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EN 16034 is a set of European standards which specify the technical performance characteristics for fire resistant and smoke control products, such as fire doors. Compliance with this standard requires to fulfill the requirements of the Construction Product Regulation [1] for construction products (short CPR).
A more recent industrial standard is the European EN 13501-1 - Fire classification of construction products and building elements—which roughly replaces A2 with A2/B, B1 with C, B2 with D/E and B3 with F. B3 or F rated materials may not be used in building unless combined with another material that reduces the flammability of those materials.
Part 2: Step by step calculations for train sets or single vehicles; EN 14535: Railway applications — Brake discs for railway rolling stock Part 1: Brake discs pressed or shrunk onto the axle or drive shaft, dimensions and quality requirements; Part 2: Brake discs mounted onto the wheel, dimensions and quality requirements
Printed circuit board with the mark "94V-0" in the bottom-left corner. UL 94, the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing, is a plastics flammability standard released by Underwriters Laboratories of the United States. [1]
This is the rating required to protect microfilm, microfiche, and other film-based information storage media. Above 150 °F (65.5 °C) film is distorted by the heat and information is lost. A Class 150-2 Hour vault must keep the temperature below 150 °F. for at least two hours, with temperatures up to 2,000 °F. (1,093.3 °C) outside the vault.
St. Patrick’s Day desserts are a fun way to celebrate the holiday, and these 22 ideas will bring some extra cheer to your festivities. They’re simple to make and perfect for adding a festive ...
Citadel CEO Ken Griffin on Tuesday called aggressive trade talk from the new Trump administration" 'huge mistake," producing chaos that in Griffin's view poses an "impediment" to economic growth.
In an episode of the Opening Bid podcast, BlackRock's chief investment and portfolio strategist for the Americas, Gargi Chaudhuri, outlined her predictions for the stock market in 2025.