Knowledge

Why does steel fire door become the choice of more and more users

Modern people know the unparalleled height of fire prevention, so they pay great attention to the preparation and application of fire prevention equipment in daily decoration and d

Analysis on environmental protection characteristics of steel fire door

Many people do not understand the environmental characteristics of steel fire doors. Today, the fire window company discussed with us the environmental protection characteristics o

What are the differences between steel fire doors and wood fire doors

When it comes to fire doors, we are not unfamiliar, because fire doors are used in many places around us. Fire doors are made of wood and steel. When choosing to buy, many people a

Analysis of factors affecting fire resistance of fire door

Fire door refers to the door that can meet the requirements of fire resistance, stability, routine and thermal insulation within a certain period of time. I

Effect of steel fire door in fire

Now, with the improvement of people's living standards, we all live in high-rise buildings. In these closed buildings, if we are not careful, fire will form a fire. Fire will form

Flame retardant and treatment technology of new wood fire door materials

Inorganic p-n series is the main flame retardant used for wooden fire doors. In order to improve the flame retardant effect and loss resistance, and reduce the moisture absorption

How to maintain the steel fire door

More and more customers use steel fire doors, which is inseparable from the physical properties of steel fire doors.

Steel fire doors attach importance to the description and grasp of the histor...

Metrological history focuses on the use of computers to sort out, count and analyze historical data, but does not pay attention to the description and theoretical grasp of the hist

Formation of steel

The focal length of a single field magnetic lens is very short, which is about equal to the half width of the lens magnetic field, and its spherical aberration can be one order of

Form and operation process of commercial system of steel fire door

However, from the perspective of steel fire door method, these social understandings are often based on the wise man's own daily experience and class prejudice, and set a model for

How to improve the production technology of fire door manufacturers

When the wind load intensity exceeds the design wind resistance of the building, the wind pressure will cause the building to collapse, and the negative pressure will cause the roo

What are the main disaster causing factors studied by fire door manufacturers

Radiation and substances will cause long-term pollution to the environment, cause serious damage to buildings and structures exposed to the ground, and cause fatal casualties, whic