Forton VF-774 Long-Term Durability Study
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Transcript of Forton VF-774 Long-Term Durability Study
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VF 774
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Why Forton VF 774?
• Consistent color over time – no yellowing/fading• Demonstrated long term ductility• The only latex that has withstood the test of time30+
Years
• Maximum 28 day strength w/o 7 day wet cure• High density material without voids• Color consistency from batch to batch• Virtually eliminate face cracking
Quality GFRC
• Improved workability of the mix• Spray on vertical w/o sag• Improved pumping
• No foaming• Excellent pigment dispersion
Improved Processing
• VF 774 is designed for GFRC• Monomer mix, particle size, solids
content, additive package• Excellent batch to batch consistency
Quality Latex
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Mix behavior
Other Acrylics SBRs
Water reducing effect ++ -- +
Controls foaming ++ -- -
No offensive odor + + --
There are clear processing advantages when using Forton over other acrylics, SBRs or no polymer.
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28 Day Flexural Ultimate
Forton Acrylic 1 Acrylic 2 Acrylic 3 SBR 1 SBR 2 No Polymer
2350
2400
2450
2500
2550
2600
2650
2700
2750
2800
2850
Flexural Ultimate at 5% Glass Fiber
Flex
ural
Ulti
mat
e (p
si)
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Long Term Durability
• Forton increases the strain to failure at 28 days
• Field tests show that high strain to failure is only maintained with Forton
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Long Term Durability
w/o Forton -- brittle break, straight break line, few fibersw/ Forton -- ductile break, jagged break line, abundant fibers
Aged 16 year w/o Forton Aged 16 year w/ Forton
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Face Cracking
Without Forton
With Forton
The use of 6% Forton eliminated face cracks in panels that consistently cracked without.
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Why Use Forton?Property Other
Acrylics SBRs No Polymer
Designed for GFRC
Manufactured to tight specifications - -
Forgiving slurry - -
Will not foam
No strong offensive odors
Eliminates 7 day wet cure - -
Will not yellow -
Prevents face cracking - -
Highly ductile GFRC
… proven to last for decades
: THE time tested material for GFRC
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Summary
• The foundation for quality GFRC – designed specifically for GFRC– manufactured to tight specifications
• Consistently produces desired results • Produces GFRC with maximum 28 day strength w/o 7
day wet cure• Produces more water resistant GFRC with lower water
absorption compared to SBR latexes • Prevents face cracking• Produces highly ductile GFRC that remains ductile for
decades• The time tested material for GFRC