PS-SAFE23 has unique feature as it can stick the styrofoam material. It does not contain toluene and formaldehyde that contribute to smog in cities and industrial area. This is the only contact adhesives with 36.5% solid. It's cost effective with the highest active ingredients. PS-SAFE23 is made of tough elastomeric rubber, tackifying resins and solvent with least odor without toluene . Unique feature as it can adhere the styrofoam material Strong grab on contact with higher green strength Excellent water resistance as it immersed in water for 3 months without adhesion failure. Very Low odor without toluene and MEK