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A Bond~Strands Pvt. Ltd. has been
a pioneer in the manufacture of glass fibre filament
wound products and pipes for more than two decades.
Filament winding is a precision winding method with
which almost any form and dimension can be made from
resin impregnated filaments of glass fibre.(Originated
from the rocket technology and development of the space
programme, this method finds entry in increasing measure
in many fields of engineering and technology). |
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With the help of Filament-Winding -Method
, we get a material which possesses the specific gravity of
magnesium with the strength of steel and corrosion resistance
of plastics at the same time very good electrical and dielectric
properties. |
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| Applications: |
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Pipes for transmission-effluent disposal
• Marine applications-floating boom, dredging pipes
• Defence applications-Missile shells
• Petrochemical,Fertilizer,Pulp & Paper industry
-components such as FRP Shells,Boards etc.
• Transport industry-Tankers for transport of Chemicals,
acids, etc.
• Electrical applications |
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| Features: |
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• Effective substitute for steel pipes
• Manufactured with or without an impermeable core
with laminate orientations from 30 °C to 75 °C
• O.D. Accurately machined wherever necessary
• Light weight , high strength
• Anti-Corrosive properties with proper lining
• Easy to install
• True cost saving
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| Specifications: |
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Ultimate tensile hoop stress 27 kg/mm.sq.
• Ultimate longitudinal tensile stress 8 kg /mm
sq.
• Specific gravity 1.8 to 2
• Heat Distortion temperature 100 °C
• Test Pressure 70 kg./mm.sq |
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| Range: Over
25 mm to 100 mm and to a maximum length of 100 metres. |
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| Products
for Electrical / Special Applications |
A Bond~Strands Pvt.Ltd. are pioneers in
developing glass fibre epoxy filament wound products for
the electrical industry. We have also specialised in replacing
damaged insulating parts like insulators, bushings etc.
For imported as well as indigenous switchgear for various
electricity boards and other private users. This has saved
enormous costs in replacing the old equipment with new equipment. |
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| Applications:
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Vacuum Switchgear
• Tap changer
• Oil Switchgear
• SF6 Switchgears
• Transformers
• Generators
• Drive links,
• support rods
• On-load Tap Changers |
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operating rods
• Drive shafts
• Oil compartments
• Tie rods
• Arc Chambers
• switching lever
• Winding cylinder
• core bolt shrouds
• 11 kv bushings-110 MVA |
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Specifications
of filament wound fibreglass cylinders for electrical applications. |
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Bulk density 1.8 to 2.0 grams/cm cube
• Flexural Strength 25 kg/mm 2 minimum
• Impact Strength 100 kg/cm2 minimum
• Tensile strength 20 kg/mm 2 minimum
• Comprehensive strength 12 kg/mm 2 minimum
• Water Absorption 1.0% maximum
• Voltage withstand across 25 mm of surface 40kv in oil
• Insulation resistance 10-12ohms
• Dielectric constant 5
• Max. Temperature for 4 hour operation 130 degree centigrade.
• co-efficient of linear expansion 15 x10-4 in/in/deg
. Centigrade. |
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| Special
Applications: |
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A Bond~Strands Pvt. Ltd. with its expertise
in FRP technology also develop products to meet customers
specific need. We welcome undertaking development of even
one off jobs. We work in close conjunction with the customer
and are prepared to design, develop and supply equipment to
meet customers specific requirement and specification or drawings.
This is particularly useful in the area of import substitution
where we develop products for a fraction of the imported cost. |
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| Some
of the special application we have developed are : |
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Floating Booms oil containment barriers in sea ports for polluting
control
• Missile cylinders for defence applications.
• Alignment of bearing for coal handling equipment using
epoxy flooring for battery rooms.
• Roof and from end cable in FRB for automobile trucks
and bus body.
• Fibreglass tubes for pneumatic valve actuators.
• Large insulators for isolating vibration over the screen
for electrostatic precipitator.
• Core packets for 400 KV reactors.
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