Keeling & Walker is a historic manufacturer of innovative technology additives:
– ADDITIVES FOR LASER MARKING (also Sb free), suitable for all types of polymers with the possibility of having light contrast on dark and dark on light and of marking transparent polymers;
– ADDITIVES FOR LASER WELDING, able to optimize and increase the absorption of laser radiation on colored parts and to give the ability to absorb radiation even to transparent polymers, without any impact on the color;
– IR ABSORBER ADDITIVES, used in colored and transparent films to filter IR radiation limiting the temperature increase caused by sunlight.