LED Fluorescent Powder with High Brightness Hot Sale
- Ref Price:
-
- Loading Port:
- Huangpu
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 88 kg
- Supply Capability:
- 100000 kg/month
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Description of LED Fluorescent:
Extensive usage: it applies to various LED encapsulation from cool white to warm white. The rendering index can be up to 98 with red powder.
Festures of LED Fluorescent:
Appearance: Red crystal powder.
Chemical Component: Oxynitride chemical compound
Chemical Stability: No decomposability in water, strong stability from -50°C to 300°C in the air.
Safety Capability:Meet the RoHS standard, contains no radiation, no toxicity, no hazard to human, and no pollution to the environment.
Specifications of LED Fluorescent:
Appearance: Yellow crystalline powder
Chemical composition: Rare earth aluminate
Physical stability: waterproof and heatproof. No any changes under -50°C to 300°C in the air.
Chemical stability: under 200°C, brightness >90%; within 1000 hours after encapsulation, brightness decay
Safety: Conform to the RoHS {EU (Restriction of Hazardous Substances)} and all security standards. Non-poisonous, non- radioactivity and do no harm to human and environment.
Images of LED Fluorescent:
FAQ:
1.When can i get the price quotation?
We can send you the quotation within 24hours after your inquiry, including the shipping cost if you need.
2.What about payment term?
30% T/T deposit, balance against B/L copy.
Full T/T payment if quantity less than MOQ.
3. What’s your after-sales service?
One-year warranty, and 1% common accessories.
- Q: Can some one suggest chemical pigments that can be easily made from chemicals available in a chemistry lab for a project?I need the name of the pigment, reactants required and chemical equations of reactions involved.I need atleast 5 pigments
- Typical pigments: carbon black (charcoal) titanium dioxide red iron oxide white lead cadmium red cadmium orange cadmium yellow
- Q: list 5 mineral pigments and 5 animals pigments and how its produced
- Mineral Pigments: Lazurite (Lapis Lazuli), Vivianite (Blue Ochre), Riebeckite, Glauconite, Malachite, Jarosite, Limonite, Hematite, Goethite, Celadonite and Shungite Animal Pigments: Tyrian Purple, made from the mucus of a Murex snail Carmine, made from an insect in central and south America, called Cochinilla Natural indigo, made from plants of the genera Indigofera Rose madder, a pigment derived from the plant Rubia tinctorum Gamboge, I think is a dark type of mustard (seeds) Alizarin occurs in the root of the common madder (Rubia tinctorum) and in various parts of Indian madder (Rubia cordifolia). And regarding how they are produced, well each one has it?s own methods. You may want to search each of those names and you can find information for each one. Hope this helps, Bella
- Q: i need pigment in powdered form and i need it to be oil based for my resin project. i was thinking about just crushing up artist oil pastels but i need it to be really fine with no chunks. sooo, i was wondering if anyone sells really fine oil based art pigment powders in a variety of colors. or do you know of i way i could crush up the pastels super fine so it will mix evenly into the resin? (i hope this made sence, i don't know much about art lol)thanks!!!:)
- Hi. okorder /... Those are all pure pigments, no hues or imitations. The prices may seem high, but even a half a pound of pigment is a huge amount. Prices I've seen on other sites are higher. I do not think it will work to crush up pastels, oil or otherwise, because they already have a binder and probably a lot of filler in them -- you will get a very weak color. Hope this helps.
- Q: Why does a plant use several pigments instead of one or two?Why are plant leaves green?
- Pigments are a way for a plant to absorb the sun's energy in the form of light (photosynthesis). The different colored pigments absorb different wavelengths of light and pass it on directly to the plant to make energy, except for one class called the carotenoids, which much pass it on the the chlorophyll before anything happens The plants leaves are green because they absorb all the other wavelengthss (red, blue, oragne etc) except the green one, and the reflection of the green is what our eyes see.
- Q: What do chlorophylls, cartenoids and phycobilins reflect? And what wavelengths of light do they absorb?
- Carotenoids generally reflect yellow, orange, or red and absorb blue to blue-green light spectra. Xanthophyll absorbs well at 400-530 nm Beta-carotene absorbs most strongly between 400-500 nm. Fucoxanthin absorbs light primarily in the blue-green to yellow-green that penetrates deeper in water, peaking at around 510-525 nm and again at 450-540 nm. This reflects a yellow brown giving brown algae their color. Phycobilins are not found in leaves except as a phytochrome. They occur in Cyanobacteria (bluegreen algae) and Rhodophyta's (red algae) photosynthetic pathways as accessory pigments a part of the light reaction pigment systems energy donors to the reaction center. Phytochromes respond to far red between 700-800 nm. Phycoerythrin is a phycobilin pigment in rad algae that reflects red light and is therefore responsible for the color of most red algae.
