general purpose unsaturated polyester resin for pultrusion

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2000 m.t.
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100000 m.t./month

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Product description of unsaturated polyester resins


Unsaturated Resin is suitable for production of crystal lamp, candle holder, crystal crafts, crystal gifts, crystal trophy,crystal vase, crystal model building mode, crystal perfume bottles, crystal ashtray, crystal vase, hotel supplies, crystal stationery cards Taiwan, crystal ball, crystal key button, crystal animal, flower and so on transparent products.


Specification of FRP Grating

2.General pupose resin
3.Good impregnation to glass fiber and mechanical property

Technical Indexes of Liquid Resin






Transparent Sticky Thick Liquid


Acid Value








Gel Time








Thermal Stabilityility



GB7193 .5-87



Filament Winding Application Unsaturated Polyester Resin


Unsaturated Polyester Resin,General Purpose(191),for filament winding






Performance Indexes of Resin Casting Substance





Barcol hardness  ≥




Tensile strength  ≥




Tensile modulus ≥




Elongation at break≥




Flexural strength ≥




Flexural modulus≥




Impact strength ≥




H.D.T ≥





1. Why Choose us?

CNBM is a stated own company, provide the guarantee for the best quality, best service and safety business.

2. How will we guarantee the quality?

a, ISO 9001-2008 quality control system;

b, Strict and regular quality control in production;

c, Inspeciation when loading into container before shippment;

d, Sample stock for one year for quality tracing and record

3. What is your MOQ?

Our MOQ is one pallet.

4. Can you provide sample?

Yes, samples are in stock. we can offer free sample for you. 

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Q:Why is weak resin relatively easy to regenerate?
Disposal of regenerated waste liquidThe sugar factory uses resin decolorization, resin regeneration waste liquid contains a large number of pigments and organic substances, the color is very deep. With the production of refined sugar sugar, every 100 tons of recycled waste sugar is about 6 ~ 9m3. It is also a difficult problem to be discharged (or recycled) after treatment.Bento has studied in detail the treatment of regeneration liquid by chemical methods, which can precipitate pigments and other organic compounds, remove impurities, recycle them, reduce emissions, and take full advantage of sodium chloride. Because the concentration of pigment regeneration in liquid ratio of juice is 10 times higher than the amount of liquid is small, no sugar viscosity, and can allow strong conditions such as strong alkali and high temperature and no need to worry about the decomposition of sugar, chemical processing more convenient. The regeneration liquid is added to the lime milk of 5 ~ 10% volume (the concentration is CaO100g/ L), heated to 60 DEG C and slightly stirred, and a large number of colored precipitates are precipitated. Add sodium carbonate or carbon dioxide, sodium phosphate or phosphoric acid, and maintain alkaline, can make more colored precipitate. The treated liquid, with a small amount of salt, can be returned to the primary recycling liquid for the resin, which is then regenerated with new brine.Treatment of waste liquid of various methods: using granular activated carbon adsorption, sodium hypochlorite, calcium hypochlorite, chlorine or ozone to oxidation, separation of organic compounds from it by ultrafiltration or reverse osmosis, or powdered resin etc.. Recently, Guimaraes and other studies have used microorganisms to degrade their colored products and achieve better results
Q:What is the difference between PVC material and resin?
Resin usually refers to softening or melting range after heating. When softening, it tends to flow under external force. At normal temperature, it is solid, semi solid, and sometimes liquid organic polymer. Broadly speaking, any polymer compound that can be used as plastic material for processing raw materials is called resin. Resin is the main raw materials for the manufacture of plastics, paint is also used the system (the main film-forming material, coating such as alkyd resin, acrylic resin, synthetic fatty acid resin, the resin in the Yangtze River Delta and Pearl River Delta are also relatively strong in the paint industry, such as Changxin chemical, Nuplex resin, three resin, Ying DSM syntech resins), adhesives, insulating material, synthetic resin in industrial production, is widely used in separation and purification of impurities in liquid, with macroporous adsorption resin, ion exchange resin, and some special resin.
Q:What is the difference with ordinary coat resin resin?
Gel coat resin is a special tree made of glass steel products gel coat ester, is a special kind of unsaturated polyester, mainly used for surface of resin products, a thin covering of continuity, its thickness is about 0.4 mm.
Q:Is the plastic thermosetting or thermoplastic?
Thermosetting resin: a resin that is chemically cured when heated. This reaction is irreversible and can not be softened by reheating and carbonization when the temperature is too high
Q:What is the difference between PVC resin and PVC Vinyl?
PVC vinyl is a toy material, a little soft, have very good characteristics, generally used for dolls, generally is hollow, but also have a solid, the cost will be high, the amount of the plasticizer may be different in different processing methods.
Q:How to improve the strength of epoxy resin concrete?
Epoxy resin concrete construction matters needing attention:1, the number of epoxy resin configuration each time, should be based on construction capacity to determine. Generally do not exceed 1~2kg, and as much as possible with the use of who matches, the use of 1 hours.  2. The general curing temperature of epoxy resin concrete should be 20 or 5 DEG C, the curing time is usually 2 days, and the direct sunlight should be avoided during construction in summer.  3, epoxy materials are mostly volatile, in construction to avoid harmful gases harmful effects on the human body, at the same time pay strict attention to fire prevention.
Q:Which trees can produce resin?
Gum, in short, is actually a kind of secretion of trees. When the trees are injured, the wound secretes a thick gum fluid that promotes healing. Gum gradually dry in the air, will form a solid shape, crisp, transparent or translucent, with water swelling or plastic melting into a viscous colloidal solution, in ethanol or most organic solvents are not dissolved, very difficult to clean up. And almost all trees produce gum, which is inevitable.
Q:I changed my lip piercing after six weeks and now it's swollen?
The best i can think to help with that have lots of time and practice don't give up cause that's not the answer! Good luck hope you get it.
Q:What is the use of self - hardening furan resin? Where should I use it?
The cured furan resin is resistant to strong acids, alkalis and organic solvents and remains stable at high temperatures. Furan resin is mainly used in various chemical resistance and high turbidity resistant materials. For example, a lot of auto parts, plumbing, sanitary ware, tire mold production, the use of furan resin sand molding process, to obtain good economic results.
Q:What's the difference between epoxy and polyester?
Unsaturated polyester is an unsaturated carboxylic acid (anhydride or two yuan) and two yuan (or saturated carboxylic acid anhydride) composed of mixed acid and polyol condensation, the linear polymer with ester bond and unsaturated double bonds. In general, the polyester polycondensation takes place at 190~220 DEG C until the desired acid value (or viscosity) is reached. At the end of the polyester shrinkage reaction, a certain amount of vinyl monomer is added to the heat to form a viscous liquid. This polymer solution is called unsaturated polyester resin.

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