CULMINAL GAP 0545, modified methylhydroxythylcellulose, is a new concept of modified methyl cellulose derivates used in premium cementious tile adhesives. There are several key performance gaps in today's ecological formulations, which are addressed with CULMINAL GAP 0545 concept, such as low impact on cement hydration, faster strength development, high final tensile strength, excellent workability & sag resistance and improved setting at low temperatures.