Type & Function: 4-way Claisen adapter for assembling vacuum distillation, multi-neck reaction, and reflux setups (fits between condensers, receivers, and reaction vessels)
Joint Compatibility: identical standard-taper ground-glass joints; available in 14/20 or 24/40 sizes for direct connection to standard laboratory glassware and condensers
Material & Thermal Limits: chemical-resistant borosilicate glass; continuous use up to 450°C; maximum allowable instantaneous temperature change (ΔT) ≤ 140°C
Handling & Safety: inspect for chips, cracks, and ground-glass integrity before use; avoid mechanical shock and rapid thermal shocks; manufacturer disclaims liability for damage from improper operation
Warranty & After-sales: 1-year warranty; report transit damage on receipt for replacement/resolution; technical questions supported by customer service
