For INK and Printability Testing

Definition: A property of paper referring to the degree to which a paper can maintain its surface and structural integrity under prolonged rubbing, scratching, and scuffing The term abrasion resistance also refers to a printing ink's ability to resist scuffing and scratching with increased handling, an important consideration in the printing of packaging and other materials destined to be subjected to abrasive forces.

Standardization : DIN 53754 , DIN 68861-2 , DIN 52347, DIN 53109 , TAPPI T476 u.v.m

Device description : The abrasion tester is a robust instrument suitable for table top use . the accurate control and driving elements are contained in study aluminum housing with durable baked wrinkle enamel finish . The operating data , such as number of test cycles and vacuum rate , are entered by way of control panel with keyboard . A digital display shows reading of the either current abrasion cycles rate (wear index) or the remaining number of abrasion cycles. By using the abrasion tester , two abrasion sets with different specified parameters can be conducted simultaneously , yet remaining independent of each other . the instrument enables abrasion testing on paint and other coatings , such as paper , leather , ceramics , textile surface structures and metals . the equipment is suitable for use in research and development for in-process and quality assurance controls

Test Description: Abrasion resistance is measured in a laboratory by rotating a paper sample under abrasive wheels for a set length of time, and then measuring the sample's change in weight. Wet or dry abrasion resistance tests can be performed. The wearing action is caused by two abrasive wheels , which are applied at a defined pressure to material sample , which has been mounted on a rotating specimen holder . abrasion resistance can be established by various testing methods (weight loss method , visual end point method , depth of wear method etc.)

Device Description : The metering bar coater is a table top instrument with a quick clamping unit for the sample . the coating materials (like a piece of paper and board) lies on a rubber – melinex surface . A metering bar is clamped into a clamp system and the coating colour is put on front of the bar . the motor moves the bar with a predefined speed over the coating material and stops when the end is reached . the bar is lifted off the coated samples and motor moves the system back to start position.

Test Description : The sample us clampled on the coater . A metering bar is slected and put into the bar holder . the bar is at starting position. The coating colour is poured onto the coated materials in front of the bar . the motor starts and the coated colour is evenly distributed on the sample . the coating thickness can be between 4um and 120um and is reached by selecting the special metering bar.

Device Description : Roughness of paper or similar material is defined as the volume of air that forced by a specified pressure difference escapes in unit time by passing between the surface of the specimen and flat metal ring resting on a specimen and exerting a definite pressure on it. A sample is placed on a perfect plane glass plate, measuring head on the test piece a controlled and small air pressure pass through a flat metal ring and the specimen. The pressure difference read off on selected rotameter tube.

Test Description : A sample is placed on a perfect plane glass plate , measuring head is placed on the paper and the test piece , a controlled and small air pressure pass through a flat metal ring and the specimen. The pressure difference is read off on selected rotameter tube

Definition : Brightness is a commonly used industry term for the numerical value of the reflectance factor

of a sample with respect to blue light of specific spectral and geometric characteristics. This method requires an

instrument employing 45° illumination and 0° viewing geometry with the illuminating and viewing beams adjusted so that translucent materials are evaluated on an arbitrary but specific scale . the directional reflectance is measured at 457 nm.

Standardization : ISO 2469, 2470, 3688, 5631, 9416, 11475, 11476, 22891, 22754 TAPPI T519, T525, T527, (T534, T560, T567) DIN 53145, 53146, 53147, 54500 Paptac E1, E2 SCAN G3, 5, 8, 66, 71, 72, each/P JIS P8148 etc.

Device Description : NOVICOLOR a modern , easy to use and feature rich Color-QC application for paper and packaging industries and automotive supply chain members. It enables customers to analyze report and visualize accurate colour QC results . it incorporates the indices , tolerances methods , graphs and sight sources D65 , c UV ex.. the device either comes with a built in touch screen or can be connected with a PC.

Test Description : the device is easy to control due to its touch screen and windows use of program. The data files can be saved directly on the computer. A printer can be connected to the USB port or the device enabling direct printout. The light source is filtered according to D65 , C, and UV ex level.