Some facts about fast-setting Spray Coatings made of Polyurea
Polyurea is made by the reaction between diisocyanates and diamines. It is among the strongest synthesized polymer materials. Some advantages of polyurea:
- Strong strength With tensile strength greater than 5 000 psi, and tear strength over 500 pounds/in
- 100% solid and free of volatilized organic compounds (VOC)
- The range of hardness is wide and can be adjusted until shore D
- Good chemical resistance
- Excellent abrasion resistance
- Water-tight qualities
The reaction of diisocyanate and diamine that results in polyurea can be extremely rapid. The exothermic heat causes the reaction to complete. The reactor is not complicated nor are rigid conditions are required. This makes it possible to mix these two elements in a predetermined ratio and apply the resultant mixture on the substrate. Different thicknesses of tough polyurea coatings are able to be applied everywhere on different substrates. In the real world the use of an high pressure spraying machine is used to apply the polyurea coating by evenly spraying it evenly over the material over the entire surface. This is the foundation of rapid-setting polyurea spray equipment.
The quick-setting Polyurea Spray Coatings are used in a variety of industries and markets. The most common raw requirements are very low viscosity, lower freezing point, and high Reactivity. The raw materials need to create a high-strength thin layer to serve its protective purpose. Gantrade offers additional raw material options that can enhance product performance and provide feasible solutions for a variety of new uses.
The flexibility of polyurea spray systems is a great option for a variety of uses. This blog’s goal is to initiate and stimulate discussions on improving the current systems as well as formulating new ones with improved endurance, performance and longevity.
Here are five facts concerning quick-setting polyurea spray system:
1. Polyurea Spray Coatings are used in the needs of a Wide Range of Industries
The usage for Polyurea Spray Coatings can range from mine channels to sporting ground. This kind of spray is suitable for various industries, for example:
- Construction industry to provide erosion protection, concrete surface protection and waterproofing.
- Manufacturing industry to provide surfaces protection.
- Water industry for storage tanks as well as pipeline corrosion protection.
- Chemical industry used for processing tanks’ corrosion protection and chemical-resistant tank liner.
- Concrete industry is used to supply floor sealing agents, protective coatings, surface repair as well as waterproof surfaces.
- Military industry for outdoor dwellings and reinforcement.
- The oil and gas and coal mining industries, to ensure abrasion resistance as well as corrosion protection.
This list only represents one small portion of the vast array of industry applications.
2. Polyurea Spray Coatings Serve Different Uses
Polyurea Spray Coatings are utilized for a variety of purposes even within a specific market.
For example railroad companies could utilize a polyurea system to stop an aggregate from damaging surfaces of railcars when they hit and a different one to avoid corrosion from other metallic surfaces.
Other tasks include:
- In enhancing strength and strength of a component or preventing parts from damage and tear such as in trucks bedliners.
- The surfaces are waterproofed for pool or reservoir.
- Protective coatings for wood surfaces that stop scratching and scuffing.
- The reinforcement of padding or fabrics to increase durability, for example, roofing materials or military clothes coatings.
- Hardening or softening a surface, like tabletops, by applying spray-on coating to provide a more comfortable feel or better impact resistance.
- Protection of tunnel surfaces from impact and blasts.
- Provides the environment with rust protection to metals.
From tiny, spray-coated fracking sands to large-spray-coated mining or highway passageways There are a huge range of uses for polyurea spray coating techniques are used.
3. A spray of polyurea Coatings are a popular Material that is suitable for a wide range of applications.
With their numerous industry uses and many applications, it’s no surprise that they are fast-setting Polyurea Spray Coatings are also used for many applications. Here are some examples:
- Spray coatings for truck bedliners as well as concrete-mixing tank liners.
- Underground Surface spray layers that provide an waterproof barrier to building structures, sewage tanks or construction needs
- The rock surface or sand spray layers that offer erosion protection for golf courses and playgrounds, and aid in maintaining an attractive landscape
- Applications for decorative purposes, such as decorative car coatings or even premium car waxes
- Fertilizers (processed by) spray coatings of polyurea that offer a distinct time-release resulting from the gradual decomposition of the thin layer of polyurea
The possibilities for polyurea spray coating use is growing. The right spray polyurea method will provide an extended period of protection for various applications, regardless of dimensions or shape.
4. Polyurea Spray Coatings Come in Different forms
The finished layer made of quick-setting polyurea spray coatings could have different levels of hardness dependent on the formulation. They can be foam or elastomeric clear or colored, matte or glossy, as hard like glass or less hard than rubber, and layered with fillers or a thin film.
It all depends on what the requirements are for the particular application.
A distinct form of polyurea spray coating and environmental-resistance properties can be achieved by choosing different chemicals or their combinations.
5. Polyurea Spray Coatings are modified to suit specific requirements.
Although the majority of spray coatings have to be applied in the same way by using the high pressure spray guns, more extended gel-time formulations are applied by rolling. Modifying the formulation allows for individualization for a particular application.
The surrounding environment, the purpose and function, the hydrolytic resistance whether the characteristics of application thermal shrinkage operating temperature range and additional factors should be taken into consideration in order to make an appropriate material selection.
Here are some questions to think about:
- What type of protection is needed?
- Does the application requires an impact or abrasion resistance?
- What kind of abrasion is the most common whether impingement or sliding?
- Does the nature of the application is static or dynamic?
- What is the significance of resistance to direct UV and sunlight important?
- What is the anticipated working temperature?
- What type of chemical exposure can be anticipated?
- Are hydrolytic resistance vital? Operation in a hot and humid conditions?
For instance, a bath tub application requires a different formula as compared to the swimming pool application because the latter will require more UV resistance as well as chemical (chlorine) resistance. But those formulas differ in comparison to the abrasive coating required for an Fracking pipe liner. But all three of them require excellent hydrolytic resistance.
In the selection of the correct rapid-setting polyurea, ArmorThane has an vast selection of diamine-based curatives which are suitable for use for both TDI and MDI system: