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An example of a tie-dyed T-shirt A video about how to tie-dye. Tie-dye is a term used to describe a number of resist dyeing techniques and the resulting dyed products of these processes. The process of tie-dye typically consists of folding, twisting, pleating, or crumpling fabric or a garment, before binding with string or rubber bands ...
Hazardous chemicals present physical and/or health threats to workers in clinical, industrial, and academic laboratories. Laboratory chemicals include cancer-causing agents (carcinogens), toxins (e.g., those affecting the liver, kidney, and nervous system), irritants, corrosives, sensitizers, as well as agents that act on the blood system or damage the lungs, skin, eyes, or mucous membranes.
Resist techniques include screen printing, tie-dye, ikat, and batik. [39] royal purple Tyrian purple or royal purple is a purple-red dye which is extracted from several genera of sea snails, primarily Murex brandaris the spiny dye-murex (currently known as Bolinus brandaris). Murex dye was greatly prized in antiquity because it did not fade ...
The low water solubility is the basis of the good wash-fastness of these dyed fabrics. These dyes have good all-around colour fastness except to chlorine bleaches. Because the dye is water-insoluble, it will not bleed when washed in water and will not stain other clothes. The dye, however, may have poor fastness to rubbing.
Secondly, the laboratory supervisor, who reports to the laboratory director, is responsible for organizing regular training sessions on laboratory safety. [9] The third point, the personnel must be informed about any special hazards and be required to review the safety or operations manual and adhere to established practices and procedures. The ...
The top of the Eye or Eye/Face wash water flow must not fall below 33" (83.8 cm) and can be no higher than 53" (134.6 cm) from the floor surface floor the user is standing on (Section 5.4.4). The head or heads of the Eyewash or Eye/Face wash must be 6" (15.3 cm) away from any obstructions (Section 5.4.4).
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Batch dyeing (exhaust dyeing) is a method of dyeing a textile material. The method involves the gradual transfer of dye from a dye bath to the textile material in the same piece of equipment. [1] The various methods of batch dyeing result from the type of machine used in the dyeing process.