External mix plural component gun are used for plural component pumps and machine, it can spray two components paints,sealant,glue,other liquid.External Mix type Two components Spray Gun are recommend if solidification time are very short after mixing Group A and Group materials.
Internal mix two components spray gun has a built-in Static mixer to ensure two components evenly mixing.
Statix mixer inside are made of polyformaldehyde with great anti-corrosion performance.
The difference between internal mix at Gun inside and external mix at gun outside:
- Internal mix type
Build-in mix system in the spray gun, to make even mixture - External mix type
Can spray two component fast cure type liquid material
Please learn more details from below link
https://www.airlessprayer.com/products/plural-components-airless-sprayer/
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