Dimroth coil condenser with double-spiral internal cooling coil made from BORO 3.3 borosilicate glass for high-efficiency reflux and distillation – LabChoice Australia.
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Dimroth Coil Condenser BORO 3.3 Borosilicate Glass

From $70.90 (Ex GST)

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Dimroth coil condensers supplied by LabChoice Australia provide exceptional cooling efficiency for demanding distillation, reflux and solvent recovery workflows in teaching, analytical and industrial laboratories. Manufactured from premium BORO 3.3 borosilicate glass that complies with ISO 3585 and ASTM E438 Type 1 Class A standards, these condensers offer outstanding thermal resistance, chemical inertness and structural strength. Their signature double helix internal coil design significantly increases the cooling surface area, allowing highly effective heat exchange and rapid vapor condensation even under high vapor load conditions.

Each Dimroth condenser features precision ground glass joints manufactured according to ISO 383 and ASTM E676 specifications, ensuring seamless compatibility with boiling flasks, stillheads, Soxhlet extractors, reaction vessels and modular distillation systems. The internal coil directs coolant through a continuous spiral path that maximises thermal contact with rising vapor, while the outer water jacket ensures uniform coolant distribution and stable operating temperature. The high clarity BORO 3.3 glass body allows easy visual monitoring of vapor movement, coil cooling behaviour and condensate return.

Dimroth coil condensers are widely used in advanced organic synthesis, long duration reflux setups, high boiling point solvent distillation, polymer chemistry, botanical extraction, pharmaceutical development and research focused on heat sensitive compounds. Their superior cooling performance supports reactions requiring tight thermal control, sustained reflux, reduced flooding and efficient condensation across extended operating periods. The double helix configuration also helps maintain smooth vapor flow, lowering the risk of back pressure in complex distillation assemblies.

All Dimroth condensers supplied by LabChoice Australia undergo ISO 9001 aligned quality control inspection. This includes dimensional accuracy checks, coil integrity verification, water jacket pressure testing, joint taper conformity assessment, clarity inspection and thermal shock testing. Each condenser is fully validated to meet ISO and ASTM  borosilicate performance requirements, along with interchangeability standards for ground glass joints. These stringent quality processes ensure stable, safe and long lasting performance for laboratories requiring high efficiency cooling condensers.