US20050072114A1
a coating formulation for roofing granules comprising of 32.5 g sodium silicate (Oxychem grade 42), 20.1 g of kaolin slurry (Royale slurry from Unimin Corp.), and 3.6 g of water was prepared in a container by mixing the ingredients using a mechanical stirrer at …
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Roofing granules with high solar reflectance, roofing …
Similarly, U.S. Pat. No. 2,378,927 to Jewett discloses a coating composition for roofing granules consisting of sodium silicate, and clay or another aluminum-bearing compound such as sodium aluminate or cryolite or other insoluble fluorides such as sodium silicofluoride, and a color pigment.
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Manufacture of artificially colored granules
The method of coating granules of the class described which consists in first coating the same with a hydrous plastic clay, then applying to the granules thus coated, a second coating including sodium silicate, and finally heating said granules to a temperature in excess of 450 F. to react said coatings in situ inter se and produce on said ...
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Material Safety Data Sheet
Product Name: CHARMIAN COLORED ROOFING GRANULES CAS Name: NA Synonyms: Metabasalt coated with pigments, sodium silicate, kaolin clay, oil and siloxane Product Use …
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Roofing Granules, Roofing Products Including Such Granules…
229910052911 sodium silicate Inorganic materials 0.000 description 3; 239000000454 talc Substances 0.000 description 3; ... the present invention thus provides an inorganic coating system for roofing granules that can be cured at relatively low temperatures and which can employ organic pigments, ...
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Google Patents
US8491985B2 US12/933,144 US93314409A US8491985B2 US 8491985 B2 US8491985 B2 US 8491985B2 US 93314409 A US93314409 A US 93314409A US 8491985 B2 US8491985 B2 US 8491985B2 Authority
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COMPOSITE NANOPARTICLES FOR ROOFING GRANULES, ROOFING …
The green roofing granules 90 are subsequently fired to fuse the sodium silicate, clay and the silica and thus to dissolve the silica matrix of the nanoparticle aggregates 60 in the coating binder 70 and thus disperse the silver nanoparticles …
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3M Roofing Granules | Industrial Minerals
Made of a natural mineral coated in ceramic, classic granules meet the toughest tests of time, weather and visual appeal. Copper granules are the key ingredient used in shingles featuring …
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US20150192698A1
the dry components are placed in a rotary pelletizer and gently sprayed with water (or a dilute sodium silicate solution) to produce round "green refractory" particles. ... Grade 11 size granules, e.g. as measured in accordance with ASTM D451-91, e.g., a grading suitable for use as a granular coating for a roofing membrane ...
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Hyperbright white roofing granules with high solar reflectance
The invention provides a bright white refractory roofing granule, comprising a ceramic material formed from a substantially homogenous mixture of a ceramic-forming clay, sintering material, and optionally comprising silica particles, and other potential additives, said bright white refractory roofing granule having a total solar reflectance of at least 0.80 and a …
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Color stable pigment for granular surface coated roofing …
In a roofing or siding system consisting essentially of an asphaltic membrane having a weather exposable surface on which is embedded 10-35 mesh mineral granules, said granules being coated with a composition containing pigment and a silicate/clay matrix the improvement in which said pigment contains between about 2 and 100 wt. % of at least 90 ...
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US2591149A
The method of treating mineral granules to form on each individual granule an insoluble color-bearing coating which is characterized by its afiinity for asphalt and possesses non-blooming properties, which method comprises completely coating each individual granule with an aqueous dispersion of sodium silicate, pigmenting material, and aluminum ...
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Material Safety Data Sheet
Specialty Granules Inc. 13424 Pennsylvania Avenue Suite 303 Hagerstown, MD 21742 ... Product Code: G11E03 Product Name: CHARMIAN COLORED ROOFING GRANULES CAS Name: NA Synonyms: Metabasalt coated with pigments, sodium silicate, kaolin clay, oil and siloxane Product Use Description: Roofing materials
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Fade resistant black coating for roofing granules
A slurry was formed by mixing 20 parts sodium silicate solution, 10 parts water, 0.06 parts Rhodacal N, 1.5 parts carbon black, 10 parts Windsor clay. ... a plurality of coated roofing granules, each of said coated roofing granules including an inorganic granule and a coating applied onto an outer surface of said inorganic granule, ...
