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Canada () is a country in North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean. It is the world's second largest country by total area. Canada's common border with the United States to the south and northwest is the longest in the world.
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Ontario is a Province of Canada located in the east-central part of Canada, the largest by population and second largest, after Quebec, in total area, (Nunavut and the Northwest Territories are larger in area, but they are not provinces.) The province's largest metropolitan area and Canada's most populous city, Toronto, is the capital city of Ontario. The national capital of Canada, Ottawa, is located in Ontario as well.
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Scarborough () (2006 Census 602,575) is a dissolved municipality within the current city of Toronto, Ontario, Canada. Geographically, it comprises the eastern part of Toronto. It is bordered on the south by Lake Ontario, on the west by Victoria Park Avenue, on the north by Steeles Avenue East, and on the east by the Rouge River and the City of Pickering. Initially a collection of rural villages, it has become a diverse urban community. Over 200 years it grew from a township to a city, changing regions to Metropolitan Toronto in 1954, and eventually amalgamated into the City of Toronto in 1998. It was named after the English town of Scarborough, North Yorkshire in 1796 by Elizabeth Simcoe, who was inspired by the Scarborough Bluffs which reminded her of white cliffs near her home.
http://wn.com/Scarborough_Ontario -
The United States of America (also referred to as the United States, the U.S., the USA, or America) is a federal constitutional republic comprising fifty states and a federal district. The country is situated mostly in central North America, where its forty-eight contiguous states and Washington, D.C., the capital district, lie between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico to the south. The state of Alaska is in the northwest of the continent, with Canada to the east and Russia to the west across the Bering Strait. The state of Hawaii is an archipelago in the mid-Pacific. The country also possesses several territories in the Caribbean and Pacific.
http://wn.com/United_States
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Fireproof intumescent Paint
- Order: Reorder
- Duration: 3:57
- Published: 20 Aug 2009
- Uploaded: 31 Oct 2011
- Author: PaintToProtect
International Fireproof Technology Inc. brings Intumescent Paint and Fire Retardant Coatings at affordable pricing, PTP Fireproof Paint will protect hospitals, restaurants, nursing homes, public buildings and your home from fires, and will meet building and fire codes. More importantly it will help save lives. PTP Intumescent Paints, painted on the exterior of your home or business, would have helped prevent many of the losses caused from the Wild Fire Disasters we had in the last few years. For more detail www.painttoprotect.com
http://wn.com/Fireproof_intumescent_Paint
Hypermature intumescent Cataract trypan blue "Vision blue"
Hypermature intumescent Cataract vision with trypan blue "Vision blue" capsule staining
http://wn.com/Hypermature_intumescent_Cataract_trypan_blue_Vision_blue
White Intumescent Cataract Surgery by Ike Ahmed
- Order: Reorder
- Duration: 1:55
- Published: 20 Jan 2010
- Uploaded: 08 Nov 2011
- Author: journey104
White intumescent cataract. Use of Vision Blue, Healon 5 and 27G needle decompression to prevent capsulorhexis run out.
http://wn.com/White_Intumescent_Cataract_Surgery_by_Ike_Ahmed
phacoemulsification for dense intumescent mature cataract using Micro-Coaxial surgery
- Order: Reorder
- Duration: 5:15
- Published: 22 May 2009
- Uploaded: 31 Oct 2011
- Author: hisham121121
dense intumescent mature cataract managed using 2.2-mm micro-coaxial intrepid FMS. IOL is full optic Acrysof IQ aspheric , injected using MONARCH III IOL delivery system with D cartridge. surgery was performed by Dr.Hisham Alkuraya, King Khalid Eye Specialist Hospital, Riyadh, KSA
http://wn.com/phacoemulsification_for_dense_intumescent_mature_cataract_using_Micro-Coaxial_surgery
phaco rhexis in an intumescent monster cataract
- Order: Reorder
- Duration: 1:34
- Published: 04 Jul 2009
- Uploaded: 07 Nov 2010
- Author: rameshdorairajan
This old video shows another phaco rhexis in an intumescent white cataract that had an unusually large nucleus. The posterior liquid compartment must have been very large as the rhexis was difficult to control even after aspirating all the anterior cortex. Excessive contact time with trypan blue had also made the capsule friable. The initial close up of the cataract clearly show water droplets below the anterior capsule, liquid clefts and a central liquid canyon, all features of a 2 compartment hyper mature cataract. Capsulorhexis was done by the phacorhexis technique.
http://wn.com/phaco_rhexis_in_an_intumescent_monster_cataract
Zero Combustion's HCA-WL thin coat intumescent paint
- Order: Reorder
- Duration: 3:42
- Published: 07 May 2008
- Uploaded: 14 Nov 2011
- Author: zerocombustion
This is a 1 hour comparison demo of HCA-WL. HCA-WL is aa product of Flameguard.nl and Zero Combustion is the North American agent for the coating. It is applied at a similar thickness to regular latex paint and is priced competively.
