This Slitting and Sheeting Machine is applied to sheet cut of the color printed laminated film, paper and board reel materials. It has the features of synchronous (or actuating motor) controlling fixed length cut, photocell EPC (web guide), rolling material, pneumatic lifting system, operating platform automatic up and down, automatic paper delivery system. It is simple to operate, easy to maintain, consistent reliable and ease of use are enhanced by servo drive system and user-friendly operator controls. It has excellent cut quality and with very attractive price, is good choice for in house paper converting for printing and packaging company.
PET is classified into fiber grade polyester chips and non-fibrous polyester chips. 1 Fiber grade polyester is used in the manufacture of polyester staple fiber and polyester filament yarn. It is a raw material for processing fiber and related products of polyester fiber enterprises. Polyester is the largest variety of chemical fiber. 2 Non-fibrous polyesters are also used in bottles, films, etc., and are widely used in the packaging industry, electronic appliances, medical and health, construction, automotive and other fields. Among them, packaging is the largest non-fiber application market for polyester, and it is also the most PET growth. Fast field.
PET is a milky white or light yellow, highly crystalline polymer with a smooth, shiny surface. Excellent physical and mechanical properties in a wide temperature range, long-term use temperature up to 120 ° C, excellent electrical insulation, even at high temperature and high frequency, its electrical performance is still good, but poor corona resistance, anti-corrosion Creep resistance, fatigue resistance, abrasion resistance, and dimensional stability are all good. PET has an ester bond, which is decomposed under the action of strong acid, strong alkali and water vapor, and is resistant to organic solvents and weather resistance. Disadvantages are slow crystallization rate, difficult molding process, high molding temperature, long production cycle and poor impact performance. Generally, the processability and physical properties are improved by means of reinforcement, filling, blending, etc., and the glass fiber reinforcing effect is obvious, and the rigidity, heat resistance, chemical resistance, electrical properties and weather resistance of the resin are improved. However, there is still a need to improve the crystallization rate, and a nucleating agent and a crystallization accelerator may be added. Adding flame retardant and anti-flammable dripping agent can improve PET flame retardancy and self-extinguishing.