https://www.avient.com/knowledge-base/article/advanced-composites-explained?rtype[]=1164
Durability — Composite structures have a very long lifespan, resisting fatigue and withstanding many types of weather conditions.
If you’ve heard terms like “pultruded carbon fiber,” this simply means that a carbon fiber composite has been made through the process of pultrusion.
https://www.avient.com/sites/default/files/2023-10/2023 Hammerhead Application _ Install Guide.pdf
HAMMERHEAD™
MARINE COMPOSITE PANELS
APPLICATION & INSTALLATION GUIDE
PRODUCT
DESCRIPTION
FEATURE BENEFIT
Exceptional strength-to-weight ratio Lightweight yet strong structural
performance and increased payloads
Resistance to UV light, chemicals,
moisture degradation and rot Resistance to harsh marine conditions
Tough and impact resistant Durability and long product life
Dimensionally stable Consistent performance in extreme
temperature and humidity fluctuations
Strong adhesive properties Easy bonding to various materials
FEATURE BENEFIT
Ready-to-install Fewer parts & reduced scrap
Large format Improved aesthetics with
seamless designs
Made via continuous-fiber
manufacturing process Consistent quality in every panel
PERFORMANCE ADVANTAGES
MANUFACTURING ADVANTAGES
Hammerhead™ Marine Composite Panels
are made from continuous glass-fiber
reinforced thermoplastic face sheets
and polyester foam cores.
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult
your sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
https://www.avient.com/sites/default/files/2020-09/stat-tech-tri-fold-processing-guide.pdf
PROBLEM CAUSE SOLUTION
Incomplete Fill Melt and/or mold
temperature too cold
Shot Size
• Increase nozzle and barrel temperatures
• Increase mold temperature
• Increase injection speed
• Increase pack and hold pressure
• Increase nozzle tip diameter
• Check thermocouples and heater bands
• Enlarge or widen vents and increase number of vents
• Check that vents are unplugged
• Check that gates are unplugged
• Enlarge gates and/or runners
• Perform short shots to determine fill pattern and verify
proper vent location
• Increase wall thickness to move gas trap to parting line
• Increase cushion
Brittleness Melt temperature too low
Degraded/Overheated material
Gate location and/or size
• Increase melt temperature
• Increase injection speed
• Measure melt temperature with pyrometer
• Decrease melt temperature
• Decrease back pressure
• Use smaller barrel/excessive residence time
• Relocate gate to nonstress area
• Increase gate size to allow higher flow speed
and lower molded-in stress
Fibers on Surface
(Splay)
Melt temperature too low
Insufficient packing
• Increase melt temperature
• Increase mold temperature
• Increase injection speed
• Increase pack and hold pressure, and time
Sink Marks Part geometry too thick
Melt temperature too hot
Insufficient material volume
• Reduce wall thickness
• Reduce rib thickness
• Decrease nozzle and barrel temperatures
• Increase shot size
• Increase injection rate
• Increase packing pressure
Flash Injection pressure too high
Excess material volume
Melt and/or mold
temperature too hot
• Decrease injection pressure
• Increase clamp pressure
• Decrease injection speed
• Increase transfer position
• Decrease pack pressure
• Decrease shot size
• Decrease injection speed
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
• Decrease screw speed
TROUBLESHOOTING RECOMMENDATIONS
PROBLEM CAUSE SOLUTION
Excessive Shrink Too much orientation • Increase packing time and pressure
• Increase hold pressure
• Decrease melt temperature
• Decrease mold temperature
• Decrease injection speed
• Decrease screw rpm
• Increase venting
• Increase cooling time
Not Enough Shrink Too little orientation • Decrease packing pressure and time
• Decrease hold pressure
• Increase melt temperature
• Increase mold temperature
• Increase injection speed
• Increase screw rpm
• Decrease cooling time
Burning Melt and/or mold
temperature too hot
Mold design
Moisture
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
• Clean, widen and increase number of vents
• Increase gate size or number of gates
• Verify material is dried at proper conditions
Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature
• Decrease back pressure
• Increase screw decompression
• Verify material has been dried at proper conditions
Weld Lines Melt front temperatures
too low
• Increase pack and hold pressure
• Increase melt temperature
• Increase vent width and locations
• Increase injection speed
• Decrease injection speed
• Increase gate size
• Perform short shots to determine fill pattern and verify
proper vent location
• Add vents and/or false ejector pin
• Move gate location
Warp Excessive orientation
• Increase cooling time
• Increase melt temperature
• Decrease injection pressure and injection speed
• Increase number of gates
Sticking in Mold Cavities are overpacked
Part is too hot
• Decrease injection speed and pressure
• Decrease pack and hold pressure
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
• Increase cooling time
• Increase draft angle
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
TROUBLESHOOTING RECOMMENDATIONS
www.avient.com
Copyright © 2020, Avient Corporation.
