Wet membrane patch

A wet film applicator is a coating tool used to create a uniform wet coating on a substrate. Its principle involves controlling the amount of coating material through its thickness, and its purpose is to simulate the coating process in laboratory settings. It is applied in the paint and ink industries for testing coating performance.
Selection
When selecting wet film gauges, consider the coating thickness requirement to match the gauge thickness, material compatibility to avoid corrosion, substrate type to suit the surface, ease of operation to ensure usability, and cost factors to control the budget.

Terms

Standards

Instruments

The use of PTFE oxygen permeable membrane to ensure oxygen permeability, spiral cap design for easy installation and electrolysis filling, suitable for Portable dissolved oxygen measurement equipment maintenance.

$ 243.00

PTFE oxygen permeable membrane ensures oxygen permeability, ABS plastic material enhances durability, screw cap design simplifies installation process, suitable for long-term water quality monitoring applications.

$ 243.00

Using triple ceramic dialysis membrane and LT Glass Sensor membrane, Measurement range 0.00~ 12pH, support -5~ 70 ℃ sample temperature measurement, built-in temperature sensor to achieve automatic compensation, Bluetooth connection for data transmission.

$ 596.00

When the temperature reaches 90 ° C, the patch changes from white to black, with irreversible discoloration characteristics; the reflective display function is convenient for day and night inspection to detect temperature abnormalities, with a size of 25 * 21mm.

$ 81.00

Using irreversible discoloration technology, white turns black after overheating and displays numbers at the same time. Measuring temperature 80 ° C, diaMeter 2 cm circular patch design, suitable for indoor environment use.

$ 88.00

70 ℃ rated temperature monitoring, irreversible discoloration characteristics ensure the accuracy of temperature recording, 40 * 40mm square patch design for easy installation and observation, reflective display function supports all-weather monitoring.

$ 81.00

Using PTFE oxygen permeable membrane, the probe cathode and anode are isolated from the sample, and oxygen passes through the membrane and acts with the polarographic system to generate current to ensure accurate and reliable measurement.

$ 299.00

Using high density polyethylene (PE) oxygen permeable membrane to achieve efficient oxygen diffusion, equipped with ABS plastic screw cap structure for easy installation and electrolysis filling, and interact with the current system for accurate measurement of dissolved oxygen concentration.

$ 243.00

Adopting three-color reversible discoloration technology, when the temperature reaches 75 ° C, it turns from white to red, and turns black when it falls back to record the over-temperature history. The size is 25 * 21mm, with stickers for easy installation, and the repeability can be used to monitor temperature changes.

$ 86.00

Using film heating and PID intelligent temperature control technology, the temperature control accuracy is up to +/- 0.3 ° C, the temperature uniformity is less than or equal to +/- 0.5 ° C, and the automatic preheating and power failure recovery functions are supported.

$ 687.00

With three-color reversible discoloration function, when the temperature reaches 65 ° C, it turns from white to red, and when it falls back, it turns from red to black. It can be used with repeability and records the historical overtemperature state. The size is 25 * 21mm for easy installation.

$ 87.00

With unique discoloration and digital display function, it can change white to red, red to black three Color changes, temperature monitoring range of 75 ℃, can record over temperature history, with its own sticker for easy installation and use.

$ 86.00

With a unique discoloration temperature function, it can achieve white, red, and black color changes, with a rated temperature of 75 ° C, with stickers for easy pasting, and can record temperature change history.

$ 86.00

Using irreversible discoloration technology, white turns black after overheating while displaying numbers, Measuring temperature 75 ° C, circular patch design is easy to observe temperature changes.

$ 88.00

Measurement range 0-10mm, accuracy ≤ 0.02mm, Graduation 0.01mm, pressure 22kPa +/- 2kPa, upper probe diaMeter < 10mm plane, simple and reliable structure, handheld and Benchtop two specifications.

