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Liquid optically-clear adhesive (LOCA) is liquid-based bonding technology used in touch panels and display devices to bind the cover lens, plastic, or other optical materials to the main sensor unit or each other. These adhesives improve optical characteristics and durability. LOCA glue is often hardened using ultraviolet light.
It’s particularly effective on white porcelain surfaces where water spots and soap residue are most visible. For stubborn areas, hold the eraser against the spot for 10-15 seconds before wiping.
White cast iron displays white fractured surfaces due to the presence of an iron carbide precipitate called cementite. With a lower silicon content (graphitizing agent) and faster cooling rate, the carbon in white cast iron precipitates out of the melt as the metastable phase cementite, Fe 3 C, rather than graphite. The cementite which ...
Anti-scratch coating is a type of protective coating or film applied to an object's surface for mitigation against scratches. Scratches are small surface-level cuts left on a surface following interaction with a sharper object. Anti-scratch coatings provide scratch resistances by containing tiny microscopic materials with scratch-resistant ...
Enamel over cast iron is a popular material for kitchen and bathroom sinks. Heavy and durable, these sinks can also be manufactured in a very wide range of shapes and colors. Like stainless steel, they are very resistant to hot or cold objects, but they can be damaged by sharp impacts and once the glass surface is breached, the underlying cast ...
In 1968, Elmer's introduced Elmer's School Glue, the first white glue that washed out of clothes. Soon, Elmer's Glue-All and School Glue would contain the same ingredients, but each retained its different packaging. [9] In the 1970s, Elmer's also began marketing Krazy Glue, a well-known cyanoacrylate adhesive.
A casting defect is an undesired irregularity in a metal casting process. Some defects can be tolerated while others can be repaired, otherwise they must be eliminated. They are broken down into five main categories: gas porosity, shrinkage defects, mould material defects, pouring metal defects, and metallurgical defects.
Cast iron is a poor heat conductor compared to copper and aluminum, and this can result in uneven heating if a cast-iron pan is heated too quickly or on an undersized burner. [7] Cast iron has a higher heat capacity than copper but a lower heat capacity than stainless steel or aluminum. [ 8 ]