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What is silica gel foam board on earth, and what are the types of silica gel foam board?Foam is a dust-proof, waterproof, shockproof and sealing material made of different materials and widely used in mobile phones, LCD backlights, displays, laptops, automobiles and other fields.A lot of bubbles will form on the foam surface, and there is air in the bubbles to buffer.Foam according to hole
PU product material is a new kind of decorative material in this society. Its main feature is that it is very light, and it is also fireproof, waterproof, moth proof, mildew proof and crack proof.In terms of construction, it is easy for the staff to operate, suitable for various indoor and outdoor decorative materials, and is a new type of green decorative materials!Main products
For all kinds of articles in life, our feelings about them are intuitive, such as the concepts of hardness, elasticity, toughness, brittleness, etc. This information obtained through intuitive feeling and perception is generally called qualitative judgment.Qualitative judgment is usually vague, imprecise and not conducive to comparison.Just as we know that iron is hard and steel is hard, which one is harder, except for the two
(1) The incoming end must be aligned with the jacket notch;(2) The collision force between the fender and the jacket must be less than the bearing limit of the jacket and the fender itself;(3) There shall be no collision between the installation leg of the topside and the jacket leg during ship entry;(4) The longitudinal and transverse motions and yaw angles of the installation vessel must be controlled within a certain range.When the boat entry operation is completed
With the exploration and development of offshore oil fields, the offshore oil industry has developed rapidly. The offshore operation platform is developing in the direction of large-scale and intensive, and the overall weight of the offshore platform topside structure also increases.The rapid development of offshore oil and gas field development has put forward higher requirements for the installation technology and operation capability of offshore super large platforms