http://wn.com/Zero_Combustion's_HCA-WL_thin_coat_intumescent_paint
Capsulorhexis and phaco of a brunescent intumescent cataract
Capsulorhexis and phaco of an intumescent brunescent cataract with a thick leathery posterior plate. How to prevent the argentinian flag sign
http://wn.com/Capsulorhexis_and_phaco_of_a_brunescent_intumescent_cataract
Phaco Rhexis in an intumescent hypermature cataract
- Order: Reorder
- Duration: 1:45
- Published: 23 Jun 2009
- Uploaded: 11 Nov 2011
- Author: rameshdorairajan
Two stage capsulorhexis is a well described technique in hypermature cataracts. .A small rhexis is done first. The intralenticular volume is then reduced by emulsifying the anterior nucleus. The second stage of the rhexis is then done easily.
http://wn.com/Phaco_Rhexis_in_an_intumescent_hypermature_cataract
Intumescent paint PYRO PRO ACRYLIC
www.hydroton.gr When a layer of intumescent coating Pyro Pro ( ca. 1 mm thick ) is exposed to heat of 300 C and above, it will swell up to 10-50 times to build a foam char barrier that insulates the underlying substrate. Pyro Pro can be used to protect metal structures. Manufactured by Hydroton, a company that produces paints & varnishes since 1947.
http://wn.com/Intumescent_paint_PYRO_PRO_ACRYLIC
Capsulorhexis and phaco of a brunescent intumescent cataract (2)
Capsulorhexis and phaco of an intumescent brunescent cataract with a thick leathery posterior plate. How to prevent the argentinian flag sign
http://wn.com/Capsulorhexis_and_phaco_of_a_brunescent_intumescent_cataract_2
Intumescent Fire Sealant Compared with Torch on Plain Wood
More information at: firesciencetools.com Intumescent Fire Sealant Compared with Torch on Plain Wood. Intumescent materials swell when exposed to high heat flux creating a char layer to protect the materials underneath.Disclaimer: Combustion experiments are dangerous and could result in injury to yourself or others, and/or damage to property. These experiments were conducted in a laboratory environment by trained personnel. Do not attempt these experiments without proper training, equipment, and laboratory. Do not attempt at home. These videos are meant to show the combustion phenomenon and are not intended as a guide for reproducing the effects. Do not play with fire or combustion phenomena.
http://wn.com/Intumescent_Fire_Sealant_Compared_with_Torch_on_Plain_Wood
CAFCO SprayFilm -WB 5 Intumescent Coating by Isolatek International
Isolatek International, the World Leader in Passive Fire Protection introduces CAFCO SprayFilm -WB 5. SprayFilm WB 5 is the most technologically advanced, UL-classified intumescent coating on the market. It achieves required fire resistive ratings using less material than other intumescent coatings—often times far less material depending on conditions. Because it requires less material to achieve hourly ratings, SprayFilm -WB 5 has business and productivity advantages for fireproofing contractors, as well as aesthetic and cost advantages for architects who want to use more exposed steel in their designs. Learn more about SprayFilm WB 5 at www.sprayfilm.com
http://wn.com/CAFCO_SprayFilm_-WB_5_Intumescent_Coating_by_Isolatek_International
Intumescent Cataract
- Order: Reorder
- Duration: 9:53
- Published: 23 Jun 2010
- Uploaded: 03 Dec 2011
- Author: GimbelLibrary
Dr.Gimbel demonstrates a phacoemulsification in intumescent cataract case.
http://wn.com/Intumescent_Cataract
Thermoguard Intumescent Paint Demonstation
- Order: Reorder
- Duration: 4:29
- Published: 16 Feb 2010
- Uploaded: 24 Aug 2010
- Author: grahamlofting
A simultaneous burn test of three pieces of wood, bare, gloss painted and an intumescent coating of Timbercoat. The test period of 45 minutes shows the effect on the three wood panels and how the intumescent paint protects the substrate for the whole time. Some of this video was used by Megastructures: Built from Disaster Stadiums programme to show the effectiveness of intumescent coatings.
http://wn.com/Thermoguard_Intumescent_Paint_Demonstation
double and spiral rhexix in intumescent cataract phaco.wmv
- Order: Reorder
- Duration: 6:35
- Published: 26 Dec 2009
- Uploaded: 10 Jul 2011
- Author: drahmadsaeed79
after doing double rhexix in an intumescent cataract enlarging rhexix spirally was done.
