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FAQ
- What is the hardness of PAEK+30%GF plastic material?
- Mohs hardness is mainly used in mineral classification. The Mohs scale from I to 10. the scratch resistance increasing (such as talc Mohs hardness is I, the diamond is 10), namely each scale corresponding to the Mohs material can be scraped traces in the previous stage of material. According to the Mohs hardness can determine the scratch resistance between contact with objects in the use of Engineering plastics.Engineering plastics Mohs hardness is between 2 and 3.
- PVC what chemicals do you need for plastic surface treatment?
- The choice of surface treatment methods, because most of the plastic surface can be low, many processing methods, such as decoration, printing, spraying and so on, can not be directly applied, and the need for surface treatment first
- How do plastic raw materials trade? How big is the market?
- Traditional trading model is to realize the circulation of plastic raw materials with contacts, telephones and fixed customers. The Internet trading mode of transaction is transferred from the line to line, from order flow to terminal distribution capabilities are strong, with IT technology and services to provide information, plastic raw materials trading, a full range of logistics finance.
- What kinds of plastic properties can be divided into thermal properties?
- Residual stress in the process of pressing and forming of pvc. Therefore, when heated, the shrinkage rate is relatively large, the longitudinal direction is about 1% to 6%, and the transverse direction is 1% to 2%, which should be taken into account when cutting down the material.Chemical properties of PVC do not contain active groups on the molecular chain, so they have higher chemical stability.Unplasticized polyvinyl chloride is under 50 degrees; it is capable of corrosion of most acids, bases, salts, in addition to strong oxidizing agents such as fuming sulphuric acid and nitric acid of mass fraction >50%. The concentrated sulfuric acid and nitric acid above 50 DEG C make the polyvinyl chloride first form carboxyl group, and then oxidize and crack to form carbonyl group or aldehyde group, thus being destroyed.
- What is Ms plastic material?
- Copolymerization of styrene and methyl methacrylateMS resin is commonly used transparent plastic raw materials, general injection molding and extrusion molding, transparency of nearly PMMA, for optical components / toys / lampshades, lighting, /OA accessories / food containers / household appliances / building materials, etc.
- What is the difference between ABS plastic raw materials and recycled materials? Or how to distinguish between raw materials and recycled materials?
- Raw material is crude oil refining, renewable materials are garbage recycling, and some will have additives in the regeneration. If it is not cleaned, there may be impurities.
- What type of raw material is used in plastic bags? The brightness is good. It blows out as bright as a mirror! That kind of transparency!
- High density polyethylene (LDPE) transparency, the equivalent number can reach about 90%, but the temperature should be controlled well, there is no general problem, that is, the cost is higher than other products
- What type of raw material for plastic straw?
- The main component of plastics is resin. The term was first resin secrete by animal and plant lipid and its name, such as rosin, shellac, resin is not mixed with various additives and polymer compounds. Resin accounts for about 40% to 100% of the total weight of plastics.
