Spraying Viscous (e.g., Silicone-Based) Products

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Airless Spraying Tips and Tricks | YOUR QUESTIONS ANSWERED!

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Spraying highly viscous products, such as silicone-based coatings, requires specialized consideration for your equipment. The choice of spray rig, tip, and PSI depends heavily on the specific application and the product's viscosity. You will likely need a larger, more powerful spray rig (pump) that can handle and effectively push high-viscosity materials. The tip size must be appropriately matched to the material's consistency. It is crucial to check the manufacturer's data sheet for the silicone-based product to determine the recommended tip size and pressure (PSI), as this information provides the best starting point for optimal performance.

Goal: For silicone-based or other highly viscous products, you'll generally need a larger sprayer rig capable of pushing thick material. Always consult the product's data sheet for recommended tip sizes and PSI settings, as these vary based on material consistency and application.

Tools and materials

Appropriate Sprayer Tips
Large/Commercial Grade Paint Sprayer
Silicone-based paint product

What they say

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little device and it works well what are the best spray rigs tips and psi4 silicone based paint products really depends on the application in the product you're probably gonna want to lean towards a larger rig something that can push something that's got some viscosity to it and again like the tip and stuff is going to depend on where and what your sprain if you're spraying like a roofing coating and it's a big commercial building or you probably don't want to be on that roof all day so you're gonna want to get a bit bigger of a tip but it's all conditions but I'd lean towards 40 10 40 something like that is I think you touched on these you sent this possibly so I mean whether in silicone base or not I mean the viscosity determines you know what tip size what pumps eyes you're gonna need so I mean a silicone base coating may have the viscosity of the consistency of like an exterior paint like duration and it doesn't change anything or that silicone base coating could add the viscosity of say like a block filler and that's gonna change everything bigger tip bigger or of this bigger pump yeah check the datasheet see what the recommendations are it's always a good place to start and an adjustment there

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