Reduce the pollution of children's rooms after your renovation

Decoration is the main factor causing indoor environmental pollution. Decoration pollution will have adverse effects on the health of occupants, especially for growing children. According to the Secretary-General of the North Assembly Association Environmental Protection Committee Zhang Sijia, in the renovation to avoid indoor pollution of children's rooms is extremely important, should pay attention to the following aspects: First, the decoration design should use indoor air quality pre-evaluation method, predict the decoration After the concentration of harmful substances released in the indoor environment, and reserve a certain amount of release floating space. Because even if the indoor environment after the renovation is up to standard, but after the furniture is placed, the furniture will also release a certain amount of indoor environmental pollutants. Second, the use of hazardous materials to meet the standard decoration materials. Third, the use of environmentally friendly materials in the construction of auxiliary materials, especially waterproof coatings, adhesives, paint solvents (thinner), putty powder and so on. Fourth, promote simple decoration and minimize the use of materials and construction. Fifth, it is best not to put wallpaper in the room, which can reduce the source of pollution. Sixth, do not use natural stone in children's rooms, such as marble and granite, which are the main causes of indoor radon pollution. Seventh, the children's room paint and paint the best choice of water-based, the price may be higher; color do not choose too bright, the more vivid paint and paint heavy metal content is relatively high, these heavy metal substances and children easy to contact Lead and mercury poisoning. Eighth, sign an environmental protection decoration contract with the decoration company. The contract requires the construction party to provide an indoor environment inspection report stamped with the CMA chapter when it is completed. Ninth, the purchase of furniture, especially children's room furniture, the best choice for solid wood furniture, furniture paint is best water-based, when buying depends on whether there is an environmental testing report. Tenth, children's rooms are not covered with plastic flooring. Some foam plastic products (similar to slippers materials) on the market, such as floor puzzles, will release a large amount of volatile organic substances, which may affect children's health.

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The definition and classification of engineering plastics is a specific name.Engineering plastics broadly refers to plastic which has high performance and may replace metal materials.The narrow sense refers to the strength and heat resistance of plastic (PE, PP, PVC, ABS, etc.), which can be used as a structural material for industrial use and has the functional structure of high performance plastic

Plastic can be divided into two main categories: thermoplastic (after heating and melting) and thermosetting (after heating and turning into a three-dimensional structure).Engineering plastics can also be divided into special engineering plastics and standardengineering plastics.

The so-called  engineering plastics plastics often refer to thermoplastic polyamide (PA plastics).Polyoxymethylene (POM plastics), polycarbonate (PC plastics) and so on , and special engineering plastics often refers to other than the above five kinds of more excellent performance engineering plastics.According to the using temperature points, generally use temperature at 150 ℃.The following is a standard engineering plastics (generally is 100 ℃--150 ℃), more than 150 ℃ for special engineering plastics, special engineering plastics is divided into 150 --250 ℃ class (including the standardengineering plastic compounds) and above 250 ℃.The higher the temperature, the higher the price.

 

Characteristics of engineering plastics(compared with metal materials):

1.Advantages:

(a) small proportion: 1.0 -- 2.0, about one sixth of iron, reducing the weight effect;

(b) good processing and high production efficiency;

(c) water resistance and chemical corrosion;

(d) the friction coefficient

(e) can be colored freely;

(f) easy to compound with Glass Fiber and various filler;

(g) excellent electrical insulation;

(h) excellent heat insulation, with thermal conductivity of about 1% of iron and less than two thousandths of copper;

(I) reduce costs, save resources and energy.

2.Disadvantages:

(a) low heat resistance and low softening point;

(b) the mechanical strength is low and the tensile strength is generally about one-tenth of the steel;

(c) the dimension stability is poor and the linear expansion coefficient is about five times that of steel;

(d) poor durability. Prolonged exposure to gravity is susceptible to fatigue, and prolonged exposure to ultraviolet radiation is associated with lower performance.

 

3. Application of engineering plastics

(a)One is the functional components of strength, drug resistance, abrasion resistance and other requirements.The other is mechanical parts with shrinkage, dimension accuracy and appearance.Generally speaking: the former is crystalline engineering plastics, the latter is non-crystalline engineering plastics.The practical application often requires the performance of both.Engineering plastics with glass fiber (GF) or carbon fiber (CF) are more suitable for such requirements.

(b). More than half of the applications in engineering plastics are automotive and electronic, while the main use of standard plastics is extrusion molding (51%) and non-industrial products (21%).

 

4. Production

(a)POM Plastic Sheet/Acetal Plastic Sheet/Delrin Plastic Sheet/Polyoxyemethylene Plastic Sheet

(b).POM Plastic Rod/ Acetal Plastic Rod /Delrin Plastic Rod/Polyoxyemethylene Plastic Rod

(c)1.antistatic POM Plastic Sheet /antistatic Acetal Plastic Sheet/antistatic Delrin Plastic Sheet/antistatic Polyoxyemethylene Plastic Sheet

(d).antistatic POM Plastic Rod/antistatic Acetal Plastic Rod/antistatic Delrin Plastic Rod/antistatic Polyoxyemethylene Plastic Rod

(e)Conductive POM Plastic Sheet/Conductive Acetal Plastic Sheet/Conductive Delrin Plastic Sheet/Conductive Polyoxyemethylene Plastic Sheet

(f)Conductive POM Plastic Rod/Conductive Acetal Plastic Rod/Conductive Delrin Plastic Rod/Conductive Polyoxyemethylene Plastic Rod

(g)POM+PTFE Plastic Sheet /POM+teflon Plastic Sheet/Acetal +PTFE  Plastic Sheet/Acetal+Teflon Plastic Sheet/Delrin +PTFE Plastic Sheet/Delrin+ Teflon Plastic Sheet

(h)POM+PTFE Plastic Rod/POM+teflon Plastic Rod/Acetal +PTFE  Plastic Rod/Delrin +PTFE Plastic Rod/Delrin+ Teflon Plastic Rod

(j) PA Plastic Sheet / Nylon Plastic Sheet /ESD PA Plastic Sheet/ESD Nylon Plastic Sheet/CON PA Plastic Sheet/CON Nylon Plastic Sheet/PA+GF Plastic Sheet/Nylon+Glass Fiber Plastic Sheet/Fireproof PA Plastic Sheet/Fireproof Nylon Plastic Sheet

(k) Pa Plastic Rod /Nylon Plastic /Rod/ESD PA Plastic Rod/ESD Nylon Plastic Rod/CON PA Plastic /Rod/CON Nylon Plastic Rod/PA+GF Plastic Rod/Nylon+Glass Fiber Plastic Rod/Fireproof PA Plastic Rod/Fireproof Nylon Plastic Rod

(l) PC Plastic Sheet / Esd PC Plastic Sheet /PC+GF Plastic Sheet/PC+Glass Fiber Plastic Sheet/Fireproof PC Plastic Sheet/PC+ Abs Plastic Sheet

(M) PC Plastic Rod

(N) PET Plastic Sheet //Unilate Plastic Sheet/ESD PETPlastic Sheet/ /ESD Unilate Plastic Sheet

(O)UPE Plastic Sheet/UHMW-PE Plastic Sheet/ESD UPE Plastic Sheet/ESD Uhmw- Pe Plastic Sheet /Con UPE Plastic Sheet/CON Uhmw- PE Plastic Sheet

(P) ABS Plastic Sheet / Esd ABS Plastic Sheet /.Fireproof ABS Plastic Sheet/ABS+PC Plastic Sheet

Engineering Plastics (80-160℃)

Engineering Plastic,Engineering Plastic Plate,Engineering Plastic Material

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