Best for: All fabrics, hard surfaces (plastic, glass, metal), leather, tricky materials, heavy stones, high-wear items (shoes, bags).
Pros: Strongest bond (preferred even on fabric); flexible when cured; waterproof/washer-safe; bonds “anything to anything”.
Limitations: Higher cost than white glue; ventilation recommended during use.
Dry/Cure: Tacky ~1–2 min; sets ~10–20 min; full cure 24–72 h.