85g MAGXOSIL 999 Grey RTV Silicone Gasket Maker – Hi-Temp Silicone Sealant for Covers and Manifolds

85g MAGXOSIL 999 Grey RTV Silicone Gasket Maker – Hi-Temp Silicone Sealant for Covers and Manifolds

MAGXOSIL 999 Grey RTV Silicone Gasket Maker is an 85g grey high-temperature RTV silicone sealant used for making reliable formed-in-place gaskets for automotive and mechanical sealing jobs. It is suitable for valve covers, manifolds, timing covers, windshield rubber trimmings, and other areas where a strong, flexible, heat-resistant gasket sealant is required. For customers in Ghana looking for a durable sealant for car repairs, engine maintenance, machinery work, and workshop use, MAGXOSIL 999 offers resistance against oil, water, transmission fluid, antifreeze, heat, pressure, cracking, and shrinking while remaining flexible.

Product Overview

Product Name

MAGXOSIL 999 Grey RTV Silicone Gasket Maker – Hi-temp silicone sealant for covers and manifolds

Brand

MAGXOSIL

Product Type

Grey Hi-Temp Gasket Maker

Also written on the package as:

Grey RTV Silicone

RTV Silicone Gasket Maker

MAGXOSIL Sealing & Bonding

Colour

Grey

Net Weight

NET: 3.0 oz / 85g

Temperature Resistance

The package states that MAGXOSIL 999 Grey RTV Silicone Gasket Maker is stable at temperatures from -80°F to 600°F.

It also shows:

600°F intermittent

Alta temperatura 315°C

This makes it useful for high-temperature areas where ordinary silicone sealant may not perform well.

What Is MAGXOSIL 999 Grey RTV Silicone Gasket Maker?

Direct Meaning of the Product

MAGXOSIL 999 Grey RTV Silicone Gasket Maker is a grey silicone sealant designed to create formed-in-place gaskets. “RTV” means room temperature vulcanizing, which means the silicone cures at normal room temperature after application.

In simple terms, this product is used when you need a flexible, heat-resistant, oil-resistant, and pressure-resistant seal between two surfaces. Instead of using only pre-cut gasket materials such as cork, felt, paper, rubber, or asbestos gaskets, this gasket sealant can help form a custom seal directly on the surface.

Sealant Meaning in This Product Context

A sealant is a material used to block leaks, close gaps, prevent fluid escape, and protect joints from air, water, oil, dust, or chemical movement. In the case of MAGXOSIL 999 Grey RTV Silicone Gasket Maker, the sealant is mainly used for automotive and mechanical gasket sealing.

This makes it different from general-purpose silicone sealant used around windows, bathrooms, tiles, roofing joints, or concrete sealant applications. MAGXOSIL 999 is specifically positioned as a gasket sealant for car and mechanical use.

Main Features and Benefits

Resists Oil

MAGXOSIL 999 Grey RTV Silicone Gasket Maker is written on the package as oil-resistant. This is important for automotive applications because engine compartments and mechanical parts often come in contact with oil.

A sealant for car repairs must be able to resist oil exposure without breaking down quickly. This makes MAGXOSIL 999 suitable for areas such as valve covers, timing covers, and other engine-related sealing points.

Resists Water

The product also resists water, making it useful where moisture protection is required. Water resistance helps protect sealed areas from leaks, moisture entry, and unwanted fluid movement.

For Ghanaian users working in garages, workshops, construction-related mechanical repairs, or vehicle maintenance, a waterproof sealant is useful because humidity, rain, washing, and outdoor exposure can affect many repair jobs.

Resists Antifreeze

MAGXOSIL 999 is written on the package as resistant to antifreeze. This matters in automotive systems where coolant and antifreeze fluids may be present.

Even though Ghana has a warm climate, vehicles and machines still use coolant systems. A gasket sealant that resists antifreeze helps improve sealing reliability in areas exposed to these fluids.

Resists Transmission Fluid

The back of the package states that the product is highly resistant against transmission fluid. This is useful for automotive maintenance and mechanical work where transmission-related sealing may be needed.

A good gasket maker should not easily soften, wash away, or lose its hold when exposed to common vehicle fluids.

Safe for All Models

The front of the package states that MAGXOSIL 999 is safe for all models. This makes it a practical option for mechanics, car owners, repair shops, and spare parts dealers who handle different vehicle types.

