Segmentation by type classifies PCBTF solvents according to their chemical formulation and purity levels, which directly influence performance and price positioning. Technical grade PCBTF, making up approximately 68 % of shipments, is produced with standard impurity limits suitable for bulk industrial uses such as coatings and cleaning where cost efficiency outweighs stringent purity demands. Pharma‑grade PCBTF, about 14 %, meets tighter specifications for trace contaminants, enabling its adoption in high‑purity adhesive formulations for medical device assembly. Custom‑blended variants, representing 11 %, are engineered by OEMs to tailor solvency power, flash point, or compatibility with specific resin systems, thereby supporting niche applications in ink and specialty polymers. The remaining specialty grade (7 %) includes isotopically enriched or environmentally certified formulations that address regulatory niches or performance‑critical scenarios. This type‑based taxonomy clarifies how each purity tier contributes to the overall market footprint while aligning with distinct end‑user requirements.