White Lithopone ZnS-BaSO4 for paints,printing inks,coating,paper pigment,plastic,leather etc.

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
2000 m.t./month

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Product Description:

Specifications of Lithopone

Lithopone ZnS-BaSO4
1. zinc: 28-30%,30%
2. Uses:paints,printing inks,coating,paper pigment,plastic
3. ISO,SGS
4. 25kg/bag

Lithopone ZnS-BaSO4 :

 

1. Commodity: 

 Lithopone (ZnS-BaSO4) for paint ink plastic paper etc 

 

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2. Description: 

Lithopone B301 is a kind of lithopone whose hiding power is better than that of zinc oxide and worse than that of titanium dioxide.It has good heat-resisitance and is insoluble in water.

White powder, is a mixture of zinc sulfide and barium sulfate. Have high whiteness and good covering power. It is called Inorganic white pigment. Widely used as white pigment of plastics such as polyolefin, vinyl resin, ABS resin, polystyrene, polycarbonate, nylon and polyoxymethylene (POM), also for paint and ink . it is use to colourate for rubber products , linoleum, leather, paper, enamel. 

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3.  Features: 

1) A white pigment produced by precipitation through filtering,
heating and quenching works
2) Has mostly been replaced by titanium dioxide which is more
durable, but it is much cheaper

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4. Application:

Mainly used of coatings, printing ink, rubber, plastic, powder, profiles, paint, paper, and leather, etc.
1) Used as a base for lake pigment
2) Used as a inert pigment for paint, ink and cosmetics
3) A large range of applications in plastic industry
4) Used as a filler in paper, leather, and linoleum

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5. Packaging:  

Packing:25kgs per bag or according customer's requirements.

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6. Specifications:

ITEMSPECIFICATIONS

Zinc oxide,%

≤0.60

Total zinc(on zinc sulfide basis),%

≥28

Quality standard

GBT1707-95

Tinting strength(Relative)

≥105

Total zinc sulfide and barium sulfate

≥99.0

Water soluble %

≤0.40

Oil absorption,g/100g,

≤14.0

Sieve residue 45um %

≤0.10

Volatile at 105°C g/100g

≤0.30

Color

Not lower than standard sample

Hiding Power(contrast ratio)Not lower than 5% of standard sample

 

 

 

 

 

 

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Pigments in the reaction center work together to organize themselves in place, to protect the plant from injury from incidental light, and to absorb photons from the spectrum with each pigment catching its own portion of the incoming wavelengths. The accessory pigments catch and pass energy to chlorophyll a. Chlorophyll a is the specialist that plays the photon's electromagnetic energy into chemical. It splits water to release its electrons and hydrogen ions for use in the calvin cycle where glucose is manufactured. The goal is to fix energy into a usable organic form for the plant to live on.
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Accessory pigments are light-absorbing compounds, found in photosynthetic organisms, that work in conjunction with chlorophyll a. They include other forms of this pigment, such as chlorophyll b in green algal and higher plant , while other algae may contain chlorophyll c or d. In addition, there are many non-chlorophyll accessory pigments, such as carotenoids or phycobiliproteins which also absorb light and transfer that light energy to photosystem chlorophyll. Some of these accessory pigments, particularly the carotenoids, also serve to absorb and dissipate excess light energy, or work as antioxidants. The different chlorophyll and non-chlorophyll pigments associated with the photosystems all have different absorption spectra, either because the spectra of the different chlorophyll pigments are modified by their local protein environment, or because the accessory pigments have intrinsic structural differences. The result is that, in vivo a composite absorption spectrum of all these pigments is broadened and flattened such that a wider range of visible and infrared radiation is absorbed by plants and algae. Most photosynthetic organisms do not absorb green light well, thus most remaining light under leaf canopies in forests or under water with abundant plankton is green, a spectral effect called the green window. Organisms such as some cyanobacteria and red algae contain accessory phycobiliproteins that absorb green light reaching these habitats. For more kindly click on the links below --- en.wikipedia.org/wiki/Accessory_p... en.wikipedia.org/wiki/Photosynthe...
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Q:what is the function of plants pigment?
Pigments are molecules that absorb specific wavelengths (energies) of light and reflect all others. Pigments are colored: the color we see is the net effect of all the light reflecting back at us. Absorb: Electrons in molecules can exist at specific energy levels. Normally they exist at the lowest possible energy level they can. However, if enough energy comes along to boost them into the next level, they can absorb that energy and occupy that higher level. This is what pigments do. The light they absorb contains' just the right amount' of energy necessary to push them into the next level. Any light that does not have enough or has too much energy can not be absorbed and is reflected. The electron in the higher energy level, however, does not 'want' to stay there(i.e. it is unstable). It 'wants' to return to its normal lower energy level. In order to do this it must get rid or release the energy that has put it into the higher energy state to begin with. This can happen several different ways: 1) The extra energy can be converted into molecular motion and lost as heat. 2) Some of the extra energy can be lost as heat energy, while the rest is lost as light. This re-emission of light energy is called florescence. 3)The energy, but not the e- itself, can be passed onto another molecule. This is called resonance. 4)The energy and the e- can be transferred to another molecule. Plant pigments usually utilize the last two of these reactions to convert the sun's energy into their own. When chlorophyll is isolated from the enzymes it is associated with, the second scenario can be seen to happen.
Q:Pigmented microorganism?
Pigments have many advantages for the cell. They can absorb light to be used in photosynthesis. Specific pigments absorb light in a specific range - so the more pigments the more light can be absorbed and used for photosynthesis. Pigments also protect the cells from damage by UV radiation. More recently it has been suggested that some pigments inhibit the growth of some microorganisms.
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Q:how exactly do pigments in a plant work?
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Q:What are the ingredients in MAC's pigments? (10pts)?
Mac Pigment Ingredients
Q:I want to do some work with native american indigenous pigments.?
Pigments from the past came from rocks, minerals, plants, and other natural materials. Those things are all still available. You can take classes at some universities that teach how to make your own paints, or dry pigments. For native American pigments, you have to research which tribe used which colors. To be totally authentic you could visit the tribe of your choice and see if you can learn from them. Sticking to your own zip code will not net you much, usually.
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Yes, tannins are pigments but they aren't really the main plant pigment. Plant pigments usually refer to photosynthetic pigments (chlorophyll, carotenoids, etc.). These photosynthetic pigments give the leaves their green color (or yellow/orange in the fall). Tannins are non-photosynthetic phytochemical (involved in plant metabolism and internal functioning), but they are also a pigment. Tannins (and lignins) are brown. This is was gives dead leaves and wood their color. Tannins also leach out of the leaves when soaked in water (same process as brewing a cup of tea). So tannins are pigments when they leach out of leaves and stain water (or other things) brown, but they are not photosynthetic plant pigments. In other words, it depends on what context you are calling a tannin a pigment. In a live plant they are not a pigment (judgment call here). In a dead leaf or when they leach out of a leaf they are a pigment.

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