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your
sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
https://www.avient.com/sites/default/files/2020-12/therma-tech-processing-guide.pdf
Maintain a minimum draft angle of 1° per side.
4 Therma-Tech
Incomplete Fill
Melt and/or mold
too cold
• Increase nozzle and barrel temperatures
• Increase pack and hold pressure
• Increase nozzle tip diameter
• Check thermocouples and heater bands
Mold design
• Enlarge or widen vents and increase number of vents
• Check that vents are unplugged
• Check that gates are unplugged
• Enlarge gates and/or runners
• Perform short shots to determine fill pattern and
verify proper vent location
• Increase wall thickness to move gas trap to
parting line
Shot size
• Increase cushion
• Decrease transfer position
Brittleness
Low melt
temperature
• Measure melt temperature with pyrometer
Degraded/
overheated
material
• Decrease melt temperature
• Decrease back pressure
• Use smaller barrel/excessive residence time
• Decrease screw rpm
Gate location
and/or size
• Relocate gate to nonstress area
• Increase gate size to allow higher flow rate and lower
molded in stress
Fibers on Surface
(Splay)
Melt temperature
too low
• Increase injection speed
• Increase screw rpm
Insufficient packing
• Increase pack and hold pressure, and time
Processing Guide 5
Sink Marks
Part geometry
too thick
• Reduce wall thickness
• Reduce rib thickness
• Maintain nominal wall thickness
Melt too hot • Decrease nozzle and barrel temperatures
Insufficient
material volume
• Increase pack pressure/time
Flash
Injection pressure
too high
• Decrease injection pressure
• Increase clamp pressure
• Increase transfer position
Excess
material volume
• Decrease pack pressure
• Decrease shot size
Melt and/or mold
too hot
• Decrease screw speed
Excessive Shrink Too much
orientation
• Increase packing time and pressure
• Increase hold pressure
• Decrease melt temperature
• Decrease injection speed
• Decrease screw rpm
• Increase venting
Not Enough Shrink Too little
orientation
• Decrease packing pressure and time
• Decrease hold pressure
• Increase injection speed
• Increase screw rpm
• Decrease cooling time
6 Therma-Tech
Burning
Melt and/or mold
too cold
Mold design • Clean, widen and increase number of vents
• Increase gate size or number of gates
Moisture • Verify material is dried at proper conditions
Nozzle Drool Nozzle temperature
too hot
• Decrease nozzle temperature
• Decrease back pressure
• Increase screw decompression
• Verify material has been dried at proper conditions
Weld Lines
Melt front temperatures
are too low
• Increase pack and hold pressure
• Increase vent width and locations
Mold design
• Perform short shots to determine fill pattern
and verify proper vent location
• Add vents and/or false ejector pin
• Move gate location
Warp
Excessive orientation
• Decrease injection pressure and injection rate
Mold design • Increase number of gates
Sticking in Mold
Cavities are
overpacked
• Decrease injection rate and pressure
• Decrease pack and hold pressure
Mold design • Increase draft angle
Part is too hot
1.844.4AVIENT
www.avient.com
Copyright © 2020, Avient Corporation.
