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UL 94V Flammability test

These requirements cover tests for flammability of polymeric materials used for parts in devices and appliances. They are intended to serve as a preliminary indication of their acceptability with respect to flammability for a particular application. revised June 2, 2006 1.2 The methods described in ...

12-20

FLAMMABILITY TESTS FOR ASSESSING CARPET PERFORMANCE

The potential of building materials to contribute to fire growth and spread has lead to extensive regulatory control. Various and numerous small-scale tests are used to simulate and characterize flammability, flame spread and smoke production. Recently Fire Science and Technology Laboratory at CSIRO...

12-06

FLAMMABILITY TESTING OF REFRIGERANT BLENDS

Improving efficiency, lowering ozone depletion (ODP),lowering contribution to global warming (GWP) are the driving forces behind new chemicals and new formulations being brought to the market by the industry. ASHRAE Standard 34 -2010 Designation and Safety Classification of Refrigerants specifies ri...

12-06

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