Continuous abrasion test & dry-sand wheel test
Abrasion tests with 3-body-abrasion condition under comparatively low stress can be carried out according to ASTM G65 [12] on a dry-sand rubber-wheel tester (see Figure 2). Different option or variants are used. Procedure A is a relatively severe test which will rank metallic materials on a wide vol...
11-28
Spherical abrasion test method
The spherical abrasion test method has beeen introduced as Calowear? respectively Calotest (R) Tester by CSM Instruments SA [11] as an instrument for a simple identification of coating thickness but also to investigate the abrasive wear behaviours of coated and uncoated materials. The determination ...
11-28
Test Method of Specified Requirements of Water Repellency Textiles
Water repellent fabrics are processed with water repellent additives, so that water droplets form on the surface but do not penetrate the fabric, a phenomenon known asthe lotus effect. The efficiency of water repellency is graded in 6 ratings as 0, 50, 70, 80, 90 and 100. A standard test is usually ...
11-22
Waterproof vs Water Resistant What's The Difference
There are few things more frustrating than arriving somewhere and realizing your gear is soaked through. Thats why choosing the right bag is super important. But finding that right bag can be trickier than we think: some bags say theyre waterproof, others say theyre water resistant, and you might no...
11-22
Applications of Wyzenbeek abrasion tester
Wyzenbeek abrasion tester applies to automotive and furniture industry fabric manufacturers working to US Standards Motor driven with 4 abrasion heads and electronic digital counter to control the number of cycles.A set of Suction manifolds and an Auxilliary vacuum cleaner are included, consumables ...
11-16
Hydrostatic Head and Breathability test
What is the hydrostatic head? The hydrostatic head indicates the waterproofness of a fabric/garment. It is measured in millimeters and indicates the pressure of water required to penetrate the fabric. The fabric is put over the bottom end of a universal tube and then water is poured into the tube un...
11-14
Effective Water Vapour Permeability of Wet Wool Fabric and Blended Fabrics
The water vapour permeability of fabrics is one of the most important factors determining wearer comfort. Contrary to commonly accepted theories, outerwear is often used in a wet state, which has an influence on their properties. However, common standard measuring instruments mostly do not enable re...
11-14
The classification of Abrasive Wear
Hard protuberances or hard particles forced against and moving along a solid surface is known as abrasive wear. These hard particles may be common abrasives such as silicon carbide and aluminum oxide, or naturally occurring contaminates such as dust particles and sand [crystalline silica (quartz)]. ...
11-09
CARPET SPECIFICATION GUIDELINE FOR BROADLOOM AND MODULAR TILE
1. Product Sustainability and Environmental Requirements. To achieve superior performance in multiple environmental attribute areas,carpet must have third party certification in accordance with NSF 140 2007 e Sustainable Carpet Assessment Standard at a Gold level minimum. Carpet manufacturer must su...
11-08
Carpet Wear Testing and Evaluation
The certified carpet inspector, experts from the Weinheimer Group are often called upon for carpet wear testing and to evaluate wear on installed carpet installations. When arriving at a site we often hear the statement, My carpet is wearing out. It is possible that it is wearing out though more tha...
11-08