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your
sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
https://www.avient.com/sites/default/files/2022-03/Fiber-Line Coating Selection Guide.pdf
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your
sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
Fiber-Line Performance Enhancing Coatings feature:
• 100% water based or non-solvent resin formulations
• Carefully selected, regulatory compliant raw materials and chemicals
• Custom formulations designed to meet specific application requirements
• Formulations designed for compatibility with specific fiber substrates or processing conditions
Contact us today to determine the fiber-based solution that is right for your product.
https://www.avient.com/sites/default/files/2021-07/lactra-low-tio2-product-bulletin_0.pdf
Lactra extends the shelf life of PET packaged
products, such as ultra-high temperature (UHT)
milk, by providing protection from visible-light
induced degradation under commercially relevant
storage conditions.
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your
sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
https://www.avient.com/sites/default/files/2024-09/Complet OnForce LFT Overview _ Brand Brochure.pdf
Complēt™ Moisture Resistant
Long fiber reinforced nylon 6 or 66 thermoplastics
formulated for more consistent performance in
moisture-rich conditions.
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your
sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
https://www.avient.com/sites/default/files/2020-12/artisan-thermoplastics-nylon-processing-guide.pdf
Sink Marks
Melt too hot • Decrease nozzle and barrel temperatures
Insufficient
material volume
• Increase shot size
• Increase packing pressure
Part geometry
too thick
• Reduce wall thickness
• Reduce rib thickness
Processing Guide 5
Flash
Injection pressure
too high
• Decrease injection pressure
• Increase clamp pressure
• Increase transfer position
Excess
material volume
• Adjust transfer position
• Decrease pack pressure
• Decrease shot size
Melt or mold
too hot
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
Loose clamp • Reset mold height
• Increase clamp tonnage
Shrink
Too much shrink • Increase cooling time
Too little shrink • Decrease cooling time
Burning
• Reduce decompression
Mold design • Clean, widen and increase number of vents
• Increase gate size to reduce shear
Wet material • Verify material is dried at proper condition
Nozzle Drool
Nozzle temperature
too hot
• Decrease nozzle temperature
• Decrease back pressure
• Increase screw decompression
• Verify material has been dried at proper conditions
Incorrect nozzle • Use reverse taper tip
Weld Lines
Melt front
temperatures are
too low
• Increase pack and hold pressure
Mold design
• Increase gate size
• Identify end of fill pattern and verify proper
vent location
• Add vents or increase vent width
• Move gate location
6 Artisan Pre-Colored Thermoplastics
Warp
• Increase melt temp
• Reduce injection speed
• Increase pack pressure
• Increase pack time
• Decrease mold temperature
• Increase cool time
Mold design • Non-uniform mold cooling
Part design • Non-uniform wall thickness
Thermolator incorrect
temperature
• Check settings
• Inspect thermocouple
Sticking in Mold
Overfilled cavity
• Decrease injection rate and pressure
• Decrease hold pressure
• Decrease cooling time
Part too hot
• Decrease barrel temperature
• Decrease mold temperature
• Increase cooling time
Mold design • Increase draft angle
• Polish cores in direction of ejection
Black Specks
Contamination • Purge machine
Degradation
• Reduce melt temperature
• Reduce screw speed
• Reduce back pressure
Machine related • Check for wear on screw, barrel or check ring
Delamination
• Increase melt temperature
• Decrease injection speed
• Purge barrel to eliminate material contamination
Mold design • Reduce sharp corners in material flow path
• Increase venting
Processing Guide 7
Discoloration
Oversheared
material
• Decrease melt temperature
• Decrease injection speed
• Reduce residence time
Mold design • Increase gate sizing
Dry material • Check moisture of material to ensure it is within the
recommended moisture percentage for molding
1.844.4AVIENT
www.avient.com
Copyright © 2020, Avient Corporation.
