Unsaturated Polyester Resin - Sheet Moulded Compound(SMC)

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2000 m.t.
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10000 m.t./month

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Product Description:

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,UPR suitable for FIEBR GLASS products,like FRP PIPES,FRP TANKS...



Specification of FRP Grating

2.General pupose resin

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:What is the difference between thermosetting and thermoplastic?
The first heating can soften the flow, heating to a certain temperature, a chemical reaction, a chain solidified and hardened, this change is irreversible, and then again heating, it can no longer soft flow. It is by virtue of this characteristic of molding, the use of the first heating of the plastic flow, under pressure filled cavity, and then solidified into a shape and size of the product. This material is called thermosetting plastic.Thermosetting resins are linear or branched before curing, forming a chemical bond between the molecular chains after curing, becoming a network of three degrees, not only without melting, but also insoluble in solvents. Bakelite, formaldehyde, melamine, formaldehyde, epoxy, unsaturated polyester, silicone and other plastics are thermosetting plastics.
Q:What is the difference between amber and resin?
The definition of amber: fossilized natural plant resin. The formula can be roughly C10H16O. For amorphous bodies, the interior contains plant debris, small animals and other inclusions and streamline structure.
Q:Is the degree of crosslinking equal to the degree of curing in the process of resin curing?
Swelling equilibrium methodCrosslinked polymer because of its internal network cannot be dissolved in the solvent swelling, but can produce a certain degree of crosslinking degree of swelling in the network depends. The three-dimensional network into polymer cross-linking solvent molecules into, will cause the network to stretch the three-dimensional molecular crosslinked system. Volume expansion of network extension leads to reduced between crosslinking points of polymer chain conformation entropy, so that the crosslinking network generates elastic contraction, the average molecular contraction force depends on the size of the crosslinked polymer two cross-linking point between the polymer chain segment value. When the solvent swelling contraction force and cross-linked segments of phase equilibrium when the system reached equilibrium swelling state. When measured the swelling degree of Q value, you can calculate the average molecular chains of polymer cross-linking points between values. Obviously, the greater the value, that the crosslinking degree of cross-linked polymer is smaller (AC The smaller the joint density is
Q:How can ion exchange resin be activated?
The method is applicable to the activation of anion and cation exchange resin in the treatment of chrome plating wastewater by ion exchange
Q:What can be used to make phenolic resins not so thick?
But there are certain toxic and volatile phenolic resin, in addition to doing very directly to bakelite plate dilution, wear a mask to do protective measures, health first. Hope to be of some help to you.
Q:What is the resin exactly?
Resins are made of natural resins and synthetic resins. Natural resin is an amorphous organic matter from the secretions of plants and animals in nature, such as rosin, shellac, amber, etc.. A synthetic resin is a resin product obtained by the chemical synthesis of a simple organic substance or by the chemical reaction of some natural products.
Q:Can softening resins scale off?
The baking soda in addition to scale with the junction of the scale, when the aluminum kettle boil water, put 1 tsp Baking soda, boil a few minutes apart from the scale.The Boiled Egg descaling boiling water pot, with a long time scale hard except. If you cook two eggs with it, you will get the desired effect.The potatoes descaling or aluminum pot aluminum pot used for a period of time, will bear a thin layer of scale. Put the potatoes in it, add some water, boil it, cook for about 10 minutes, and then remove.The thermal expansion and contraction in addition to scale the empty bottle on the stove Shaogan scale in the water till the bottom of the pot bottom of the pot to burn a crack or a "bang" sound when the pot removed, rapid injection of cold water, or cloth wrapped handle and a spout, holding hands, will dry up the kettle quickly sat in cold water (do not let water into the pot). Repeat 2 times to 3 times, the bottom of the pot scale will be due to thermal expansion and cold fall.
Q:I'd like to use talcum powder as fiberglass resin filler. I don't know what specifications
Glass steel products general filling material 400 mesh and 800 collocation is feasible, it is fine, coarse not too thick (easy to precipitate), a filling requirement is not high enough, more personal experience for your reference.
Q:What is resin? Where did it come from?
In order to extract the resin, it is also necessary to cut a knife in the bark, and gently cut a rotating down the pipe, known as resin road, so that after the flow of resin, along the resin road flow, until the drop to the collection. If the bark is too hard, alcohol may be used, such as methanol and ethanol. The fibers of the bark are softened or dissolved before they are collected. When the resin is dripped, it will react with air, which will harden gradually to form solid. The resin is easy to harden properties, it has been used in latex paint and adhesive.
Q:How long is a resin tile?
The life of the resin tile is actually determined by the quality of the product. For example, the Pu ASA resin tile and the PVC plastic tile are distinguished as follows:1, the Pu ASA resin tile because of the use of ASA weather resistant resin raw material production, increased the product surface of anti ultraviolet, cold frost, acid rain corrosion function, so ASA resin tile life will be extended to 20-50 years;2, PVC plastic steel tile is made of pure PVC production and resistance and processing aids and no surface weather proof resin tile protection, according to the ratio of the intensity and area of different component of acid rain using UV, PVC plastic steel tile is life will be short to 2-5 years.

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