- Q: are photosynthetic pigments separated based on their polarity or based on their molecular structure?Thanks
- Molecular structure... Chlorophylls are greenish pigments which contain a porphyrin ring. This is a stable ring-shaped molecule around which electrons are free to migrate. There are several kinds of chlorophyll, the most important being chlorophyll a. This is the molecule which makes photosynthesis possible, by passing its energized electrons on to molecules which will manufacture sugars. All plants, algae, and cyanobacteria which photosynthesize contain chlorophyll a. A second kind of chlorophyll is chlorophyll b, which occurs only in green algae and in the plants. A third form of chlorophyll which is common is (not surprisingly) called chlorophyll c, and is found only in the photosynthetic members of the Chromista as well as the dinoflagellates. The differences between the chlorophylls of these major groups was one of the first clues that they were not as closely related as previously thought. Carotenoids are usually red, orange, or yellow pigments, and include the familiar compound carotene, which gives carrots their color. These compounds are composed of two small six-carbon rings connected by a chain of carbon atoms. As a result, they do not dissolve in water, and must be attached to membranes within the cell. Carotenoids cannot transfer sunlight energy directly to the photosynthetic pathway, but must pass their absorbed energy to chlorophyll. For this reason, they are called accessory pigments. One very visible accessory pigment is fucoxanthin the brown pigment which colors kelps and other brown algae as well as the diatoms.
- Q: can pigment ink be used to tattoo?
- Pigment ink? Tattoo ink is pigment ink. Printer ink is pigment ink. Crayola markers are pigment ink. It all comes down to what it's manufactured for and whom is doing the manufacturing. Reputable shops use certain brands of tattoo ink for a reason. Using something not made for the human body at all makes for an ugly tattoo and can cause infections or other problems seeing as nothing in it's manufacturing process is sanitary or compatible with use in skin.
- Q: what the book says is that they 'harvest additional wavelengths.' i don't know what this means to how its an advantage.. can somone explain?
- Each photon has a particular wavelength, determined by the photon's energy. A pigment such as chlorophyll can only absorb photons in particular wavelength bands, matching the energies of available electron transitions to excited states. For chlorophyll, these bands are in blue and red -- the green color of most leaves is due to the waste light that is not absorbed by chlorophyll, while red and blue photons can be absorbed and used to power photosynthesis. An accessory pigment can absorb a photon that has a wavelength (color) outside of the bands that chlorophyll is able to absorb and can pass some of the absorbed energy on to chlorophyll, getting rid of the excess energy in another form, such as heat. A pigment might be tuned to absorb a photon of yellow light; the absorbed energy, stored in the excited state of an electron, is called an exciton (the photon becomes an exciton, so energy is not created or destroyed). The exciton can be passed to a chlorophyll, but only with the same energy as the red photon that the chlorophyll could normally absorb directly. The excess energy, the difference in energy between the yellow and red photon, must be dissipated in another form. This process allows a plant to harvest photons that would otherwise be unavailable to its photosystems. Consider how this would be an advantage to a plant living on a shaded forest floor, or to a planktonic cyanobacteria floating in the water below other photosynthetic algae, in regions where photosynthetically useful photons are scarce.
- Q: hi:]i need the right order to apply skin pigments...
- Pigments are usually packaged in a finely milled loose powder form. After cleansing , toning and moisturizing,let the moisturizer absorb in the skin. Apply the skin pigments using a large compact powder brush/kabuki brush in a circular motion on face neck, then apply a second layer in a downward motion. Then use Evian water Mister to set the pigment. For eye pigments, put a thin layer of skin pigment first, then apply the eye pigment using a oval shaped dome brush
- Q: Hi what is pigment?i went on mac cosmetics and they sell all different kinds of stuff called pigment. I want to use it to make lip gloss but is it safe for my lips?please answer soon!
- pigment is just color. the color shown or what makes a color. MAC is GREAT!!!!! its a color used to product a color or the actual color itself. either way....pigment means color.
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LED Fluorescent Powder with High Brightness Hot Sale
- Ref Price:
-
- Loading Port:
- Huangpu
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 88 kg
- Supply Capability:
- 100000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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