For workshops in Ghana, this is helpful because one product can support different repair needs across various car models and machine types.

Sensor Safe

The package states that the product is sensor safe. This is an important feature in modern vehicles because some sealants may affect sensors if they release unsuitable chemicals or vapours during curing.

For mechanics and vehicle owners, sensor-safe gasket sealant helps reduce the risk of problems around sensitive automotive components.

Remains Flexible

MAGXOSIL 999 remains flexible after curing. Flexibility is important because engine parts and mechanical surfaces expand, contract, vibrate, and shift slightly during operation.

A rigid seal may crack under movement or heat cycling. A flexible silicone gasket maker can absorb movement better and help maintain a reliable seal.

Pressure Resistant

The product is written as pressure resistant. This is useful where sealed parts experience pressure, vibration, or mechanical stress.

Pressure resistance helps the seal stay in place and continue performing under demanding conditions.

Formed-in-Place Gasket Performance

What “Formed-in-Place” Means

A formed-in-place gasket is a gasket created directly on the surface using a sealant. Instead of placing a pre-cut gasket between two parts, the user applies a bead of silicone sealant, allows it to skin, and then bonds the parts together.

The back of the MAGXOSIL 999 package says the product makes reliable formed-in-place gaskets that resist cracking, shrinking, and migrating caused by thermal cycling.

Why This Matters

Thermal cycling happens when parts repeatedly heat up and cool down. This is common in engines, machines, generators, and mechanical systems. Over time, heat changes can make weak sealants crack, shrink, or move out of position.

MAGXOSIL 999 is designed to help resist those problems. This makes it useful for mechanics, technicians, and maintenance teams who need a dependable gasket sealant for car and machinery repairs.

Applications Written on the Package

Valve Cover

MAGXOSIL 999 Grey RTV Silicone Gasket Maker can be used for valve covers. Valve covers need proper sealing to help prevent oil leaks.

A poor valve cover seal can lead to oil seepage, dirty engine surfaces, burning smells, and customer complaints after repairs. Using a suitable grey RTV silicone gasket maker helps create a cleaner and more secure seal.

Manifold

The package also lists manifold application. Manifold areas may experience heat, vibration, and pressure changes. A hi-temp silicone sealant is important in such areas because ordinary sealants may fail under heat.

MAGXOSIL 999 can help mechanics and technicians seal manifold-related surfaces where the product is suitable for the job.

Timing Cover

Timing covers protect important engine timing components. A timing cover seal must resist oil, heat, and vibration. MAGXOSIL 999 is written on the package as suitable for timing cover use.

This makes it relevant for engine repairs, workshop servicing, and vehicle maintenance jobs in Ghana.

Windshield Rubber Trimmings

The package also mentions windshield rubber trimmings. This shows that the sealant can support certain rubber trimming and sealing jobs around vehicle windshields.

Because it resists water and remains flexible, it can be useful where a seal must handle moisture and movement.

Replacement Uses

Suitable Replacement for Different Gasket Materials

According to the product package, MAGXOSIL Grey RTV Silicone is ideal for use as a replacement for:

Gaskets

Seals

Gasket dressings

Cork

Felt

Paper

Rubber

Asbestos gaskets

This means the product can be used in many sealing situations where the old gasket material is damaged, unavailable, or not suitable for the repair.

Why Mechanics Use Gasket Sealant

Mechanics often use gasket sealant when they need to stop leaks, improve contact between surfaces, replace a worn gasket, or support a gasket installation. MAGXOSIL 999 gives users a practical option for forming seals on demand.

For Ghanaian workshops, this can reduce delays when a specific gasket is not immediately available.

Material Composition and Technical Properties

Ingredients Written on the Package

The product package lists the following ingredients:

Hydroxy Terminated: 40%

Calcium Carbonate: 25%

Limestone: 15%

Synthetic Isoparaffinic: 15%

Vinyl Oximinosilane: 2.5%

Stearic Acid: 1.5%

2-Butanone Oxime: 1%

These ingredients contribute to the structure, body, curing behaviour, flexibility, and sealing performance of the silicone gasket maker.

Grey RTV Silicone Properties

Grey RTV silicone is commonly selected for automotive gasket applications because it can cure at room temperature, remain flexible, resist fluids, and handle heat better than many general-purpose sealants.

