Take you to understand the quality requirements of flame retardant rubber sheet
Release time:
Jan 14,2025
Source:
Flame retardant rubber sheet pressing, and natural rubber rubber than, the first is the shortening rate is large, rough appearance, thickness is difficult to manipulate.
Flame retardant rubber sheet pressing, and natural rubber rubber than, the first is the shortening rate is large, rough appearance, thickness is difficult to manipulate. If you can make appropriate adjustments in the formula, choose the right plasticizer, choose soft carbon black and coarse particles of filler, and choose the right calendering temperature and speed, the same can produce excellent quality film.
Such as general-purpose neoprene rubber, in its plastic state temperature that is 90 ℃ above the pressure film, can obtain excellent quality film, pressure is the rubber through the calender engraved with a certain image of the roller, so that the film has a certain cross-section shape of the skill process. Rubber sheet, rubber flooring production, pressing skills are mainly used in the production of rubber shoe outsole, force car tire tread and other semi-products.
Its quality requirements are mainly clear pattern, standardized scale accuracy, no air bubbles. For this reason, the demand for rubber shortening small, good stiffness. Usually in the rubber formula, more fillers, recycled rubber and physical plasticizers, etc., in order to improve the rubber's stiffness, to avoid speckled collapse. Together with the operation again to strictly control the plasticizing and mixing skills conditions, preheating temperature and back to the share of rubber mixing.
After the pressure type of film is usually chosen to cool sharply, so that the pattern of the instant stereotypes, to avoid the collapse of the deformation of the flat, the film can be used two-roller, three-roller, four-roller calender, the film through the last roller for the pattern of the type of rollers. Pressure calender rollers should be small and the need for simple layout, easy to replace the type of roller operation to meet the needs of the conversion product specifications.
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