Schopper paper folding endurance Tester

The Schopper paper folding endurance tester clamps a paper sample and repeatedly folds it under a fixed tension, recording the number of folds before breakage. It is used to evaluate the durability and flexibility of paper and is commonly applied in quality control during paper product manufacturing, such as testing packaging paper and banknote paper.

Instruments

Equipment with 12 sets of fixtures, bending angle 22.5 °, can be 100 +/- 5cpm folding test, suitable for upper, clothing, bags and other thin material folding endurance evaluation.

$ 1101.00

Folding angle 0 °~ 142 ° stepless adjustable, folding speed 10~ 2000cpm, spring tension 4.91~ 14.72N, with a variety of folding mouth gap distance selection, support real-time data display and thermal print output.

$ 2784.00

Folding Angle 0 ° to 142 ° stepless adjustable, folding speed 10~ 2000cpm, imported tension configuration to improve Stability, folding head width 19 +/- 1mm, suitable for a variety of paper material fatigue test.

$ 2168.00

It has an adjustable folding speed of 20-200 times/minute, supports 4.9N to 14.7N tension adjustment, and adopts color touch screen control to accurately measure the number of folding times of the material under 135 ° folding.

$ 2074.00

Using stepper motor precision positioning, folding speed 175 +/- 2cpm, automatic measurement of statistical test results and save data, with automatic return and a variety of folding mouth gap distance selection function.

$ 1501.00

Folding speed 175 +/- 5 times/min, folding angle 135 +/- 2 °, using high-performance stepper motor and 32-bit ARM processor, equipped with 5-inch color Touchscreen and thermal printer, to achieve accurate and stable automatic measurement.

$ 1916.00

Folding angle 135 +/- 2 °, folding speed 175 +/- 10cpm, with photoelectric control automatic return function, can automatically count the same group of samples MAX Maximum, MIN Minimum and Coefficient of Variation data.

$ 1655.00

Adopt full computer control technology, folding angle 135 ° +/- 2 °, folding speed 175 +/- 10cpm, with automatic testing and intelligent judgment functions, compact structure and convenient maintenance.

$ 1493.00

Can be set horizontal longitudinal, speed, angle and tension size, folding angle 135 ° +/- 1 ° adjustable, folding speed 2-200cpm adjustable, equipped with independent cooling system suitable for long-term fatigue test.

$ 2510.00

The device can automatically count the number of double folds and return, support multi-sample data statistics, folding angle 135 +/- 2 °, speed 175 +/- 10cpm, with data processing and storage functions.

$ 1622.00

Adopt stepper motor for precise positioning, folding angle 135 ° +/- 2 °, folding speed 175 +/- 2cpm, photoelectric control automatic return, test range 1~ 99999 times, support a variety of seam distance options.

$ 1401.00

Measurable thickness of less than 1mm material, folding speed 175 +/- 10cpm, spring tension 4.9~ 14.7N, left and right folding angle 135 ° +/- 2 °, support a variety of seam distance configuration.

$ 1437.00

Film thickness can be measured below 1.25mm sheet material folding performance, folding angle 135 ° +/- 2 °, folding speed 175 +/- 10cpm, with intelligent judgment and statistical printing function.

$ 1493.00

Full computer control technology implementation of automatic testing, folding angle 135 ° +/- 2 °, folding speed 175 +/- 10cpm, with intelligent judgment and test data preservation function, compact structure and convenient maintenance.

$ 1542.00

Measurement range 1~ 60000 times, folding angle 135 +/- 2 °, can automatically count and count the same group of sample data.

