Ring Type Adhesion Tester LRAT-T2010

Introduction

Ring Type Adhesion Tester provides measurement accuracy ±1% makes it highly accurate device. It has a software system is most advance and complies with different test methods such as , , and makes it easy to use. Its compact design allows it to be portable easily can be relocated. Additionally, it can also be connected with a computer for operation and controlled testing. Our adhesion tester tests the initial adhesion value of material such as tapes, protective films, and other similar products.

This test equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

It’s ring-type adhesion tester, , is spatially designed to assess and measure the initial adhesion of materials such as self-adhesive tapes, protective films, and other similar products. Our machine complies with international standards such as and , making it suitable for research and production testing and relevant organizations. 

Specifications

Capacity ()	50N
Control Method	Full computer control mode, powerful software
Unit of Force	N、kN、gf、kgf、lbf、kP、tf(SI)、tf(long)...
Unit of Length	mm、cm、Inch、m、km、um...
Force Resolution	1/1,000,000
Sensor Accuracy	3/10,000
Stroke Resolution	1/1,000,000
Machine Accuracy	Level 0.5
Effective Stroke	200mm
Power	400W
Power Supply	220V 50~60HZ
Speed Range	0.01~500mm/min
Test Space	Diameter Φ140mm
Shutdown Mode	Overload stop, emergency stop key, automatic stop for test piece destruction, automatic stop for upper and lower limit setting;
Machine Power	Servo motor drive
Machine Dimensions	360×380×520mm (W×D×H)
Machine Net Weight	18KG

Features

Compact bench top design

The latest accurate software

Highly efficient

Connection with a computer

User-friendly operation

FAQs

1. What does the Ring Type Adhesion Tester measure?

The Ring Type Adhesion Tester evaluates the tackiness or initial stickiness of pressure-sensitive adhesives by measuring the force required to detach a metal ball or ring from the adhesive surface. It simulates the first contact behavior between the adhesive and substrate. This test is vital for products like tapes and labels, where quick bonding performance is critical. It provides a quantitative way to compare different adhesive formulations and batch consistency.

2. What types of materials can be tested with this instrument?

Ring Type Adhesion Tester is used primarily for pressure-sensitive adhesive materials such as adhesive tapes, labels, protective films, and sticker sheets. It works best on flat, flexible surfaces and is widely used in packaging, automotive, and electronics industries. The adhesive must have sufficient surface area to interact with the ring or ball. It is not suitable for structural adhesives or materials requiring prolonged curing or pressure for activation.

3. How the initial adhesions test is conducted using the ring method?

In the Ring Type Adhesion Tester, a metal ring is brought into contact with the adhesive under a fixed pressure and for a standardized time. Then, it is pulled away vertically, and the maximum force required to detach the ring is recorded as the initial adhesion value. The test conditions, including temperature, contact time, and rate of separation, must follow standard methods like Z0237 to ensure consistent and comparable results across samples.

4. What factors affect the initial adhesion test results?

Several factors influence results: adhesive formulation, surface energy of the adhesive and substrate, application pressure, contact time, and testing environment (especially temperature and humidity). A smooth, clean test surface is essential. Even small contaminants or inconsistencies can cause variations. It's also important to regularly calibrate the tester and follow a strict testing protocol to reduce operator-induced variability and ensure reliable, repeatable readings.

5. Why is initial adhesion important in product development?

Initial adhesion reflects how quickly an adhesive can bond to a surface upon contact, which is crucial in applications like labeling, taping, or protective films that must adhere instantly. Strong initial tack ensures easy application and reliable performance without requiring prolonged pressure. Measuring it helps R&D teams select or modify adhesives for specific uses and supports quality control by verifying batch-to-batch consistency in production environments.