Unsaturated Polyester Resin for Sheet Moulded Compound(SMC)

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2000 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Product description of unsaturated polyester resins


UPR191is a common unsaturated polyester resin with medium viscosity and high reactivity,applicable to the manufacture of common steel glass products, cooling columns, containers of dilute acid etc.

Excellent appliication properties,short application time,good fiber wet,higher fiber content


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





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:What is the coated sand in casting? What's the relationship between it and the resin?
The coated sand is a kind of casting material, can be used to shape, playing sand, divided into the use of cast iron, cast aluminum and copper is different, you can go to the specific reference to see it, too much, I also said not specific
Q:What is the difference between thermosetting and thermoplastic?
In thermoplastic resins, the molecular chains of resins are linear or branched, with no chemical bonds between the chains, and soften the flow when heated. The process of cooling hardens is a physical change.
Q:The difference between resin sheet and glass sheet
Shortcoming:1., easy to scratch: resin lens resistance to scratch than glass lenses, but can be improved by surface hardening, but the effect is limited.2. thickness than the glass lenses: beauty is human nature, thick lenses are very unsightly, depth myopia is more regarded as a dangerous road. Although it has improved greatly recently, it is still much thicker than glass lenses.The 3. frame is easy to produce deformation: This is due to the plastic lenses because of their low density than the glass lenses.4., not high temperature: Although the resin is thermosetting material, but once coated with multilayer film, then the surface of multilayer film may be caused by high temperature cracks.
Q:Resin buttons, wool, plates and bars what is the difference between the price, which is more expensive, what are their respective characteristics?
Because the plate is washed into a cylindrical, like drawing on a white paper round, round between the circle there is a gap, this gap is the charge. This bar no trouble, although he also has what we call the head, but the cost is not expected to be too much
Q:Construction technology of wear-resisting paint ground (epoxy resin) Does anyone know?
First, the ground leveling and dust removal, construction, grass-roots level should be smooth, rough, clear floating dust, old coating, etc., to reach more than C25 intensity, and for water treatment, no water, clean, dense. It shall not be loose soil, loose particle, gypsum board, coating, plastic, vinyl ester, epoxy resin, and adhesive such as adhesive residue, oil pollution, paraffin, curing agent and greasy substance.
Q:What are the basic types of synthetic resin tiles?
According to the performance of the project, the synthetic resin can be divided into thermoplastic resin and thermosetting resin. The difference is mainly from the chemical composition and molecular structure of polymers. Thermoplastic resin molecular chain structure is linear or with branched type, can be plasticized after heating (or softening, melting) and flow, and can be repeatedly plasticized molding. Typical thermoplastic resins are polyethylene, polypropylene, poly 1-, butylene, polyvinyl chloride, polystyrene, etc..
Q:Wax ribbon, resin ribbon and mixed base ribbon what is the difference?
They are 3 basic kinds of ribbon.
Q:Definition and difference of wet real density and wet apparent density of 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 resin synthetic leather?
Resin synthetic leather (synthetic leather) is divided into several categories according to its composition:The first is PVC (polyvinyl chloride), the products of which are combustion, water, carbon dioxide and chlorine compounds, and even chlorine;The second is PE (polyethylene), which, when fully burned, theoretically produces only water and carbon dioxide;Third, and most commonly known, PU leather (polyurethane) whose products are fully burned include water, carbon dioxide, nitrogen, and a small amount of nitrogen containing compounds.
Q:What are the specific properties of building resin materials or building resin boards?
The performance of each building resin material is not the same, such as some resin is rich in color, some resin very resistant to impact, very good at doing some resin molding, some special surface resin material has high fireproof grade, this leads to the need to according to the requirements of building the application of different, choose the right resin solution.

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