Silicone 750CPS

The tyre treatment that club racers have been using for years

The Silicone 750CPS (ref. MP010-750) is a silicone oil with a viscosity of 750 centipoise, specifically designed for the treatment and conditioning of tyres in the slot racing world. Compared to low-viscosity silicones that penetrate too quickly or very high-viscosity ones that form thick layers that are difficult to control, the 750CPS offers a highly valued balance at the workbench: progressive penetration, controlled softening of the rubber, and a tangible improvement in grip on the track.

Main features

• Viscosity 750 CPS: medium-high grade that allows for precise application without the product spreading uncontrollably.
• Pure silicone formulation: does not attack the plastic materials of the chassis nor stain the track.
• Softening action: conditions the rubber of the tyre, improving its deformation and contact with the track surface.
• Versatile application: suitable for urethane, natural rubber, and common mixed compound tyres in slot racing.
• Long-lasting effect: the treatment does not wear off after the first laps, allowing for sustained grip levels throughout the session.

Application and workshop use

The most common way to apply the Silicone 750CPS is with a clean microfiber cloth or a fine sponge applicator. A small amount is deposited on the tyre mounted on the axle and left to act for a few minutes before running. The impregnation time can be adjusted according to the rubber compound: harder rubbers benefit from slightly longer times.

In the context of competitive preparation, many racers combine the 750CPS with prior sanding or turning of the tyre to ensure a uniform surface before treatment. The result is a wheel that reaches the track with the correct profile and the appropriate hardness for the type of track.

Who is this product for?

• Club championship racers seeking repeatability in wheel preparation and consistent results between sessions.
• Recreational enthusiasts who want to maximise the grip of their cars without resorting to aggressive treatments.
• Preparers working with different compounds and needing a versatile silicone of well-defined viscosity.

Considerations

The amount applied directly influences the result: an excess of silicone can have the opposite effect, reducing grip due to excessive surface lubrication. It is preferable to apply in small doses and repeat the process if greater impregnation is needed. Additionally, it is advisable to avoid contact between the product and the braids or motor magnets, as it could affect their electrical or magnetic performance.

Frequently asked questions

What is the difference between a 750CPS silicone and one of lower viscosity?

Viscosity determines the "density" of the product. A silicone of 200 or 350 CPS is more fluid and penetrates quickly into the rubber, which can yield more immediate results but less durability. The 750CPS penetrates more progressively, making it easier to control the level of impregnation and achieve more stable grip throughout the session.

Is it compatible with all types of slot tyres?

Generally, yes: it works well with urethane, natural rubber, and mixed compounds. With very hard tyres, it may require more impregnation time. If you have doubts about compatibility with a very specific compound, it is advisable to test it on a spare tyre before treating the complete set.

How long should the silicone be left to act before running?

5-10 minutes of contact is usually sufficient for soft or medium rubbers. For harder rubbers or if deeper impregnation is desired, it can be left to act between 15 and 30 minutes. After that time, the excess surface should be removed with a clean cloth before putting the car on the track.

Can it damage the chassis or car components?

Pure silicone does not attack the plastics commonly used in slot chassis construction. Nevertheless, it is advisable to apply it locally on the tyre and avoid it dripping onto braids, magnets, or the motor, as it could compromise their operation.

Can it be used on wooden or plastic tracks without issue?

Yes, as long as the excess silicone is properly removed from the tyre before running. If the product is excessively transferred to the track surface, it can reduce the grip of all cars running on it. Controlled application and removal of the excess before hitting the track prevent this issue.

Silicone 750CPS slot tyre treatment — medium-high viscosity silicone oil for slot car tyre conditioning and grip improvement. Compatible with urethane, natural rubber and mixed compound tyres. Ideal for club racing preparation, consistent lap-by-lap performance and tyre softening on 1/32 and 1/24 scale slot cars. A trusted tyre treatment solution for competitive slot car racing enthusiasts.

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