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3M™ Classic Roofing Granules
3M™ Classic Roofing Granules are dense, non-porous, UV ray resistant, and tough enough to stand up under handling. Made of a natural mineral product coated in ceramic, the granules meet the toughest tests of time, weather and …
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OneMine | Construction Uses – Roofing Granules
The first artificially colored roofing granule was produced in 1914 by running molten slag into a solution of alkaline metal silicate, which was absorbed by the porous slag. Various colors were obtained by adding pigments to the silicate coating and …
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Method of preventing blooming of roofing granules
This problem is particularly aggravating in the case of roofing granules which have been coated with sodium silicate, and baked at a temperature below a fixing temperature. Under normal conditions a temperature of the order of 1500" F. or more is required to render sodium silicate entirely insoluble, although this temperature may be very ...
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The brief introduction of Sodium silicate
Sodium silicate is the common name for a compound sodium metasilicate, Na2SiO3, and is also referred to as liquid glass. ... as well as for welding rods and roofing granules[2]. References [1] Feiyang Li. "The influence of sodium silicate water glass content on the structure and properties of silicate thermal insulation coating." Materials ...
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sodium silie coated roofing granules
Traction Coated Granular Ice Melt Weve taken our famous coated granular blend sodium chloride coated with inhibited liquid ice melter Telping Roof Rake. ... Sodium silicate or water glass is a Silicate coated roofing granules Roofing granules coated with insolubilized reaction product of a coating composition .
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US7060658B2
Use of internal gas-forming compound to adjust coating porosity to control copper release rates in algae-retardant roofing granule products. US7060658B2 - Roofing granules - Google Patents Roofing granules Download PDF Info Publication number US7060658B2. US7060658B2 US10 ...
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The fight against algae | Professional Roofing magazine
3M's granules used a copper-based coating, and ISP Minerals' granules were manufactured with a bimetallic copper-zinc coating. ... During the coloring process, they are coated with a slurry that consists of water, sodium silicate, clay and pigments in a rotating kiln. A firing temperature of about 900 F typically is used to transform the slurry ...
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Coated mineral granule, method of making same, and roofing …
the coating is then dried, as by air, and the granules charged into a steam autoclave and subjected to a steam pressure of 118- 120 pounds, gage, per square inch (350 F.) for Under siliceous surface of the granules and the silica. flour in the mix to produce an insoluble, dense, hard, weather-resistant, buff-colored coating, believed to be a complex calcium silicate or …
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US3365322A
Definitions. a fire retardant asphalt composition felt-base roofing material comprising a layer of asphalt-saturated roofing felt having on one face thereof at least two layers of asphaltic composition and, between said layers, an intermediate layer of refractory mineral roofing granules in dividually coated with a reaction product of a boraxsodium silicate mixture which upon …
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Patented Nov. 24, 1936 2,062,080
15 the case of roofing granules which have been coated with SOdium silicate, and baked at a tem perature below a fixing temperature. Under normal conditions a temperature of the Order of 1500 F. or more is required to render sodium 20 silicate entirely insoluble, although this temper ature may be very considerably less under spe
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Silicate coated roofing granules
Roofing granules coated with insolubilized reaction product of a coating composition comprising water, kaolin clay, sodium silicate, pigment, and gas forming compound such as hydrogen …
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1000lb Skidded Supersack of Tri-Blend Coated Granular Ice …
Quick to access and easy to use bulk 1000 lbs.. supersak of Bare Ground coated granular ice melt (sodium chloride coated with liquid magnesium chloride and a corrosion inhibitor) plus calcium chloride for quicker and more aggressive ice melting. This unique blend gives you all 3 of the best ice melters in 1 blend.
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COMPOSITE NANOPARTICLES FOR ROOFING GRANULES, …
Roofing granules can be prepared by using 1 kg of US #11 grade mineral particles as a base followed by coating with a mixture of 35 g sodium silicate binder from Occidental Petroleum Corp., 17.5 g of kaolin clay from Unimin Corp., 0.768 g of HeiQ AGS-20 powder …
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Roofing granules and method of producing the same
A process for artificially coloring roofing granules comprising heating the granules to a moderate super-atmospheric temperature of about 90-130 F., then mixing the granules with a sodium silicate solution, a phthalocyanine pigment and an opaque inorganic pigment, continuing the mixing and adding sodium silicofluoride and controlling the ...
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Solar-reflective roofing granules with hollow glass spheres
The disclosure also relates to a method of making roofing granules including providing base granules; applying a coating containing hollow glass spheres, an aluminum silicate, an alkali metal silicate to the base granules; and heating the coated granules to a temperature between about 550°F and about 1000°F. ... may include an aqueous sodium ...
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US2553604A
granules sodium silicate fluoborate coating Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US153765A Inventor Gordon R Pole
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