MAGXOSIL 999 combines these practical properties with oil resistance, water resistance, antifreeze resistance, pressure resistance, and high-temperature stability.

Directions for Use

Step 1: Clean the Surfaces

The package states that surfaces must be cleaned. This is one of the most important steps when using silicone sealant.

Remove oil, grease, dirt, old gasket material, loose particles, and moisture from the sealing surface. A clean surface helps the sealant bond properly.

Step 2: Puncture the Tube

Puncture the tube with the top of the cap and install the nozzle. This opens the sealant tube and prepares it for controlled application.

Cut or prepare the nozzle according to the bead size needed for the job.

Step 3: Apply a 2–4mm Bead

Apply a 2–4mm bead to one surface. The bead should be continuous and even.

Avoid applying too much sealant because excess product may squeeze out and create mess or interfere with parts.

Step 4: Allow the Sealant to Skin

Allow the silicone sealant to skin before bonding. This means giving the surface of the bead time to start forming a light skin before joining the parts.

This step supports better sealing performance and helps the gasket maker settle properly.

Step 5: Join the Parts Carefully

After the sealant has skinned, join the surfaces carefully and tighten according to the repair requirement. Do not rush the job or over-tighten in a way that squeezes out too much sealant.

How to Open Silicone Sealant

Simple Opening Guide

To open this silicone sealant, puncture the tube using the top of the cap, then install the nozzle. This is written in the directions on the package.

After opening, apply the sealant through the nozzle in a controlled bead. For this product, the package recommends a 2–4mm bead on one surface.

Practical Uses in Ghana

Automotive Repairs

MAGXOSIL 999 Grey RTV Silicone Gasket Maker is highly relevant for car owners, mechanics, auto shops, spare parts dealers, fleet maintenance teams, and transport companies in Ghana.

It can support sealing jobs around valve covers, manifolds, timing covers, and windshield rubber trimmings. For anyone searching for sealant for car repairs or gasket sealant in Ghana, this product is a practical option.

Mechanical Workshops

Workshops handling generators, pumps, small engines, equipment repairs, and machine maintenance may also need a high-temperature silicone gasket maker.

Because it resists oil, water, antifreeze, transmission fluid, heat, pressure, cracking, and shrinking, it is useful for demanding repair environments.

Construction and Equipment Maintenance

Construction companies in Ghana often use vehicles, generators, compactors, mixers, and other machines. These machines require regular maintenance, and gasket-related repairs may be needed.

MAGXOSIL 999 can support maintenance teams that need a dependable silicone sealant for mechanical sealing tasks.

Manufacturing and Industrial Use

Manufacturing facilities may use machinery that requires sealing, maintenance, and fluid-resistant repairs. Industrial buyers often need reliable sealants that can handle heat, pressure, and exposure to fluids.

CETECH Ghana can support such customers through product supply, bulk sourcing, and consultation for suitable sealant options.

Mining, Oil and Gas, and Heavy-Duty Maintenance

In sectors such as mining, oil and gas, and heavy-duty equipment maintenance, sealing reliability is important. Machines can face heat, vibration, oil exposure, and pressure.

MAGXOSIL 999 is a useful workshop product for gasket-related sealing jobs where grey hi-temp RTV silicone is suitable.

Logistics and Transportation

Transport companies, delivery fleets, haulage operators, and logistics businesses rely on vehicles that must stay operational. A good gasket sealant can help reduce downtime during maintenance and minor repair work.

For fleet maintenance teams, keeping products like MAGXOSIL 999 in stock can support faster servicing.

Agriculture and Equipment Repairs

Agricultural machines, irrigation pumps, generators, and farm equipment may require sealing maintenance. MAGXOSIL 999 can support repair teams working on machines that face oil, water, heat, and vibration.

Warehousing and Emergency Preparedness

Warehouses, workshops, and facility maintenance teams can keep gasket maker sealant as part of their repair stock. During emergency repairs, having a silicone gasket maker available can help reduce delays.

Advantages Over Standard Sealants

Better for Gasket Applications

General silicone sealant is commonly used for building gaps, bathrooms, windows, and household sealing. MAGXOSIL 999 is more focused on automotive and mechanical gasket-making applications.

For users comparing sealant silicone options, the key difference is that this product is designed as a grey RTV silicone gasket maker.

