What are the flame retardant grades of flame-retardant PC boards?
Flame-retardant PC board flame-retardant grade, the flame-retardant PC sheets has the obvious characteristics of preventing the spread of flames after being manufactured, and is the level of this division. The flame retardant grades of plastics are gradually increasing from HB, V-1, V-2 to V-0:
1, V-0: After conducting two 10-second ignition tests on the sample, The flame went out within thirty seconds. No burning objects should fall.
2, V-1: After conducting two 10-second ignition tests on the sample, the flame will be extinguished within 60 seconds. No burning objects should fall.
3, V-2: After conducting two 10-second ignition tests on the sample, the flame will be extinguished within 60 seconds. There can be burning objects falling.
4, HB: The lowest fire rating in the UL94 limit. It is stipulated that for samples with a thickness of 3 to 13mm, the ignition rate shall be lower than 40mm per minute; for samples with a thickness of less than 3mm, the ignition rate shall be lower than 70mm per minute; or be extinguished before the 100mm mark.
Nowadays, the adoption of custom polycarbonate sheet in custom plastic sheets industry is quite common.
You get a wide variety of security, durability and manageability options across custom polycarbonate sheet. Here’s a link of the brand UNQ Plastics.
custom polycarbonate sheet, is an alternative product for custom plastic sheets to investors and consumers who are passionate about our products or services.
Lucky to know that you are not alone in the face of custom plastic sheets issue. Let Hebei Unique Plastics Manufacturer Co., Ltd be your selected custom polycarbonate sheet expert in providing first class to help you out.
custom plastic sheets needs not be tedious anymore with the application of . So getting the right custom polycarbonate sheet can drastically promote custom plastic sheets.