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Polypropylene PP granules material plastic supplier

short description:

Polypropylene is a polymer obtained by addition polymerization of propylene. It is a white waxy material with a transparent and light appearance. The chemical formula is (C3H6)n, the density is 0.89~0.91g/cm3, It is flammable, the melting point is 189°C, and it softens at about 155°C. The operating temperature range is -30~140°C. It is resistant to corrosion by acid, alkali, salt solution and various organic solvents below 80 °C, and can be decomposed under high temperature and oxidation.


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INDEX

Analysis Project

Quality Index

Results of testing

Standard

Black particles, pcs/kg

≤0

0

SH/T1541-2006

Color particles, pcs/kg

≤5

0

SH/T1541-2006

Large and small grains, s/kg

≤100

0

SH/T1541-2006

yellow index, none

≤2.0

-1.4

HG/T3862-2006

Melt index, g/10mins

55~65

60.68

CB/T3682

Ash, %

≤0.04

0.0172

GB/T9345.1-2008

Tensile yield stress, MPa

≥20

26.6

GB/T1040.2-2006

Flexural modulus, MPa

≥800

974.00

GB/T9341-2008

Charpy notched impact strength, kJ/m²

≥2

4.06

GB/T1043.1-2008

Haze, %

Measured

10.60

GB/T2410-2008

PP 25

Polypropylene modification:

1.PP chemical modification

(1) Copolymerization modification

(2) Graft modification

(3) Cross-linking modification

2. PP physical modification

(1) Filling modification

(2) Blending modification

(3) Enhanced modification

3. Transparent modification

PP 25

Application

Polypropylene is widely used in the production of clothing, blankets and other fiber products, medical equipment, automobiles, bicycles, parts, transportation pipelines, chemical containers, etc., and also used in food and drug packaging.

INSTRUCTION

Polypropylene, abbreviated as PP, is a colorless, odorless, non-toxic, translucent solid substance.

(1) Polypropylene is a thermoplastic synthetic resin with excellent performance, which is a colorless and translucent thermoplastic lightweight general-purpose plastic. It has chemical resistance, heat resistance, electrical insulation, high-strength mechanical properties and good high wear-resistant processing properties, etc., which makes polypropylene rapidly used in machinery, automobiles, electronic appliances, construction, textiles, packaging since its inception. It has been widely developed and applied in many fields such as agriculture, forestry, fishery and food industry.

(2) Because of its plasticity, polypropylene materials are gradually replacing wooden products, and high strength, toughness and high wear resistance have gradually replaced the mechanical functions of metals. In addition, polypropylene has good grafting and compounding functions, and has huge application space in concrete, textile, packaging and agriculture, forestry and fishery.

PROPERTY

Polypropylene has many excellent properties:

1. The relative density is small, only 0.89-0.91, which is one of the lightest varieties in plastics.

2. Good mechanical properties, in addition to impact resistance, other mechanical properties are better than polyethylene, good molding performance.

3. With high heat resistance, the continuous use temperature can reach 110-120℃.

4. Good chemical properties, almost no water absorption, no reaction with most chemicals.

5. Pure texture, non-toxic.

6. Good electrical insulation.

7. The transparency of polypropylene products is better than that of high-density polyethylene products.

B grade PP 2
B grade PP 3

PACKING AND STORAGE

50/drum, 25kg/drum or customized according to clients' requests.


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