PVC RESIN SG3

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Packaging Detail:	In 25kg net kraft paper bag with pp compound inside lining bag, 17mts/20'FCL without pallets.
Delivery Detail:	within one month

pvc resin k 65-67 (Tianhu Brand)
1. SG-5 PVC Resin
2. PVC resin for pipes or windows
3. manufacturer supply PVC resin

PVC Resin SG5, K-Value 66-67

Product name: PVC Resin

Molecular Formula: (C2H3Cl)n

CAS No: 9002-86-2

HS Code: 3904109001

Apprance: White powder.

Specification:

ITEM	STANDARD	RESULT
Viscosity Number (ml/g)	118-107	111
K Value	68-66	67
Number of Impurity paticle (entries)	16max.	12
Volatile Content (including water) (%)	0.4max.	0.35
Apparent Density (G/ml)	0.48min.	0.55
Screenings (%) (0.25mm sieve pore)	2max.	0.16
Screenings (%) (0.063mm sieve pore)	95min.	97.52
Number of Grain (entries/400cm2)	20max.	15
Absoring Amount of Plasticizer for 100g resin(g)	19min.	19.10
Whiteness,160deg, 10min (%)	78min.	83
Content of Residual Vcm/ (ug/g)	5max.	3
Appearance	White powder	Passed

Q:Milk food rich in nutrition, in addition to containing a variety of inorganic salts which also contain three types of organic energy can be organic: Calcium, protein, and vitamins

Q:What is a compound?: An element is called a free state of an element in the presence of an element.

Q:what is the function of salts in DNA extraction?: DNA can be purified for DNA sequencing or for restriction digestion by precipitation in an alcohol/water mixture in the presence of a high concentration of inorganic salt. DNA is recovered from the aqueous solution by addition of salt to final concentrations of 0.8M LiCl, 0.3-0.5M NaCl, NaOAc, or 2.5M NH4Ac and an appropriate volume of alcohol (30%-50% final percentage isopropanol; 60%-80% final percentage ethanol), storage for a brief period of time at -20°C or -70°C, followed by centrifugation. Subsequent desalting of the DNA pellet involves rinsing in 70% alcohol, recentrifugation and re-suspension in appropriate buffer.

Q:Please tell in your own language how water and inorganic salts are transported from the soil to the leaves.: The roots of plants are usually divided into roots, roots, roots, roots (roots, roots and roots) for the absorption of roots, the absorption of roots from the soil to absorb water and inorganic salts, through the transport organization to reach the xylem catheter, through the catheter To the various organs of the plant (including leaves). The effect of the absorption of roots through the semipermeable membrane of the role of penetration, that is, the concentration inside and outside the cell membrane is poor. Transpiration can provide transport power for the transport tissue, like a pump to the water and water carrying inorganic salts to the top of the plant. Or first through the root absorption, and then through to the transport.

Q:In order to prove that magnesium is an essential salt for soybean life, two soybean seedlings with the same growth status are taken, one of them is cultured in magnesium-containing culture medium and the other is cultured in (). A. Pure water B. Sand without sand. Water containing only magnesium. Media containing no magnesium: Biological control experiments were the only variable experiments. The question that is being explored is the variable, and the other quantities are the same. In a different amount (conditions) the same circumstances to modify a data variable in order to get the data variables on the experimental changes in the law. In order to prove that magnesium is essential for the life of soybeans, the variable is the presence or absence of magnesium. Can be designed as a magnesium-containing culture medium and magnesium-free culture medium. The other amount of the same as the amount of culture medium, soybean seedling growth status, the same number, while placed in the same place, etc., to ensure that only one variable that is the presence of magnesium.

Q:How to judge a chemical formula is not an oxide: While KMnO4 KClO3 contains oxygen but not an oxide.

Q:What is the harm to the human body?: The disadvantage of soda ash is the vitamin B1, B2 and vitamin C in food have a strong destructive effect, and will affect the body of certain minerals absorption and utilization, and therefore can not be abused.

Q:Which crop feet can provide C N inorganic salts for fungal growth: Plant growth requires a variety of inorganic salts, which require the most is nitrogen, phosphorus, potassium containing inorganic salts. If a lack of some inorganic salts, plants can not grow normally. Kind of crops need fertilization, farm manure contains organic matter, the microbial decomposition of the soil will produce a large number of inorganic salts for plant growth and utilization, the role of fertilizer is to provide a variety of plant growth of inorganic salts. Therefore, in agricultural production, the application of fertilizer and farm manure is intended to provide a variety of inorganic salts for crops.

Q:What are the disadvantages of inorganic salt deficiency and too much: high calcium, hypercalcemia can make nerve, muscle excitability to reduce the performance of fatigue, expression indifferent, tendon reflexes, severe patients may be mental disorders, stupor and coma; damage renal tubules, manifested as kidney Tubule edema, necrosis, basement membrane calcification, can cause kidney stones;

Q:Does the mixture have a simple substance? What is it?: Such as red phosphorus and white phosphorus, the molecular formula is P, but the structure is not the same, even if the mixture is oxygen and ozone, the molecular formula is not the same, but are composed of O elements

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