Handles Heat Better

The package states temperature stability from -80°F to 600°F and also shows 600°F intermittent / alta temperatura 315°C. This makes it suitable for high-temperature areas where ordinary sealant may not be appropriate.

Resists Automotive Fluids

MAGXOSIL 999 resists oil, transmission fluid, water, and antifreeze. These are important fluids in automotive and mechanical environments.

A normal waterproof sealant may resist water, but it may not perform well against oil or transmission fluid.

Flexible After Curing

Because the product remains flexible, it can handle movement, vibration, and thermal changes better than rigid sealing materials.

Related Sealant Options and Alternatives in Ghana

General Silicone Sealant

General silicone sealant is useful for glass, tiles, windows, doors, bathrooms, and some waterproofing tasks. It is not always the best option for engine gasket applications.

MAGXOSIL 999 is better suited when the buyer specifically needs gasket sealant for car and mechanical repairs.

Waterproof Sealant

Waterproof sealant is used to stop water entry around joints, surfaces, and gaps. MAGXOSIL 999 also resists water, but its stronger value is in high-temperature gasket making.

Polyurethane Sealant

Polyurethane sealant is often used for construction joints, bonding, and flexible sealing in building applications. It may be useful for concrete, roofing, metal, or expansion joints depending on the specific product.

However, polyurethane sealant is not the same as RTV silicone gasket maker for automotive gasket applications.

Foam Sealant

Foam sealant is commonly used for filling gaps, insulation, and construction-related sealing. It expands and fills spaces, but it is not a replacement for grey RTV silicone gasket maker.

Concrete Sealant

Concrete sealant is used to protect concrete surfaces from moisture, dust, stains, or chemical exposure. It is different from gasket sealant and should not be confused with MAGXOSIL 999.

Roofing Sealant

Roofing sealant is used for roof leaks, flashing, joints, and sheet connections. While some silicone products are used for roofing, MAGXOSIL 999 is positioned as a gasket maker for vehicle and mechanical sealing.

Bostik Sealant and Other Brands

Some customers search for Bostik sealant when looking for trusted sealant brands. CETECH Ghana may stock or source different sealant types depending on customer needs.

For gasket-making jobs, the buyer should choose a product designed for gasket applications, such as MAGXOSIL 999 Grey RTV Silicone Gasket Maker.

Gasoila Thread Sealant

Gasoila thread sealant is another type of sealing product, commonly associated with threaded pipe connections. It is different from RTV silicone gasket maker.

MAGXOSIL 999 is for formed-in-place gaskets, not for every threaded pipe sealing job.

Tyre Sealant and Tyre Sealant Liquid

Tyre sealant liquid is used for tyre puncture management and air leak reduction in tyres. It is not the same as silicone gasket sealant.

MAGXOSIL 999 should not be confused with tyre sealant.

Buyer Concerns Before Choosing This Product

Is This Product Good for Car Repairs?

Yes. MAGXOSIL 999 Grey RTV Silicone Gasket Maker is written on the package as suitable for valve covers, manifolds, timing covers, and windshield rubber trimmings. It is a strong option for customers looking for sealant for car repairs.

Is It a Waterproof Sealant?

Yes, the package states that it resists water. However, its main purpose is not general household waterproofing. Its strongest use is as a grey hi-temp RTV gasket sealant.

Can It Resist Oil?

Yes. The package states that it resists oil and is highly resistant against oil and transmission fluid.

Is It Heat Resistant?

Yes. The package states that it is stable from -80°F to 600°F and also shows 600°F intermittent / alta temperatura 315°C.

Does It Stay Flexible?

Yes. The front of the package states that it remains flexible. This is important for parts exposed to vibration, expansion, contraction, and thermal cycling.

Is It Sensor Safe?

Yes. The front of the package states that it is sensor safe.

Common Mistakes to Avoid

Applying on Dirty Surfaces

Do not apply gasket sealant on oily, dusty, wet, or dirty surfaces. Clean surfaces help the product bond better.

Applying Too Much Sealant

The package recommends a 2–4mm bead. Applying too much sealant can cause excess squeeze-out and messy results.

Not Allowing It to Skin

The package says to allow the silicone sealant to skin before bonding. Skipping this step can affect the quality of the seal.

Using the Wrong Sealant Type

Do not confuse gasket sealant with tyre sealant, foam sealant, concrete sealant, or general roofing sealant. Each product is made for different uses.

