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What Are the Differences Between Initial Tack and Holding Tack of High-Temperature PTFE Tape?

Views: 0     Author: Site Editor     Publish Time: 2026-04-10      Origin: Site

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When evaluating the performance of high-temperature PTFE tape, initial tack and holding tack are two easily confused yet distinctly different properties. For applications involving high-temperature PTFE tape, the difference between them directly determines whether the tape is suitable for quick positioning or long-term fixation.

To help users better understand, the fundamental differences between initial tack and holding tack of high-temperature PTFE tape are compared in the table below:

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Comparison Item

Initial Tack of High-Temperature PTFE Tape

Holding Tack of High-Temperature PTFE Tape

Definition

The ability to resist separation immediately upon light pressure and short time contact.

The ability to resist slipping and peeling after full bonding under continuous load.

Performance

Bonds instantly upon application, no edge lifting, easy positioning.

Remains stable without shifting or degumming even under long term stress and heat.

Performance Focus

Focuses on the instant wetting speed of the adhesive.

Focuses on the long term cohesive strength of the adhesive layer.

Testing Method

Measured by the largest steel ball grade that the tape surface can hold.

Measured by the slipping time or distance under a suspended weight.

In summary, initial tack of high-temperature PTFE tape determines how quickly it sticks, while holding tack determines how long it lasts.

The above information is provided by Jiangsu Aokai New Materials Technology Co., Ltd.

For detailed parameters, application scenarios and customized solutions for our full product range — including PTFE high-temperature cloth, PTFE high-temperature tape, Teflon high-temperature mesh belts, seamless belts for bonding machines, single-sided PTFE cloth, high-temperature resistant conveyor belts, high-temperature fiberglass cloth and more — please contact us:

· Service Hotline:Mr. Guo: 18944819998Mr. Liu: 13705266308

We uphold a professional and honest service philosophy and are dedicated to providing you with one-stop solutions and attentive service!

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