Microencapsulated Colloidal Suspension Freeze-Thaw Stability Tester -20℃ ～ +80℃ NYT 2989

STNY-108 Pesticide freeze-thaw stability tester

STNY-108 pesticide freeze-thaw stability tester is designed and manufactured according to the specifications of NYT 2989-2016 pesticide registration products. For the freeze-thaw stability test of microencapsulated liquid formulations, imported components are used for the compressor, heating section, and power control section, ensuring high quality and performance. The temperature difference at each point inside the freeze-thaw box during full load operation shall not exceed 1 ℃. Automatic control, real-time dynamic display of data curves, automatic storage of experimental data, and automatic recovery function for unexpected termination of experiments.

Microcapsule liquid formulations should undergo freeze-thaw stability tests. The purpose of the experiment is to ensure the integrity of the capsule when the temperature changes, in order to ensure the complete release of the active ingredient. The conditions for the freeze-thaw stability test are to perform 4 cycles between (-10 ± 2) ℃ and (20 ± 2) ℃, with each cycle lasting 18 hours of freezing and 6 hours of melting.

Microcapsule liquid preparations mainly include microcapsule suspension (CS), microcapsule suspension water emulsion (ZW), microcapsule suspension suspension (ZC), microcapsule suspension emulsion (ZE) and other dosage forms.

1. The qualified requirements for the freeze-thaw stability of microencapsulated suspension (CS) and microencapsulated suspension suspension (ZC) are: the content of free active ingredients after storage, acidity or pH range, wet screening test, suspension rate, spontaneous dispersibility, dumping ability, etc. should meet the product specifications;

2. The qualified requirements for the freeze-thaw stability of Microcapsule Suspension Water Emulsion (ZW) and Microcapsule Suspension Suspension Emulsion (ZE) are: the content of free active ingredients after storage, acidity or pH range, wet screening test, dispersion stability, pour stability, etc. should meet the product specifications.

Functional Features

● Cooling method: French Taikang fully enclosed air-cooled;

● Output method: Supports USB interface connection to a mobile USB flash drive to export historical curves, historical data, and alarm records. The data exported from the USB flash drive can be viewed, printed, and recorded using PC upper computer software

● Operation mode: Fixed value, program operation can be selected

● Control mode: PLC main module, temperature sensor module, communication cable, Ethernet/USB extension, accessory package

● Interface function: The interface device supports micro printers

Technical parameter

Note: The appearance pictures, dimensions, volume and weight of the instrument are for reference only. If there are any updates to the instrument, they may be slight changes without prior notice.

Package list

Shandong Shengtai Instrument Co., Ltd. provides the following quality assurance for the instruments sold to you:

----The provided instrument materials are brand new, meet national quality standards, and have a manufacturer's certificate of conformity;

----The materials and main components provided meet the technical requirements specified in the technical documentation;

----The overall quality assurance period of the equipment is one year (excluding normal wear and tear of vulnerable parts).

----We are responsible for free maintenance of any instrument quality issues that occur during the warranty period. Due to equipment malfunction caused by the user's responsibility, we are responsible for repairing and charging reasonable fees.

----Lifetime discounted supply of parts for equipment, and lifetime maintenance and repair of the entire machine.

----After the expiration of the warranty period, if the user needs maintenance and technical services, we will only charge a cost fee.