Neg Fiberglass Roving Assembled Roving for CSM
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- Q: The difference between the BMC and DMC DMC？
- DMC is an ordinary premix molding compound with flame resistance and insulation. As continuously promotion, its social demand increases rapidly in United States. BMC has many different names.It mainly uses the polyester molding compound for production. Such great value and vitality of the new materials like BMC will play an increasingly important role in a wide range of areas. DMC is also known as the BMC. Although the development and application of BMC in China started late, it significantly promoted the industrial materials and technological progress. Because of their similar nature and process consistency, bulk molding compound such as DMC has the feature of leakage resistance and rigidity. especially the tensile strength of BMC which is based on unsaturated polyester. BMC refers to modified premix molding compound based on isophthalate polyester resin. With mass production and free coloring, it is irreplaceable for other raw materials. Bulk premix molding compund. In 1989, the development of everthing is inevitable.
- Q: What are the main molding processing methods of plastics
- There are many methods of plastic forming. Six main forming methods are listed below: 1 injection molding and injection molding, extrusion molding. 2. extrusion molding, which is the main molding of thermoplastic plastic molding, 3 hollow blow molding, also known as the 4 compression molding also called compression molding. The upper and lower mold installation the template in the press on, the plastic material directly into the cavity, the mold is closed, full of plastic cavity in the heat and pressure, setting after plastic products. 5, injection molding and transfer molding. One of the main forming method is thermosetting plastics. It is feeding room, plastic pellets into mould in the heating, melting plastic under pressure through the pouring system of bottom mold transfer chamber fills the cavity, and then cure it. 6, solid molding molding plastics in melting temperature, in the molding process No obvious flow condition, for two times molding plastic sheet, such as vacuum molding, compression molding and air pressure molding, original for thin-walled parts molding, first used in the manufacture of thick wall parts. 7, other molding calendering, there are many casting plastic molding methods...
- Q: Knowledges of bamboo fiber.
- The production process of bamboo fiber: bamboo, bamboo pulp, crude fiber - fiber carding - spinning - textile. Characteristics of bamboo fiber fabric is: antibacterial, high strength, healthy, moisture absorpotion, cooling, deodorization, kept warm, soft and comfortable. Especially suitable for infant clothing. It is a good choice.
- Q: Is glass steel a glass?
- Reinforced plastics made from glass fiber or its products are referred to as glass fiber reinforced plastics or glass fiber reinforced plastics. Because of the different kinds of resins used, they are called polyester glass fiber reinforced plastics, epoxy glass fiber reinforced plastics and phenolic resin glass fiber reinforced plastics. Glass fiber reinforced plastics are transparent and opaque.
- Q: The safe operation of glass fiber twisting frame
- The operator is responsible for hook wrap, decollation, changing roving and cleaning. Doffer is responsible for cleaning. Both of them needs skills.
- Q: How to produce glass steel?
- Material： Glass cloth, resin, curing agent tool: Glass?pane or polyester i thin?film process: According to the specifications for glass?reinforced?plastics, glass plane or polyester i thin film should be prepared and then you should tail glass cloth in accordance with requirements. At first, you should compound resin, and then you should put cloth that already have been tailed on the glass pane and cover it with compounded resin until its thickness meets requirements after removing all bubbles in it. After that, you should continue to cover it with polyester i thin film without bubbles and put a piece of glass on it if you want it more neat. A new product is ready after taking off the glass fiber reinforced plastics and trimming it carefully.
- Q: What are the differences between glass fiber and asbestos?
- Various kinds of products are formed finally which is called yarn number (t). The content of chrysotile is the most abundant. The diameter of glass fiber monofilament is from a few microns to twenty micron. 2 or more primary yarns are formed into added twist yarns by folded twist which is widely used. Glass fiber twist or twistless roving are formed into spun yarn with different specifications and usage. There mainly are alkali free. Composite line is formed by two or more fold twist. Glass fiber is a kind of inorganic nonmetal material with excellent performance. It uses glass ball or waste glass as raw materials and is formed by high temperature melting. It mainly is used for producing glass?fiber products. It has no degree of twist and it is spray forming reinforced material and insulation,electric insulation and heat or thermal insulation material which is also called double twist yarn. It mainly is used for hand lay-up glass?reinforced?plastics and is known as detwisting yarn in glass fiber industry. The meaning of metric system number. This yarn is called primary twist yarn which is bundling filaments combined by impregnating compound, namely 24tex. It is mainly used for testing the thickness of the original silk, laminate and winding. The metric system number is recommmended by the international organization for standardization(line destiny). 3 metric system number: The fineness degree of the yarn is expressed by the yarn quality of the unit length, which is equivalent to a hair. The smaller the number is, the thicker the yarn is. Monofilament is equal to 20tex. There are many kinds of asbestos whcih is widely used and usually is called monofilament. The former is a fixed length, the latter is a fixed weight.
- Q: What does fireproof bag used for ?
- The outer layer of fireproof bag is made of glass fiber with special treatment. Its inner layer is filled with special refractory, thermal insulation and expanding material. The fireproof bag is not flammable with fire resistance limit is up to over 4 hours and it can expand and solidify at a high temperature.
- Q: Method for repairing water leakage of toilet without knocking brick.
- 1 Buddha plastic mud: It can replace the glass glue, completely solve the problem of Water Leakage mildew in wall corner and window corner. Metal, glass, cement, stone, tile can completely bonded into a whole. The invisibal waterproof liquid (seam leakage NEMESIS): the international most advanced waterproof materials, colorless and tasteless water and looks exactly the same. A simple rinse two times to solve the tile surface and the joint leakage and the surface color has no effect. The permanent waterproof effect is not removed! Dig into a great magic Water Leakage governance bathroom waterproof material or other room downstairs home! 3 bathroom water leakage solution set is plastic mud invisible waterproof liquid (seam leakage NEMESIS) suit
- Q: waht about Plastic tray?
- Corrosion can not happen. Glass steel bridge use alkali glass fiber roving and its fabric as reinforcement material, welding or screwing connection, with the glass steel life for more than 50 years. Using unsaturated resin as matrix material, plastic colorant, glass steel bridge uses vinyl chloride (UPVC) resin as the main raw material. In fact, the material made for cable tray have something to do with the actual project. Glass steel belongs to high-quality composite materials, plus a proportion of the stabilizer, oil and other corrosive media, then it has antiseptic function and special filler. generally, plastic steel has 15-30years life. It is not very good for acid and salt, and it is not very ideal material for extrusion molding, corrosion protection and so on. Plastic tray has a price advantage, but the strength is not so good . After adding other mineral filler, long life, and then cured by heating, extruding into various sections of the hollow section processing, steel is steel profiles and the main chemical composition is PVC.
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Neg Fiberglass Roving Assembled Roving for CSM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
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