Introduction

This chapter provides an introduction to the fundamental background of geopolymer and metakaolin-based geopolymer (MKG). Firstly, an overview of geopolymer and geopolymerization is presented. Subsequently, two crucial constituents of MKG, namely metakaolin and alkali activator, are introduced. Furthermore, notable distinctions between geopolymer and ordinary Portland cement (OPC) are highlighted. Lastly, this chapter discusses the various applications of geopolymer. The primary objective of this chapter is to establish a brief foundation that enables readers to comprehend the concepts of geopolymer and MKG more effectively.