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your
sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
https://www.avient.com/sites/default/files/2020-09/edgetek-processing-guide.pdf
PROBLEM CAUSE SOLUTION
Excessive Shrink Too much orientation • Increase packing time and pressure
• Increase hold pressure
• Decrease melt temperature
• Decrease mold temperature
• Decrease injection speed
• Decrease screw rpm
• Increase venting
• Increase cooling time
Not Enough Shrink Too little orientation • Decrease packing pressure and time
• Decrease hold pressure
• Increase melt temperature
• Increase mold temperature
• Increase injection speed
• Increase screw rpm
• Decrease cooling time
Burning Melt and/or mold
temperature too hot
Mold design
Moisture
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
• Clean, widen and increase number of vents
• Increase gate size or number of gates
• Verify material is dried at proper conditions
Nozzle Drool Nozzle temperature too hot • Decrease nozzle temperature
• Decrease back pressure
• Increase screw decompression
• Verify material has been dried at proper conditions
Weld Lines Melt front temperatures
too low
• Increase pack and hold pressure
• Increase melt temperature
• Increase vent width and locations
• Increase injection speed
• Decrease injection speed
• Increase gate size
• Perform short shots to determine fill pattern and verify
proper vent location
• Add vents and/or false ejector pin
• Move gate location
Warp Excessive orientation
• Increase cooling time
• Increase melt temperature
• Decrease injection pressure and injection speed
• Increase number of gates
Sticking in Mold Cavities are overpacked
Part is too hot
• Decrease injection speed and pressure
• Decrease pack and hold pressure
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
• Increase cooling time
• Increase draft angle
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
TROUBLESHOOTING RECOMMENDATIONS
PROBLEM CAUSE SOLUTION
Incomplete Fill Melt and/or mold
temperature too cold
Shot Size
• Increase nozzle and barrel temperatures
• Increase mold temperature
• Increase injection speed
• Increase pack and hold pressure
• Increase nozzle tip diameter
• Check thermocouples and heater bands
• Enlarge or widen vents and increase number of vents
• Check that vents are unplugged
• Check that gates are unplugged
• Enlarge gates and/or runners
• Perform short shots to determine fill pattern and verify
proper vent location
• Increase wall thickness to move gas trap
to parting line
• Increase cushion
Brittleness Melt temperature too low
Degraded/Overheated material
Gate location and/or size
• Increase melt temperature
• Increase injection speed
• Measure melt temperature with pyrometer
• Decrease melt temperature
• Decrease back pressure
• Use smaller barrel/excessive residence time
• Relocate gate to nonstress area
• Increase gate size to allow higher flow speed and lower
molded-in stress
Fibers on Surface
(Splay)
Melt temperature too low
Insufficient packing
• Increase melt temperature
• Increase mold temperature
• Increase injection speed
• Increase pack and hold pressure, and time
Sink Marks Part geometry too thick
Melt temperature too hot
Insufficient material volume
• Reduce wall thickness
• Reduce rib thickness
• Decrease nozzle and barrel temperatures
• Increase shot size
• Increase injection rate
• Increase packing pressure
Flash Injection pressure too high
Excess material volume
Melt and/or mold
temperature too hot
• Decrease injection pressure
• Increase clamp pressure
• Decrease injection speed
• Increase transfer position
• Decrease pack pressure
• Decrease shot size
• Decrease injection speed
• Decrease nozzle and barrel temperatures
• Decrease mold temperature
• Decrease screw speed
TROUBLESHOOTING RECOMMENDATIONS
www.avient.com
Copyright © 2020, Avient Corporation.
Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your
sales representative for property ranges and min/max specifications.
Processing conditions can cause material properties to shift from the values stated in the information.
https://www.avient.com/sites/default/files/2020-08/fiber-solutions-business-unit-overview-2020.pdf
This allows replication
of customers’ industrial plant conditions
Europe
Magenta Master Fibers S.r.l.
Suzhou New District (SND)
Building No. 13, 855 Zhujiang Road
Suzhou, China, 215129
Phone: +51 266 900 333
Sales Office & Manufacturing Plant
79 Moo 11, Soi Kingthong, Kingkaew Rd.
Processing conditions can cause material properties to shift from the values stated in the information.