Yellow static mixers are the mixers generally used many types of metering & mixing machines with a larger 16.7mm bell mouth. The static mixer operates on the principle of mixing elements, the greater number of elements the higher the mixing quality.
Blue static mixers are suitable for many different metering & mixing machines using the 15.9mm bell mouth at the material entry ports. Static mixers cause less maintenance issues than dynamic or rotary mixing guns and should be used whenever possible. Static mixers are suitable for a wide range of ratios.