http://wn.com/double_and_spiral_rhexix_in_intumescent_cataract_phacowmv
Extended Rhexis in Intumescent case
This was a very diff rhexis, that extend in last qaudrant, and i catch it from the other side
http://wn.com/Extended_Rhexis_in_Intumescent_case
Capsulorhexis of a white hypermature intumescent cataract
How to prevent the argentianian flag sign. This is an asian eye with a very small palpebral fissure. exposure is very limited. date of surgery: 9-7-01. The IOP was high and the chamber kept on shallowing, hence I kept on reforming the chamber and sealing the side ports.
http://wn.com/Capsulorhexis_of_a_white_hypermature_intumescent_cataract
Jotun WaterBased Intumescent
- Order: Reorder
- Duration: 0:36
- Published: 19 Mar 2009
- Uploaded: 27 Aug 2010
- Author: paintshopDOTie
Fire testing of Steelmaster 60WB. Check out how Jotuns leading waterbased intumescent works in a fire. The Steelmaster product range has been independently tested and certified to the latest industry standard BS476: Part 20/21. Bodycote warringtonfire carries out all our product fire testing and assessments. Jotun's Intumescent range is available at www.paintshop.ie (part of Advanced Coating Technology Ltd.) Irelands leading paint distributor.
http://wn.com/Jotun_WaterBased_Intumescent
phaco in intumescent cataract
phaco in 4 casea of intumescent cataract with different hardness and sizes
http://wn.com/phaco_in_intumescent_cataract
Hypermature intumescent Cataract with vision blue
Hypermature intumescent Cataract with trypan blue "Vision blue", Haelon 5
http://wn.com/Hypermature_intumescent_Cataract_with_vision_blue
Capsulorhexis and phaco of a brunescent intumescent cataract (3)
Capsulorhexis and phaco of an intumescent brunescent cataract with a thick leathery posterior plate. How to prevent the argentinian flag sign
http://wn.com/Capsulorhexis_and_phaco_of_a_brunescent_intumescent_cataract_3
Capsulorhexis in Intumescent Cataracts: How to prevent the Argentinian flag sign (3)
Capsulorhexis performed on an intumescent lens
http://wn.com/Capsulorhexis_in_Intumescent_Cataracts_How_to_prevent_the_Argentinian_flag_sign_3
Intumescent Cataract Surgery
- Order: Reorder
- Duration: 10:50
- Published: 12 Nov 2011
- Uploaded: 12 Nov 2011
- Author: EyeQDoctor
Intumescent Cataract
http://wn.com/Intumescent_Cataract_Surgery
Fireproof intumescent Paint
Fireproof intumescent Paint
3:57
International Fireproof Technology Inc. brings Intumescent Paint and Fire Retardant Coatings at affordable pricing, PTP Fireproof Paint will protect hospitals, restaurants, nursing homes, public buildings and your home from fires, and will ...
phacoemulsification for dense intumescent mature cataract using Micro-Coaxial surgery
phacoemulsification for dense intumescent mature cataract using Micro-Coaxial surgery
5:15
dense intumescent mature cataract managed using 2.2-mm micro-coaxial intrepid FMS. IOL is full optic Acrysof IQ aspheric , injected using MONARCH III IOL delivery system with D cartridge. surgery was performed by Dr.Hisham Alkuraya, King Kh...
phaco rhexis in an intumescent monster cataract
phaco rhexis in an intumescent monster cataract
1:34
This old video shows another phaco rhexis in an intumescent white cataract that had an unusually large nucleus. The posterior liquid compartment must have been very large as the rhexis was difficult to control even after aspirating all the ...
Zero Combustion's HCA-WL thin coat intumescent paint
Zero Combustion's HCA-WL thin coat intumescent paint
3:42
This is a 1 hour comparison demo of HCA-WL. HCA-WL is aa product of Flameguard.nl and Zero Combustion is the North American agent for the coating. It is applied at a similar thickness to regular latex paint and is priced competively....
Phaco Rhexis in an intumescent hypermature cataract
Phaco Rhexis in an intumescent hypermature cataract
1:45
Two stage capsulorhexis is a well described technique in hypermature cataracts. .A small rhexis is done first. The intralenticular volume is then reduced by emulsifying the anterior nucleus. The second stage of the rhexis is then done easil...
Intumescent paint PYRO PRO ACRYLIC
Intumescent paint PYRO PRO ACRYLIC
1:06
www.hydroton.gr When a layer of intumescent coating Pyro Pro ( ca. 1 mm thick ) is exposed to heat of 300 C and above, it will swell up to 10-50 times to build a foam char barrier that insulates the underlying substrate. Pyro Pro can be use...
Intumescent Fire Sealant Compared with Torch on Plain Wood
Intumescent Fire Sealant Compared with Torch on Plain Wood
1:39
More information at: firesciencetools.com Intumescent Fire Sealant Compared with Torch on Plain Wood. Intumescent materials swell when exposed to high heat flux creating a char layer to protect the materials underneath.Disclaimer: Combustio...
