Direct Roving for Pultrusion

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Direct Roving  for Pultrusion

Direct Roving for Pultrusion is compatible with  unsaturated polyester, vinyl ester, epoxy and phenolic resins, and is widely  used in building & construction, telecommunication and insulator  industry.

Product No.

Nominal Linear Density, tex

Product Featurea

Resin Compatibility




Compatible with matrix resin; High tensile  strength of the end composite product

Vinyl ester ,

Used to manufacture optic cable



Compatible with matrix resin; Fast wet out;  Eexcellent mechanical properties of the composite product

Unsaturated polyester, vinyl ester , epoxy

Used to manufacture various sectional bars



Compatible with resins; Excellent mechanical  properties of the composite product

Unsaturated polyester, vinyl ester and epoxy  resins

Used to manufacture various sectional bars



Soft yarn; Low fuzz; Compatible with resins

Epoxy resin, Polyester

Suitable in manufacture of molded grating



Excellent tensile, flexural and shear  properties for composites products

Unsaturated polyester, vinyl ester  polyurathane and epoxy resins.

High performance pultruded profiles


2400, 4800, 9600

High fiber strength, Good integrity and  ribbonization,Compatibility with epoxy resin, Complete and fast wet-out in  resins, Good mechanical properties, Excellent electrical properties of the  finished

Epoxy resin

insulation rods and insulation stanchions

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Q:What the solution and requirements of the inner wall of the chimney preservation?
Q:How to make glass fiber pipe
If you cover something else on this material, then what we will discuss is round belt machine. In general, there is plastics on the surface of wax pipe. Bare wire are covered by some plastics cortex by machine, then it comes into being electric wire. Proprietary this type of unit, the cotton is the lace up,
Q:Does glass wool belongs to glass fiber cloth?
No, glass wool belongs to the one category of glass fiber and it is a kind of artificial inorganic fiber. Glass fiber cloth is twistless roving plain fabric made by glass fiber cloth.
Q:What can fiber concrete do?
The composite can continue withstand high load and large deformation, especially in its large toughness until fiber is selected from base material. Compared with ordinary concrete, it can be used to limit the expansion of cracks in the concrete base under the action of external forces. The tensile ultimate strength can be increased by 30 ~ 50%. The fiber reinforced concrete mainly uses short fiber which has a certain length to diameter ratio (i.e., the ratio of the length to the diameter of the fiber). In the design and use of fiber concrete, please refer to the current "technical specification for fiber reinforced concrete structure" if the volume content of the fiber is greater than a critical value, when the ingredients are suitable and suitable for high efficiency water reducing agent. The main function of fiber in fiber concrete. The fiber is the acceptance of the main external force. The fiber products (such as glass fiber mesh cloth, fiber reinforced concrete has high tensile strength and ultimate bending strength., cement-based material and fiber to bear when the external base material occurred after cracking, initial bending). But sometimes we often use long fiber (such as glass fiber roving.
Q:Nominal interpretation of fiber reinforced concrete
Mix composite materials with random and uniform distribution of short fiber in cement concrete, including steel fiber reinforced concrete. Technical specification for fiber reinforced concrete structures CECS.
Q:How to control the indicators and reduce product defects when producing glass fiber reinforced plastic products.
Resins require low viscosity and are easy to operate manually. (2) pay attention to the overlap of the layer of raw materials, resin and unsaturated polyester. Enhance the materials by resin impregnation with roller or brusher, and then the corrosion resistance mandrel is made in the production made by the composite material. (3) advantages 1) As the advantages of straight fiber with reasonable line laying, as the inner lining, it could prevent wrinkles, so mould cost is high. Although the composite products are usually single shell. Twistless roving is used to priduce tube tank. (4) Disadvantages (1) It belongs to the labour intensive production. The filament winding angle and fiber arrangement density are designed according to the secondary active liquid thermosetting(subject to gel condensation) and two layers of fiber reinforced materials (reinforcing material surface mat.) The roving arranged in the creel, composite material and uniform direction; 2) the glass content can not be too high; 4) resin and reinforced material can be combined freely, mold depreciation is low, carbon fiber, phenolic resin, unsaturated polyester; 5) can be used to strengthen reinforced local enhancement.
Q:How to deal with the folding force of glass fiber plastic coated yarn.
The glass fiber itself has no fracture resistance, which can be improved by coating impregnating compound with tensile strength of the yarn can also be improved. In summer, the weather features with high temperature and humidity, which should be controlled at 28 degrees of temperature and 75 of the humidity so that the damage to yarn is relatively small. You may consider to improve the toughness of the coating material.
Q:What equipment is needed for teating glass fiber twistless roving?
A universal tester and a muffle furnace is needed. glass culture dish is needed. One over ten-thousand balance Yarn metroscope. 2,One over ten thousand balance, blast stove, water content detection, oil (impregnating compound content).
Q:Epoxy resin mortar mix ratio
200 to 300 of mortar and 100 of epoxy resin will be fine. It should be added according to concentration. Construction convenient and high quality can be reported as the premise.
Q:What are the characteristics of grc material?

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