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ABS sheet extrusion molding process control points

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  • 13/04/2019

ABS sheet extrusion molding process control points(1) Feeding. The material should be fed in time to ensure that the hopper is not empty, in order to prevent the air from directly entering the drying cycle system, affecting the dry return air speed. Different raw materials can not be mixed, pay attention to the grade of the material and the type of material. In addition, the unpacking should be carried out outside the hopper to prevent the ropes, debris and the like from being mixed into the hopp…

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Preparation process of ABS sheet

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  • 12/04/2019

Preparation process of ABS sheet(1) The raw material is dried. ABS pellets are extremely hygroscopic and must be used before use.Dry. Drying can use hot air circulation oven or hot air hopper type reclaimed materialDryer. The drying process undergoes three stages of preheating, constant temperature drying and temperature drying. The drying process parameters usually used are: the drying temperature of the new pellet is (85 +/- 5) C, and the recycled material is (90 +/- 5) C; the drying time is …

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Add waste materials to ABS sheet

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  • 11/04/2019

Add waste materials to ABS sheet1. Material selection and performanceABS is an amorphous polymer. Under the action of heat and external force, it enters the viscous flow state from the glass state at room temperature through a high elastic state to form a uniform viscous liquid, and then is cooled and shaped by an extrusion die and a three-roller, and returns from a viscous flow state through a high elastic state. To the glass state. ABS can only be shaped by entering the viscous flow state, and …

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Plate (sheet) material forming process

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  • 10/04/2019

Plate (sheet) material forming processThe plastics of the production board (sheet) are mainly soft polyvinyl chloride, hard polyvinyl chloride, polyethylene.Alkene, polyamide, polymethyl, polycarbonate, cellulose acetate, etc., the first four varieties are more common.Plastic sheets (sheets) are available in single and multi-layer, flat and corrugated sheets, foamed and non-foamed, and the width of single material and composite material is generally 1m-1.5m, up to 4m wide.Plastic sheets (sheets) …

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Characteristics and uses of PTFE - Suspension PTFE

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  • 09/04/2019

Characteristics and uses of PTFEVariety: Suspension PTFEfeature:1. White waxy fine particle material;2. Poor strength;3. Self-lubricating, non-adhesive, stress cracking is good, dynamic and static coefficient is the lowest among plastics;4. Excellent resistance to high and low temperature, can be used for a long time at -250 ~ 260 C, but poor thermal conductivity, cold rheology;5. Non-combustible, almost no water absorption, self-extinguishing, excellent electrical insulation performance, and not…

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Modification du polymère

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  • 08/04/2019

Modification du polymreLa modification du polymre a un sens large et toute mthode pour amliorer les proprits du polymre peut tre appele modification, telle que des mthodes de modification telles que le mlange, le renforcement et le remplissage qui sont actuellement largement utilises dans lindustrie. Grce l’adoption de ces mthodes, les plastiques d’origine sont considrablement dvelopps, les proprits des matriaux sont amliores et le cot du produit est rduit. Au cours des 20 dernires annes, la r…

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