Ignoring Application Area

Always confirm that the product is suitable for the exact repair area. MAGXOSIL 999 is written on the package for valve cover, manifold, timing cover, and windshield rubber trimming applications.

Why Buy MAGXOSIL 999 from CETECH Ghana?

Available Through CETECH Ghana Online and Offline

CETECH Ghana supplies hardware, construction, industrial, automotive, and maintenance-related products through both online and physical offline stores in Ghana. This gives customers the convenience of buying online while also having access to offline support and product availability.

Customers looking for silicone sealant price in Ghana, gasket sealant, waterproof sealant, or sealant for car repairs can check with CETECH Ghana for availability, guidance, and related options.

Trusted Product Support

CETECH Ghana focuses on helping customers choose the right product for the right job. For a product like MAGXOSIL 999 Grey RTV Silicone Gasket Maker, buyers may need guidance on whether it is suitable for their vehicle, workshop task, or maintenance application.

CETECH can assist with product selection, supply support, and related hardware recommendations.

Bulk Supply for Workshops and Industrial Buyers

Mechanics, repair shops, transport companies, construction firms, mining support teams, and industrial maintenance departments may need gasket sealant in bulk.

CETECH Ghana can support bulk supply and industrial sourcing for customers who need steady access to sealants and related maintenance products.

Related Products and Tools

Depending on the job, customers may also need:

Silicone sealant gun

Sealant gun

Cleaning tools

Scrapers

Automotive repair tools

Protective gloves

Other gasket makers

General silicone sealant

Polyurethane sealant

Roofing sealant

Waterproof sealant

CETECH Ghana can help customers source related items for complete repair and maintenance work.

Frequently Asked Questions

What Is MAGXOSIL 999 Hi-Temp Grey RTV Gasket Maker Used For?

It is used for making formed-in-place gaskets and sealing parts such as valve covers, manifolds, timing covers, and windshield rubber trimmings. It is suitable for automotive and mechanical sealing jobs.

Is MAGXOSIL 999 a Silicone Sealant?

Yes. It is a grey RTV silicone gasket maker. It is also described on the package as Grey RTV Silicone and RTV Silicone Gasket Maker.

What Is the Weight of the Product?

The net weight is 3.0 oz / 85g.

What Colour Is It?

The product colour is grey.

What Temperature Can It Handle?

The package states that it is stable from -80°F to 600°F. It also shows 600°F intermittent and alta temperatura 315°C.

What Fluids Does It Resist?

The package states that it resists oil, water, antifreeze, and transmission fluid.

Can It Replace a Normal Gasket?

The package says it is ideal for use as a replacement for gaskets, seals, gasket dressings, cork, felt, paper, rubber, and asbestos gaskets.

Is It Good for Ghanaian Mechanics and Workshops?

Yes. It is useful for mechanics, auto repair shops, fleet maintenance teams, machine repair technicians, and industrial maintenance users in Ghana.

Do I Need a Silicone Sealant Gun?

This product comes in an 85g tube format with a nozzle. A silicone sealant gun is usually used for cartridge-style products, but this tube is opened by puncturing it with the top of the cap and installing the nozzle.

Final Buying Summary

MAGXOSIL 999 Grey RTV Silicone Gasket Maker is a practical, high-temperature grey RTV silicone sealant for automotive and mechanical gasket-making jobs. It is designed to make formed-in-place gaskets that resist cracking, shrinking, and migrating caused by thermal cycling.

Key reasons to choose it:

85g grey hi-temp RTV silicone gasket maker

Stable from -80°F to 600°F

600°F intermittent / alta temperatura 315°C

Resists oil, water, antifreeze, and transmission fluid

Safe for all models

Sensor safe

Remains flexible

Pressure resistant

Suitable for valve covers, manifolds, timing covers, and windshield rubber trimmings

Can replace gaskets, seals, gasket dressings, cork, felt, paper, rubber, and asbestos gaskets

Available through CETECH Ghana’s online and offline supply channels

For customers in Ghana looking for MAGXOSIL 999 Hi-Temp Grey RTV Gasket Maker, silicone sealant, gasket sealant, sealant for car repairs, or waterproof sealant for mechanical sealing, CETECH Ghana provides a trusted source for quality products, bulk supply, and practical product guidance.