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frp ladder/ladder manufacturer/ safety ladder
During the pultrusion process, the raw materials are pulled through a heated steel forming die using a continuous pulling device. When the reinforcements are saturated with the resin mixture in the resin bath and the wetted reinforcement package is wrapped in a surfacing veil. The completed package then goes into a performer that roughly forms the package into the appropriate shape to enter the heated die for curing. The die is the exact shape of the final part desired. Upon exiting the die, the part is over 90% cured and solid. The length of the part required is pulled through the cutoff saw and the process is complete.
Excellent Properties
1. Corrosion and chemical resistant
Corrosion is a major problem for metal or wooden grating, stair treads and other products in many different industries such as chemical plants, food and beverage factories, water and wastewater facilities, power facilities. According to different environmental requirements, such resins as orthophthalic polyester, is ophthalmic polyester, vinylester or phenolic are chosen as matrix material.
2. High strength-to-weight ratio
As a composite of continuous fiberglass strands and high quality resin is integrally constructed for strength, but it is less than onehalf the weight of steel grating allowing easy removal for access below floor level and installation with no heavy equipment and less manpower.
3. Fire retardant
we have flame spread rating of 25 or less depending on different resin systems as tested in term of ASTM E84. Test Report can be offered upon request. Special fire retardant requirements can also be met by adding extra additives.
4. Slip-resistant
molded grating has a concave top surface for slip resistance after it is extracted from the mold. Should a grit surface be specified, the grit would be either bonded to the top of the completed grating as a secondary operation or embedded to the top of grating before heating, both providing superior slip resistance. Diamond cover top or gritted cover top are also available upon request.
Applications
Fiberglass beams are used widely:
1. Electrical electronics markets: cable tray, random, insulation ladder;
2. Chemical anticorrosion markets: grating floor, handrail, working platform, under grand pressure pipe, stairs, etc.;
3. Building construction markets: oversize bridge protection closed system, movable house structure, working platform, window frame, window sash and its components, etc.;
4. foundation engineering markets: freeway antiglare shield and its handrail, lamp post, water treatment, bracket for huge industry c
Company was founded in 1993, its predecessor is a joint venture company, through optimization and enterprise restructuring become Qingyun Maoshengyuan Composite Material Co. We have over 20 year' experience of producing frp farm equipment. We own well equipped testing equipment and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in farms and others. Our company has been grown into one of the best manufacturers in the production of FRP pultrusion structural sections. Beyond domestic market.
1.We offer FRP standard and nonconventional profiles manufactured from various class of matrix resin like ethylene type, high inflaming retarding ethylene type,ISO resin type,NoPoison resin type,ORP resin type and fiberglass,and of fiberglass like E glass Roving Mglass Roving,which result in the profiles are applied in different performance required,offering a unique combination of chemical resistance, size stability, high strength, and thermal/electric non-conductivity.
2.Owing to the good insulation and thermal insulation features, FRP profiles are used in electric material and refrigerators and freezing tanks material.Also applied incons structural engineering projects are the mainly application fields of our FRP profiles.
3.Each shape is available in a range of specifications to suit various designs and applications.For special uses, customized shapes and colors are also available.
4.Packing: Pallet or carton, simple isolation.
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