There needs to be a certain amount of air in the container to prevent hardening in the bottle. He heals in the absence of oxygen. You weren't ripped off, that's how it works.
655 High-Viscosity Pre-Blended Epoxy Adhesive
3 Review
π§ Liquid Nails LN 903 Industrial Construction Adhesive: High-Quality Tapes, Adhesives & Sealants
5 Review
SCIGRIP 10799 3 Acrylic Solvent Cement, Low-VOC, Water-Thin And Very Fast Setting, Clear, 1/4 Pint (4 Fl Oz)
5 Review
Enhanced Conductivity Dispensers by MG Chemicals
4 Review