Tensan Potting Glue: The Flame Retardant Pioneer under UL94 Standard
Time:2024-12-25
Views:48
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Introduction to the UL 94 Standard
The UL 94 is a standard established by Underwriters Laboratories for evaluating the flame retardancy of materials. It mainly determines the fire rating of materials through vertical burn tests and horizontal burn tests. This standard is widely used in numerous industries such as electronics, electrical appliances, and plastics to measure the safety of materials in case of fire. -
Details of the UL 94 V - 0 Rating Performance of Tensan Potting Glue
- Limit on burning time:
During the vertical burn test, the Tensan potting glue is tested according to the UL 94 standard. After the sample is ignited twice for 10 seconds each with a standard flame, the flame will extinguish within 30 seconds on its own. This short duration of the flame indicates that the potting glue has a strong ability to prevent the flame from continuing to burn. In comparison, for materials with the slightly lower V - 1 rating, the flame is allowed to extinguish within 60 seconds, and the 30 - second extinguishing time of the Tensan potting glue demonstrates its more excellent flame retardant performance. - Dripping of burning materials:
During the burning process, the Tensan potting glue has no dripping of burning materials. This is a crucial characteristic because the dripping of burning materials may cause the flame to spread to other components or areas, thus triggering a larger fire. For example, in electronic equipment, if the potting glue drips burning materials during combustion, these dripping materials may fall onto other sensitive components on the circuit board and cause secondary combustion, damaging the entire equipment. The Tensan potting glue avoids such a situation and can effectively confine the flame within the potting area. - Ability to prevent flame spread:
Due to its excellent performance with the V - 0 rating, the Tensan potting glue can effectively prevent the spread of the flame. In practical application scenarios, for example, in a cabinet full of electronic components, if a component encapsulated with Tensan potting glue has a fire hazard, the potting glue can act as a barrier to prevent the flame from spreading rapidly to adjacent components, buying precious time for fire extinguishing measures to be taken or for the automatic fire extinguishing system of the equipment to start up, thereby greatly reducing the risk of the entire system being devastated by fire.
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