Everything in the world has its own attributes and levels, and cable products are widely used and diverse. Even if you are in the industry, you may not know everything. Today, the article compiled by the editor provides a simple analysis of how to judge the quality of flame-retardant and fire-resistant wires and cables, hoping to help you better understand.
The general requirements for judging the quality of flame-retardant and fire-resistant wires and cables are:
   1. Color recognition
   1) Color requirements: The color of the logo should be able to confirm that it meets or is close to one of the colors specified in GB6995.2-86 "Identification Markings for Wire and Cable Part 2: Standard Colors".
   2) Clarity: The color of the logo should be easily recognizable or easily recognizable.
   3) Wear resistance: The logo should be scratch resistant, and the color after wiping should remain basically unchanged.
   2. Number recognition
   1) Color requirements: The carrier should be of the same color, and all colors used to identify numbers should have the same color. The color of the carrier should be different from the color of the logo, and it should be able to confirm that it meets or is close to one of the colors specified in GB6995.2-86.
   2) Clarity: The digital logo should be clear and the handwriting should be clear.
   3) Rubbing resistance: The digital logo should be resistant to rubbing, and the logo should remain unchanged after wiping.
   3. Imprint mark
   1) Form: The embossed logo should be in the form of embossing or gravure printing, directly imprinted on the carrier.
   2) Clarity: The handwriting of the embossed logo should be clear or easily recognizable.
   4. Marking line or marking tape
   1) Sign wire: A sign wire used to identify the origin of wires and cables, which should be registered in accordance with relevant regulations. Its color can be a single color or a combination color.
   2) Logo tape: Logo tape is a type of tape that is marked with words, letters, symbols, etc. to indicate the manufacturer, product voltage level, model, specifications, trademark, etc. of the wire and cable.
   3) Clarity: The color on the entire logo line should be consistent, and the boundary between the two colors in the combination color should be clear. The color of the marking line and the markings on the marking tape should be clear and distinguishable.
   4) Fastness: When cleaning with gasoline or other suitable solvents, the color of the logo should remain unchanged.