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Short cut glass fiber felt is suitable for unsaturated resin classification
Writer:admin    Released:2018-07-31 16:24:00    Type:【L】【M】【S
All unsaturated resins are suitable for penetration of glass fiber short cut felt, but not every kind of glass fiber short cut felt can be used for glass fiber short cut felt, the production of different types of glass steel products need different types of resins, so what are the types of unsaturated resins?Now let's interpret it from various aspects!
The type of unsaturated polyester resin trademark base more.From product function, the matrix used as the composite material can be divided into:
A) general purpose resins general purpose resins are primarily o-benzene type unsaturated polyester resins, including partial m-benzene type unsaturated resins, which are mostly used in hand paste glass fiber reinforced plastic products.
B) heat resistant resin pleaded with unsaturated polyester resin used in high temperature, low heat distortion temperature of resin is not applicable, thermal deformation temperature of the heat resistant resin should be no fewer than 110 ° C, in high temperature with high strength retention rate.
C) chemically resistant resins have excellent corrosion resistance and water resistance. The first commercial resins are bisphenol A, vinyl resin, m-benzene unsaturated polyester resin and halogenated polyester resin.
D) flame retardant resin flame retardant resin refers to the use of a flame retardant (self-extinguishing) component in the composition, such as the replacement of benzoic anhydride with tetranebenzoic anhydride and chlorinated anhydride (HET anhydride).
E) weather-resistant resins are made of neopentyl glycol and methacrylate crosslinked single progressive extracts, and ultraviolet absorption agents are added to improve the weatherability and photostability of the resins.The resin has good transparency. The refractive index of the resin cast can be close to or together with the refractive index of glass fiber.
F) high strength resins, which have high strength and toughness, are primarily used for composite materials prepared by fiber winding process.
G) colloidal resin is used on the outer surface of composite materials to improve the appearance (beauty), quality and service life of products.
According to the application of entreaty, adhesive resin is mainly divided into the following categories:
General purpose plywood: resistant to boiling water, conflict, corrosion of cleanser or detergent, with outstanding appearance luster;
Chemical proof rubber jacket: used for the appearance of anti-corrosion products;
Press light stability type rubber suit: with outstanding weather resistance;
Gluing for food containers;
H) such resins as SMC or BMC have the following characteristics: low viscosity;Potassium can thicken quickly;Equation of the equation;Fast curing ability;In the months after the initiation and thickening agent is deposited, the function is stable and rapidly solidifies when trying.
I) other types of resins this is a new type of resin in recent years, such as injection, RTM, pultrusion, etc.

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