CAFCO SprayFilm -WB 5 Intumescent Coating by Isolatek International
CAFCO SprayFilm -WB 5 Intumescent Coating by Isolatek International
3:08
Isolatek International, the World Leader in Passive Fire Protection introduces CAFCO SprayFilm -WB 5. SprayFilm WB 5 is the most technologically advanced, UL-classified intumescent coating on the market. It achieves required fire resistive ...
Thermoguard Intumescent Paint Demonstation
Thermoguard Intumescent Paint Demonstation
4:29
A simultaneous burn test of three pieces of wood, bare, gloss painted and an intumescent coating of Timbercoat. The test period of 45 minutes shows the effect on the three wood panels and how the intumescent paint protects the substrate for...
Capsulorhexis of a white hypermature intumescent cataract
Capsulorhexis of a white hypermature intumescent cataract
1:58
How to prevent the argentianian flag sign. This is an asian eye with a very small palpebral fissure. exposure is very limited. date of surgery: 9-7-01. The IOP was high and the chamber kept on shallowing, hence I kept on reforming the chamb...
Jotun WaterBased Intumescent
Jotun WaterBased Intumescent
0:36
Fire testing of Steelmaster 60WB. Check out how Jotuns leading waterbased intumescent works in a fire. The Steelmaster product range has been independently tested and certified to the latest industry standard BS476: Part 20/21. Bodycote war...
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- aircraft
- Bounding
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- Canada
- child
- concrete
- Construction
- density
- drywall
- endothermic
- fire door
- Fire protection
- Fire test
- fireproofing
- firestop
- firestop pillow
- force
- graphite
- heat
- hydrate
- law
- light char
- metal
- mortar (firestop)
- North America
- Occupancy
- Ontario
- paint
- penetrant
- pipe (material)
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- pressure
- putty
- Scarborough, Ontario
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- toy
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Hoovers
08/01/2006 07:27:50 PM EDT European Patents Pub. Number EP1683841 Appl. Data EP06250288 20060119 Applicant Rohm and Haas Company Inventor(s) Surplice, Neil Watts, James Edward Wursthorn, Karl R. Title Intumescent...
size: 1.4Kb
size: 1.4Kb
An intumescent is a substance which swells as a result of heat exposure, thus increasing in volume, and decreasing in density. Intumescents are typically used in passive fire protection and, in America, require listing and approval use and compliance in their installed configurations in order to comply with the law.
firestopping
fireproofing
gasketing applications
windows
buildings
offshore construction
ships
aircraft.
"The proof is in the fire" Chemical Innovation Magazine, American Chemical Society
Article about intumescent materials
Translation of DIBt test procedure for intumescent building products
Translation of DIBt test procedure for reactive spray fireproofing materials
American Chemical Society: Fire Retardancy of Polypropylene Composites Using Intumescent Coatings
Types of intumescents
Soft char producers
These intumescents produce a light char, which is a poor conductor of heat, thus retarding heat transfer. Typically, these materials also contain a significant amount of hydrates. As the hydrates are spent, water vapour is released, which has a cooling effect. Once the water is spent, it is only the insulation characteristics of the char that was produced, which can slow down heat transfer from the exposed side to the unexposed side of an assembly. Soft char producers are typically used in thin film intumescents for fireproofing of structural steel as well as firestop pillows. Typically, the expansion pressure that is created for these products is very low, because the soft carbonaceous char has little substance, which is beneficial if the aim is to produce a layer of insulation.
Hard expanding char producers
Harder chars are produced with sodium silicates and graphite. These products are suitable for use in plastic pipe firestops as well as exterior steel fireproofing. In those applications, it is necessary to produce a more substantial char, with a quantifiable expansion pressure. In the case of the firestops, a melting, burning plastic pipe must be squeezed together and shut so that there will be no hole for fire to go through an opening in an otherwise fire-resistance rated wall or floor assembly. In the case of the exterior fireproofing, a hydrocarbon fire must be held off with quite potentially more kinetic energy than a house fire. Intumescents that produce hard chars are not typically used for interior spray fireproofing as they are not suitable for that application.
Uses of intumescents in passive fire protection
Applications
Occupancies
Problems with intumescents
Some intumescents are susceptible to environmental influences such as humidity, which can reduce or negate their ability to function. DIBt approvals quantify the ability of intumescents to stand the test of time against various environmental exposures. DIBt approved firestops and fireproofing materials are available in Canada and the U.S.
Gallery
References
See also
External links
Category:Materials Category:Firestops
de:Intumeszenz fr:Intumescent ta:வெப்பவீங்கிThis text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.