Open-Loop Flow-Through Dissolution System (USP Apparatus 4)开环流通池溶出系统(USP 装置 4)
- Apparatus type
- USP Apparatus 4, open loop
- Number of cells
- 6–8
片剂溶出度仪

Photo for reference; configuration may vary by order.
Model No. TDT-0005 · Dissolution Testing Equipment
透皮制剂溶出度仪(USP 装置 5/6)
Patches and adhesive topical systems are tested at skin temperature, not body temperature, so this six-vessel unit runs at 32 ± 0.5 °C. It supports paddle-over-disk and rotating cylinder methods. When ordering, state whether you want 316 stainless steel or PTFE disks and the vessel volume, between 500 and 900 mL.
| Place of origin | China (dispatched from Shanghai) |
|---|---|
| Brand | Liquid International / OEM on request |
| Export packing | Fumigation-free plywood case or reinforced carton |
| Loading port | Shanghai / Ningbo (others on request) |
| Payment terms | T/T, L/C at sight (confirmed on quotation) |
| Trade terms | EXW, FOB, CFR, CIF, DAP |
Typical export terms — final terms are confirmed on the proforma invoice.
Patches and adhesive topical systems are tested at skin temperature, not body temperature, so this six-vessel unit runs at 32 ± 0.5 °C. It supports paddle-over-disk and rotating cylinder methods. When ordering, state whether you want 316 stainless steel or PTFE disks and the vessel volume, between 500 and 900 mL.
| Parameter | Value |
|---|---|
| Apparatus types 装置类型 | USP Apparatus 5 (paddle over disk), 6 (cylinder) |
| Number of vessels 溶出杯数量 | 6 |
| Vessel volume 溶出杯容量 | 500–900 mL |
| Test temperature 试验温度 | 32 ± 0.5 °C |
| Rotation speed 转速 | 25–150 rpm |
| Paddle-to-disk distance 桨到碟片距离 | 25 ± 2 mm |
| Disk material 碟片材质 | 316 stainless steel or PTFE |
| Cylinder diameter 转筒直径 | 22 mm nominal |
| Test duration 测试时长 | up to 24 h |
| Power supply 电源 | 220 V AC, 50/60 Hz, about 1.2 kW |
| Model No. | TDT-0005 |
| Place of origin | China (dispatched from Shanghai) |
Chinese national standards (GB/T, JJG) and international standards referenced for this product type. Test reports and certificates are supplied with the quotation on request.
Fumigation-free plywood case or reinforced carton
Every unit is power-tested before packing; enclosed in shock foam and moisture barrier; wooden cases comply with ISPM 15.
Shanghai / Ningbo (others on request)
Full container load (FCL), less-than-container load (LCL) or air freight; complete export documentation provided.
Complete the form below — an export engineer will send technical configurations and a formal proforma invoice within 24 hours.
Single instruments, complete laboratories or government tenders — our export engineers prepare the configuration, proforma invoice and shipping documents.