Basic characteristics of laminated materials

(1) The laminated timber is manufactured from the short material of the solid wood into the required size and shape, so that the small material can be used in large quantities and the inferior material can be used.

(2) The material used for the integrated material removes wood defects such as knots and decay before gluing, so that materials with few defects can be produced. When fitting the board, the wood defects can be dispersed even if there are still wood defects.

(3) The laminated material retains the texture of natural wood and has a beautiful appearance.

(4) The raw materials of the laminated materials are fully dried, and even for large-section and long-sized materials, the moisture content of each part is uniform, and the cracking and deformation are small compared with the solid wood.

(5) It is superior to solid wood in terms of physical and mechanical properties such as tensile and compressive strength and material quality uniformity, and can be adjusted according to the strength of the laminate to improve its strength performance. The test shows that the strength performance is 1.5 for solid wood. Times.

(6) The laminated material can be manufactured into a straight shape and a curved shape as needed. According to the requirements of the corresponding strength, it can be manufactured into a cross-section gradual structure along the length direction, or can be manufactured into a cross-section laminated material such as an I-shaped shape and a hollow square.

(7) A laminated material manufactured into a curved shape is an ideal material as a wood structural member.

(8) Before gluing, the board can be pretreated with drugs. Even long and large materials, there are enough chemicals inside to make the material have excellent corrosion resistance, fire resistance and insect resistance.

(9) Due to different uses, it is required that the laminated timber has sufficient bonding performance and durability. For this reason, the processing of the integrated materials requires good technology, equipment and good quality management and product inspection.

(10) Compared with solid wood, the output of integrated materials is low and the cost of products is high.

Guanidine Nitrate For Making Explosive Materials

Guanidine nitrate is mainly used for the synthesis of sulfadiazine and other Pharmaceutical Intermediates. It is used for the mixture of explosives, explosives and rocket propellants. It is also used for the preparation of guanidine carbonate and other guanidine salts, as well as for the paint industry, photographic materials and disinfectants.

Making Explosive Materials

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