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描述
GA-DMTJ Low Temperature Film Forming Apparatus
1.介绍:
When polymer emulsion is used as coating, 粘合剂, chemical fiber fabric, 皮革, paper and other surface treatment agent, its film formation is one of the important technical indicators. researcher
In order to produce new products with lower film forming temperatures, the technical specifications and formulations are constantly improved. 所以, the minimum film forming temperature (MFT) detected is the weight of this type of coating
The ideal instrument that can easily measure MFT is the DM-TJ type minimum film forming temperature tester.
Dm-tj type minimum film forming temperature tester (referred to as low film) is designed and manufactured according to the national standard GB9267-88, it is a new generation of paint film tester, with national
Many advantages of traditional internal and external testing instruments, but also the integration of benchtop, energy saving, ultra-wide workbench, accurate temperature measurement and other advantages in one.
GA-DMTJ Low Temperature Film Forming Apparatus
2. the working principle:
A cold and heat source capable of setting arbitrary temperatures is installed at both ends of a metal plate with appropriate thermal conductivity. After a certain time of cooling and heating, the metal plate is made
In a stable state, a gradient temperature is formed on its surface. The measured emulsion is coated in a groove on the surface of the board, under the action of different temperatures, the emulsion water evaporates in a
The constant temperature line forms a clear dividing line. The high temperature side of the boundary line is transparent, and the low temperature side of the boundary line is cracked or chalky, which is the lowest temperature of film formation
Degree (MFT).
GA-DMTJ Low Temperature Film Forming Apparatus
3.范围
| Gradient plate operating temperature range | Adjustable between -7 ° C and 70 °C |
| Gradient plate detection point | 13 Piece |
| Gradient interval | 20毫米 |
| Test coating tank | 6 件, length 240mm, width 22mm (national standard 20-25mm), depth 0.25mm (national standard 0.20-0.30mm) |
| Inspection table display | 16 点, of which 1 到 13 points for the working gradient temperature, 14 points for the instrument ambient temperature, 15, 16 points for the cooling water inlet and outlet temperature |