$ 267.00

Articles

Ultrasonic Thickness Gauge Selection: Technical Considerations for Probe Configuration and Measurement Modes
This article primarily introduces the technical factors to consider when selecting an ultrasonic thickness gauge. In terms of probe configuration, the frequency affects both resolution and penetration depth, while crystal size determines adaptability to curvature and surface conditions. Dual-element probes offer a smaller dead zone compared to single-element probes, and delay-line probes are suitable for thin-wall and high-temperature applications.
Laboratory rod coater for submicron wet film preparation of photoresist.
This article introduces the process of using a laboratory bar coater to prepare submicron wet films of photoresist.
Application of Wet Film Wheel Gauge in Continuous Measurement of Wet Film Thickness for Large-Area Coatings
The wet film wheel gauge is a mechanical tool used to measure the thickness of wet coatings, operating based on the geometric relationship of three coaxial disks (two parallel outer wheels on the sides and an eccentric inner wheel in the middle).
Operating specifications for on-site measurement of coating wet film thickness using wet film combs
This article introduces the operational standards for on-site measurement of coating wet film thickness using a wet film comb gauge. First, it explains the measurement principle of the wet film comb gauge, which involves estimating the thickness by observing the extent to which the teeth of the gauge are coated with the paint.
Selection of wet film thickness gauge range and accuracy requirements for comb teeth spacing.
When selecting a wet film thickness gauges, the key considerations are the measurement range and the accuracy of the comb teeth spacing. The range should cover the coating thickness with a slight margin to avoid being too small for measurement or too large, which could reduce resolution.
The film coater applies a conductive film onto transparent substrate test pieces.
This article introduces a method for uniformly coating conductive films on transparent substrates such as glass or plastic films using a film applicator.
The coating machine applies an anti-reflection coating on the surface of optical lenses.
A coating machine is a precision device used for depositing anti-reflection coatings on the surface of optical lenses. Based on the principle of light interference, it forms a thin film of specific thickness on the lens surface through physical or chemical methods to reduce light reflection and enhance light transmission performance.
Wet film thickness gauge measures the wet film thickness of varnish.
The wet film thickness gauge is a mechanical tool used to measure the thickness of liquid varnish coatings. It operates by rolling the gauge so that the tips of its teeth contact the substrate and leave marks. The thickness value is then obtained by the operator reading the scale of the first tooth that becomes coated with the varnish.
Wet film applicator for applying color paint to a specified wet film thickness.
A wet film applicator is a laboratory tool used to apply a predetermined thickness of wet paint film onto a flat substrate, providing the foundation for subsequent dry film performance testing.
Operating Specifications and Result Interpretation of Paint Fineness Gauges
The fineness gauge is used to measure the dispersion of particles in paint. During operation, the sample should be applied to the groove under standard conditions, and a scraper is used to spread it evenly to form a wet film. The particle visibility is then observed under appropriate lighting, and the fineness value is read from the corresponding scale.
Application of Two-Step Method with Pre-Coating and Fine-Coating in Eliminating Bubble Defects for Dual-Blade Coater
The dual-blade coater employs a two-step method of pre-coating and precision coating to eliminate bubble defects during the coating process. In the pre-coating stage, high shear force is applied to break the bubbles in the slurry, causing them to rupture and rise to the surface. The precision coating stage then precisely controls the coating thickness, removing any remaining bubbles to form a uniform wet film.
Key Points for Controlling Coating Longitudinal Uniformity with Manual Rod Coater Constant Speed Dragging Techniques
This article discusses how to control the longitudinal uniformity of the coating by dragging at a constant speed when using a manual wire rod coater. A constant-speed drag is crucial, as it directly determines the consistency of the wet film thickness.
Key Points for Wet Film Thickness Control in the Preparation of Fluorocarbon Coatings for Photovoltaic Backsheets Using Automatic Film Coating Machines
This article introduces the key points of controlling wet film thickness in the preparation of fluorocarbon coatings for photovoltaic backsheets using an automatic coating machine. Wet film thickness directly affects the performance and uniformity of the coating after curing, making its control crucial.
Derivation and Validation of the Quantitative Relationship between Wire Diameter and Wet Film Thickness in Wire Wound Coating Bars
This paper investigates the relationship between the wire diameter in a wire-wound rod coater and the wet film thickness. Theoretically, under ideal conditions, the wet film thickness is approximately half of the wire diameter.
The correct method for using a wet film thickness gauge.
The wet film thickness gauge is used to measure the thickness of uncured coatings. It determines the value by reading the scale through contact with the wet film using a toothed structure, which is crucial for controlling dry film thickness and estimating material usage.