SGS TEST Polyvinyl chloride polymer SG5

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Packaging Detail:Bags or barrel
Delivery Detail:within 15 days

Specifications

PVC resin SG5 suspension grade
1.Appearance: White powder
2.Main use for: Building
3.Bag packaging
4.High quality

PVC resin SG5 suspension grade

PVC is a thermoplastic resin, which in versatility of processing and application surpasses all other thermoplastic materials. This unique polymer is one of the oldest established plastics. Today, PVC finds applications in insulation of cables, in pipes and hoses, agricultural products, windows and profiles, flooring tiles used in the building industry, blister packaging, films and sheets, foamed leather cloth, curtains, tarpaulins, and also for medical use - for IV, blood bags, etc. The universality of its service properties is such that new areas of application are being continuously developed.

PVC resin SG5 suspension grade

Items

Unit

Index

SG1

SG2

SG3

SG4

SG5

SG6

SG7

SG8

Viscosity No.

ml/g

156-144

143-136

135-127

126-119

118-107

106-96

95-87

86-73

Or K value

76-75

74-73

72-71

70-69

68-66

65-63

62-60

59-55

Or Average degree of polymerization

1785-1536

1535-1371

1350-1250

1250-1150

1100-1000

950-850

750-650

740-650

Foreign Particle

30max

30max

30max

30max

30max

30max

40max

40max

Volatile Matter

%

0.4max

0.4max

0.4max

0.4max

0.4max

0.4max

0.4max

0.4max

Apparent Density

g/ml

0.42min

0.42min

0.42min

0.45min

0.45min

0.45min

0.45min

0.45min

Particle size

0.25mm Sieve

%

2.0max

2.0max

2.0max

2.0max

2.0max

2.0max

2.0max

2.0max

0.063mm Sieve

90min

90min

90min

90min

90min

90min

90min

90min

No. of fish eye/400cm2

40 max

40 max

40 max

40 max

40 max

50 max

50 max

50max

Plasticizer absorption of 100g resin

g

25min

25 min

25min

22 min

17min

15min

14min

14min

VCM Residue

ppm

10 max

10 max

10 max

10 max

10 max

10 max

10 max

10max

Whiteness(160°C,10min)

%

75min

75min

75min

75min

75min

75min

70min

70min

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Q:Oxide and organic peroxide signs
An organic compound containing -O-O-peroxy functional group formed by replacing hydrogen atoms in hydrogen peroxide with an organic group such as an alkyl group, an acyl group, an aromatic group or the like. Characterized by heating more than a certain temperature will decompose to produce oxygen free radicals, unstable, easy to break down. Chemical production of organic peroxides is mainly used for synthetic resin polymerization initiator, catalyst. In the field of polymer materials, it can be used as a radical polymerization initiator, graft reaction initiator, rubber and plastic cross-linking agent, unsaturated polyester curing agent and spinning grade polypropylene in the preparation of molecular weight and Molecular weight distribution regulator. Environmental pollution in the air under the action of light through the free radical reaction can produce peroxy nitrates compounds, photochemical oxidants in one of the species. On the skin, eyes, mucous membrane has a strong irritant, is an important pollutant in the atmosphere. Such substances are flammable and explosive dangerous goods, the use should pay attention to safety. Generally, the active oxygen content, activation energy, half-life and decomposition temperature were used as the basis of selection.
Q:What are the nutritional requirements for bacterial growth?
For carbon: pathogens are mainly obtained from sugars.
Q:Seaweed, kelp, shrimp and other seafood, the content is more of the kind of inorganic salts
Iodine is an important material for the synthesis of thyroid hormones, the body long-term iodine deficiency will affect the thyroid hormone synthesis and thyroid development, will be endemic goiter, that is, big neck disease. Kelp, seaweed and other marine algae are rich in iodine, so eat kelp, seaweed and other iodine-rich foods can prevent big neck disease
Q:The importance of water and inorganic salts to life is reflected in those aspects
The role of inorganic salts: 1 important components of the in vivo compounds 2 to maintain life activities have an important role in 3 to maintain cell acid and alkali balance 4 to maintain normal osmotic pressure
Q:How to do tooth acid
Or to the hospital to find a dentist point desensitizer desensitization cream to the fast.
Q:Elementary is a few years of course
An element is called a free state of an element in the presence of an element.
Q:Is the inorganic salt the same as the saline?
Saline is sodium chloride solution, most people use the point is 0.9%.
Q:Octopus why the lack of boron-containing inorganic salts can cause rape to flow only without fruit
Boron has a great influence on the reproductive process of plants, which can accelerate pollen differentiation and pollen tube elongation. In the absence of boron, pollen tube germination is affected, poor fertilization, which leads to the formation of seeds affected, the reduction of growth hormone produced by the reduction of growth hormone will affect the formation of fruit.
Q:What is the relationship between electronegativity and the solubility of a inorganic salts?
The higher the electronegativity, the stronger the acid would be... Therefore it would be more soluble. take NaCl (common table salt) as an example. The difference between Na's electronegativity and Cl's electronegativity is very high so NaCl is a very soluble salt. The only exception is HF - it is a weak acid - it dissociates very weakly because O-H bonds cannot break H-F bonds which are very strong.
Q:Why can quaternary ammonium salts catalyze the heterogeneous reaction between water-soluble inorganic salts and organic compounds
Quaternary ammonium salts have the characteristics of surfactants, with the water phase of the nucleophile in the composition of the ion pair, into the organic phase, thereby promoting the heterogeneous reaction faster 6224

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