$ 1380.00

Articles

Extended Application of Paper Water Absorption Tester in the Dispersibility Evaluation of Tissue Paper
This article explores how to extend the application of an instrument originally used for testing the water absorption capacity of paper to evaluate the dispersibility of tissue paper.
Short Span Compression Strength (SCT) Tester for Analyzing Paper Compression Resistance
The short-span compressive strength (SCT) tester is used to measure the resistance of materials such as paper and cardboard to compression over a short distance, primarily following international standards such as ISO 9895.
IGT Printability Tester Evaluates Paper Surface Pick Resistance
This article introduces how to use the IGT printability tester to evaluate the surface pick resistance of paper. Picking refers to the phenomenon where the tack force of the ink is too high during printing, causing the surface fibers of the paper to be lifted, which affects print quality.
Internal Bond Strength Scott Tester for evaluating interlayer bonding force of paper.
This article introduces the method of evaluating the interlayer bonding strength of paper using a Scott tester. The interlayer bonding strength affects the printing and mechanical properties of paper. During testing, the instrument peels the paper vertically through an adhesive test head, records the energy required for separation, and calculates the internal bond strength.
MIT Folding Endurance Tester is used for high-frequency folding tests.
This article introduces the application of the MIT folding endurance tester in high-frequency folding tests. High-frequency folding tests simulate the actual usage of materials under rapid and repeated folding, placing high demands on the instrument, requiring it to possess high frequency, high precision, and stability.
Tensile strength testing machine measures the tensile properties of paper.
The tensile strength tester is used to determine the tensile properties of paper by simulating the stretching process to obtain key parameters such as tensile strength and elongation at break. The testing follows standards such as ISO and GB to ensure reliable results.
Paper Whiteness Tester Measures CIE Whiteness
This article explains how a paper whiteness meter measures CIE whiteness. Whiteness is a crucial optical indicator for evaluating paper quality. Traditional methods rely on subjective judgment, while modern instruments provide objective data by simulating standard lighting conditions.
Glossmeter 75-degree angle measurement for paper gloss
This article introduces the principle and method of measuring paper gloss using a 75-degree specular gloss meter. Gloss is defined as the ratio of the light reflected from the paper surface to that reflected from a standard reference plate, with the 75-degree angle commonly used for measuring medium to high gloss papers.
Sheffield Smoothness Tester for Analyzing Paper Printing Surface
This article introduces how the Sheffield smoothness tester analyzes the printing surface of paper. The instrument quantifies paper smoothness by measuring the air leakage time, with a longer time indicating a smoother surface.
Schopper air permeability tester measures paper air permeability.
The Schopper air permeability tester measures the air permeability of paper based on Poiseuille's law, calculating the permeability by either the air flow rate under a constant pressure difference or the pressure difference at a fixed flow rate.
Cobb Absorbency Tester Evaluates Paper Water Absorption Capacity
The Cobb water absorption tester is used to measure the water absorption capacity of paper or cardboard by simulating the liquid contact process and calculating the mass of water absorbed per unit area to determine the Cobb value.
Paper Thickness Gauge for Determining Paper Thickness and Apparent Density
This article explains how to measure paper thickness and apparent density using a paper thickness gauge. Thickness refers to the vertical distance between the two sides of paper under standard pressure, while apparent density is calculated by dividing the basis weight by the thickness, reflecting the compactness of the paper.
Contact angle measuring instrument measures the surface wettability of paper.
The contact angle goniometer evaluates wettability by measuring the contact angle of a liquid droplet on the surface of paper, based on the principle of Young's equation. The static drop method is commonly used for measurement, requiring control over sample flatness, environmental conditions, and droplet volume, while also considering the influence of surface roughness.
Application of Valley Beater in Pulp Laboratory Beating
The Valley beater is a device used in laboratories to simulate industrial beating processes. It modifies the morphology of pulp fibers through mechanical action, thereby influencing paper properties. During operation, parameters such as beating pressure, pulp consistency, and beating time must be controlled, with the beating degree serving as a quantitative measure of the effect.
Standard Method for Determining the Beating Degree of Pulp Using a PFI Mill
This article introduces the standard method for measuring the degree of pulp beating using a PFI mill. The beating degree is a key indicator of the extent of pulp fiber processing and directly affects paper quality.