and anti-sagging	Not the default for high-polarity or self-activating systems

Which applications is CP-EL suitable for?

Solvent-based paints and coatings — especially qualified low-polarity and marine systems
Oil-based drilling fluids — secondary scope only when drilling data and base-fluid testing support it
Lubricating grease — secondary selection route requiring its own base-oil process and dosage data

Application boundary: Do not present CP-EL as a universal grade for high-polarity coatings or as self-activating. Drilling and grease use must follow their own application data rather than the coating process on this page.

What are the technical parameters of CP-EL?

Parameter	Published value	Scope / note
Loss on ignition	28–32%	1,000°C; confirm current TDS
Moisture	≤3.5%	Grade-table value; confirm current COA
Dispersion fineness	Standard	No numeric CP-EL value established in the current public table
Polarity range	Intermediate to low	Grade-table positioning
Dispersing type	Conventional	Use current polar-activator procedure
Primary coating use	Low-polarity marine and aliphatic systems	Product-selection table
Marine-coating reference	0.5–2.0 wt%	Application-level screening range
Activator reference	30–40% of organoclay weight	Internal grade guide; confirm type and exact CP-EL level in current TDS

How should CP-EL be dispersed?

Use the current CP-EL TDS to select the permitted polar activator and exact ratio. A conventional sequence is to wet the organoclay in the solvent/resin phase, disperse under high shear, add the activator, then complete activation before adding surfactants and remaining components.

Charge the validated solvent or vehicle portion.
Add CP-EL under agitation and disperse for about five minutes.
Add the approved polar activator at the tested ratio and continue high shear for about five minutes.
Complete pigment grinding and let-down in the validated order.
Check viscosity, thixotropic recovery, sag, leveling, fineness and storage stability.

Can CP-EL be prepared as a pre-gel?

A 6–10% pre-gel concentration may be used when the plant procedure requires a concentrate. This number is the pre-gel concentration, not the final coating dosage.

How does CP-EL compare with related CP grades?

Grade	Use when	Selection boundary
CP-EL	A low-polarity aliphatic or marine coating uses conventional activation	Do not assume self-activation
CP-40	Broader coating polarity or dual coating/grease positioning is needed	Its coating and grease routes must be evaluated separately
CP-34	A broader conventional coating/drilling role is required	Compare current gel and activation data
CP-EDS	Fine-particle performance in a medium/high-polarity system is central	Different fineness and polarity target

What should formulators check when results are off target?

Observed issue	Check first	Practical next step
Weak anti-sagging	Solvent polarity, treatment and activation	Confirm activator ratio and dispersion endpoint
Poor suspension	Binder/solvent match and pigment density	Run a controlled comparison with the current approved grade
Excess viscosity	Organoclay and activator levels	Adjust only after fixed-shear viscosity measurement
Haze in a clear coating	Dispersion fineness and grade suitability	Evaluate a fine-particle grade when the clarity target requires it

Frequently asked questions about CP-EL

What is CP-EL organoclay used for?

CP-EL is primarily positioned for viscosity, suspension and anti-sagging in qualified low-polarity solvent-based coatings.

Which solvent systems suit CP-EL?

It is positioned for intermediate-to-low-polarity systems such as qualified aliphatic and mineral-spirit coating vehicles.

Does CP-EL require a polar activator?

CP-EL is a conventional grade. Use the current TDS to confirm the permitted polar activator, ratio and addition sequence.

What is the CP-EL dosage in marine coatings?

The application-level screening reference is 0.5–2.0 wt%. Final loading depends on resin, solvent, pigment, film build and target rheology.

Is a 6–10% CP-EL pre-gel the final coating dosage?

No. It is a concentrate used in some processes, not the final use level in the coating.

Can CP-EL also be used in drilling fluids or grease?

Those are secondary selection routes that require separate base-fluid or base-oil data and application-specific processing. Do not use this coating procedure as their recipe.

Technical review and related resources

Technical owner: Camp-Shinning Application Technology Team, China. Product selection and final use level should be confirmed against the current TDS, SDS, lot COA and formulation test results.

Last reviewed: September 24, 2026

Product resources: all organoclay products · Product Finder

Related products: Solvent-based organoclay grades · CP-40 · CP-34

Related applications: Paint & Coatings · Oil-Based Drilling Fluids · Lubricating Grease

Related formulation goals: Anti-Sagging · High-Temperature Stability