Abrasive screen—A600#

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Product Description:

Abrasive sanding mesh screen is made of nylon fabric, coated with

abrasive materials; there are three kinds of shape: Sheets, Discs and


It is not only suitable for sanding plaster and wall surface, but also for

sanding rusty spots of metal materials and making grinding and

polishing  treatment.  It  has  good

properties of grinding, cutting and filings

removing. And it is the most ideal

abrasive tool for interior decoration.

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Q:Does computer radiation-proof membrane really play a role?
Computer monitor radiation-proof stick membranes are very good. Compound media are added in PET raw materials during production, membrane surfaces are plated with radiation-proof coatings (nano metal elements are contained which perform as conductors). It play a certain role in filtering and reflecting wave. Since the radiation of computers and televisions is mostly from electromagnetic waves of LCD screens. These waves have a certain wavelengths and amplitudes. The radiation layer is based on wave property and interference, electromagnetic waves with different wavelength caused by stick membranes interfere with each other which can offset part of radiation, thus stick membranes are radiation-proof and can reduce radiation. .
Q:What is the carbon resister
The carbon resister is made by heating polymerization, which uses an organic adhesive to make a suspension liquid by the carbon ink, graphite and the filling material and then be coated on the insulating substrate. Gaseous hydrocarbons are decomposed in high temperature and vacuum, the carbon is deposited on a ceramic rod or a ceramic tube to form a layer of crystalline carbon film
Q:What are the differences of seepage-proof geomembrane and polypropylene fiber impervious geotextile?
The seepage-proof geomembrane is made of high density polyethylene by flat extrusion or blow molding. The white seepage-proof geomembrane is heated and covered with polypropylene fiber geotextile top and bottom which finally becomes polypropylene fiber impervious geotextile. It has a good extensibility and environmental resistance as well as better anti-seepage effect. The seepage-proof geomembrane is usually black or white HDPE.
Q:Principle of energy saving insulation film?
Energy-saving insulation film maintains a constant indoor temperature by preventing the indoor and outdoor thermal convection. in summer when the outdoor temperature is higher than the indoor, energy-saving insulation film keeps the heat outside, keeping cooling inside; in winter, when outdoor temperature is lower than indoor temperature, saving insulation film prevent cold outdoor from entering indoor, and retain heat generated inside. the indoor temperature is not affected by the outdoor temperature.
Q:In what industry can seepage-proof geomembranes be applied?
HDPE membranes are applicable to aquaculture industry; 6:washing ponds, power plant regulating reservoirs. Polyethylene seepage-proof membranes are applicable to gardens. Intensification: such as the seepage-proof control of rivers and lakes, reservoirs and dams; HDPE geomembranes are applicable to environmental protection, such as waterproof and dampproof management of revetments, afforesting lawns,etc. 9. the seepage-proof control of heap leachings and bottom lining of tailings, impounding reservoirs, chemical plants, seepage proofing for irrigation systems, impounding ponds, and the seepage control and reinforcement of ditches. Polyethylene geomembranes with high density are applicable to petrochemical industry and vertical core walls. HDPE seepage-proof membranes are applicable to municipal engineerings, sanitation, reservoirs, the bottom of golf course ponds, drinking water ponds. LDPE seepage-proof membranes are applicable to agricultural industry, the seepage-proof control of roof gardens and culverts, settling ponds and revetments, subways, dissolving tanks, saltern crystallizing ponds. 2. leaking stoppage: road reinforcement, such as refuse landfills, sea cucumber revetments, etc. 7;4. halogen pool caps, ashery. 5. refinery, sewage disposal plants, fishponds twice linings, building underground constructions, and lining of sedimentation tanks; 3.chemical reaction pools: artificial lakes, hospital solid wastes, the seepage-proof control of oil tanks. high density polyethylene impermeable membranes are applicable to salt industry, lining of shrimp ponds. LDPE seepage-proof membranes are applicable to water conservancy industry. Seepage-proof membranes application fields1, factory-like culture ponds, sewage conduits; 8. storage yards, salt membranes. Polyethylene geomembranes are applicable to mining industry, planted roofs. Low density polyethylene membranes are applicable to transportation facilities, and plastic straw mat membrane in saltern;10
Q:Which is better, oil heater or electrothermal film
Electric heater is also called electric heater with oil charge. The electric heater is filled with a new type of heat conducting oil, when the power supply is switched on, the heat conducting oil around the electric heating tube is heated, and then the heat is distributed along the heat pipe or the scattered piece. electrothermal film electric heater uses all transparent high temperature electrothermal film as the heating material, it is the advanced level in the process in the world.
Q:Is electrothermal film heater waterproof?
All the electrical stuff are dangerous, they should be avoided contacting with water. There is a waterproof heater in the market. It uses advanced PTC ceramic heating element which has advantages of low power consumption, light weight, and the body of it is not hot. It has a good waterproof performance. Even in the bathroom, it will not do harm to the human body, and is suitable for bathrooms and living rooms.
Q:What are the technical parameters of seepage-proof geomembranes?
serial number item indicator common environmental protection 1 thickness mm 0.2 to 4 2 width m 2.5 to 8 3 tensile strength (vertically and horizontally) MPa≥17 ≥25 4 breaking elongation rate (vertically and horizontally) % ≥450 ≥550 5 angle tear strength N/mm ≥80 ≥110 6 carbon black content % 2.0 to 3.0 2.0 to 3.0 7 resistance to environment stress cracking F20   ≥1500 8 low-temperature impact in -70℃ approved 9 oxidative inductive time in 200℃   ≥20
Q:What are the techniques of foam concrete?
With unique foam excitation technique, coal ash and other waste materials are mixed together in a scientific proportion, then they will become gold bricks—high-performance building blocks which can float on water with many advantages of lightweight, environmental protection, energy-saving and thermal insulation after going through many techniques of compulsory stirring, activation, foaming, output, casting molding. Special foaming agent is composed of several chemical raw materials in a certain proportion that are easy to buy. It will become light after foaming which is much more effective than that of most foaming agents sold in the market, but the price of it is 50% lower than that of most foaming agents sold in the market. High efficient curing agent is composed of several chemical raw materials in a certain proportion that are easy to buy, which greatly reduces cement quantity and cost. It has advantages of high strength and light weight, and enables non-autoclaved blocks (bricks) to reach and exceed the required strength of steam-cured blocks; MS innovative forming non-autoclaved blocks new molding technology, moulds can arbitrarily change the size of blocks in order to adapt to fit around the block sizes that walls need, which reduce the cost of moulds, and are convenient.
Q:What is the geomembrane

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