Binding Adhesive Strength Tester: Page Pull Tester

上海仪舶实验室自动化 25-01-23 14:02:53

Binding Adhesive Strength Tester: Page Pull Tester

The 'Pira'Page Pull Tester from Mecmesin is employed in more than 100 binderies throughout the world.

The tester offers a low cost, ruggedand reproducible technique for quantifying the page pull strength of perfect-bound books.

The Page Pull Tester enables an efficient binding endurance test. This makes it an established, consistent tool for quality control and assessment, detecting several binding adhesion issues as they take place.

Overview

Mecmesin’s Page Pull Tester, formerly called the Smithers Pira Booktester, helps assess the page-adhesion quality of what are calledperfect-bound magazines and books.

This specialized product is user-friendly and quick and does not need a mains power supply or compressed air, which means it can be utilized anywhere.

Page Pull Strength Test

The binding endurance test establishes the force needed to pull a page from a book spine. The adhesive joint strength is estimated in N/cm by splitting the peak force needed to remove the page based on the height of the page.

The test is relevant to books bound with adhesives like hotmelts and emulsions, for example, polyvinyl acetate (PVA), ethylene vinyl acetate (EVA)and polyurethane (PUR).

Without a standard method of measurement, it is difficult to fix a performance specification for page pull strength.

With the Mecmesin Page Pull Tester, the following page pull strength values are a consistent measure of performance:

Table 1. Source: Mecmesin Ltd

Pull strength range Binding performance
Below 5 N/cm Unacceptable
5 - 7.25 N/cm Satisfactory
7.25 - 9 N/cm Good
Above 9 N/cm Very good

Features and Benefits

Increased sales—show ability to potential customers

Claims protection—identify the issues before they cost money

Better purchasing decisions—test the latest adhesives on site

Problem-solving—identify the present issues efficiently and rapidly

Quality assurance—log performance and demonstrate reliable quality

Optimized maintenance—identify machine faults and prevent costly downtime

Key Specifications

Measurement

Table 2. Source: Mecmesin Ltd

. .
Max force 500 N
Max page height 32 cm (12.6")
Max book thickness 5.1 cm (2")

An easy-to-use scale is included to quantify the page height and precisely align the test sample.

Stand Dimensions

Table 3. Source: Mecmesin Ltd

. .
Weight 10 kg (22 lb)
Height 608 mm (24")
Width 402 mm (15.8")
Depth 305 mm (12")
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