China Factory Price PP Injection Moulding Granules 1100n, Polypropylene Homopolymer PP, Plastic Pellets Polypropylene PP

• Customization: Available
• Feature: Oxidative Degradable
• CAS No.: 9003-07-0
• Model NO.: Injection pp2024061405
• Formula: C3h6)N
• EINECS: 202-316injection PP May Not Have an Einecs Number.
• Material: Polypropylene/PP
• Usage: General Plastics
• Plastic Properties After Heated: Thermoplastic Plastics
• Plastic Forming Method: Injection
• Color: White
• Name: Polypropylene/Polypropylene Granules
• Form: Granule
• Type: 100% Virgin PP Material and Injection Recycled PP
• Appearance: Colorless Translucent Solid
• Kind: Plastic Raw Materials
• Process: Injection Molding/Extrusion Molding/Blow Molding
• Application: Plastic Molded Home Appliance Parts Blow Film Foo
• Variety: Polypropylene Homopolymer
• Features: High Impact/Controlled Rheology/Good Moldability
• Characteristic: High Gloss/High Impact
• Carrier: PP/Polypropylene
• Certification: ISO CE
• OEM: Accept
• 1: Virgin Injection PP
• 2: Injection Recycled PP
• Transport Package: Bags
• Specification: 1 Container (26 Tons)
• Trademark: HEAJ
• Origin: China
• HS Code: 3902100090
• Production Capacity: 50, 000 Tons/Year

Product Description

 

China Factory Price PP Injection Moulding Granules 1100n, Polypropylene Homopolymer PP, Plastic Pellets Polypropylene PP

 

      is a leading high-tech new energy company that specializes in the integration of R&D, production, sales, and service. With its headquarters nestled in Guangzong City, Hebei Province, the company is renowned for its comprehensive range of plastic particles and recycled plastic crushed particles. The branch in Xingtai City further enhances the company's capabilities by focusing on the production of high-quality plastic granules.

     Our commitment to excellence is reflected in our products' superior quality, competitive pricing, and an impeccable service system. We have achieved quality system certification, which has garnered the affection of customers both domestically and internationally. Our products have earned accolades from satisfied customers across continents, including South America, Southeast Asia, Africa, the Middle East, Europe, and beyond.

     At Hebei Aojin Import and Export Co., Ltd., we adhere to our enterprise spirit of "quality first," ensuring that every product we deliver meets the highest standards of excellence. Whether it's virgin injection grade PP or injection molding grade PP, our granules and containers are designed to meet the diverse needs of our global clientele. We take pride in providing solutions that are not only environmentally responsible but also cater to the evolving demands of the industry.

What is polypropylene?

Polypropylene (PP) is a type of polyolefin that is slightly harder than polyethylene. It is a commodity plastic with low density and high heat resistance. It finds application in packaging, automotive, consumer goods, medical, cast films, etc. Its chemical formula is (C₃H₆)_n.Polypropylene can be processed virtually by all processing methods. The most typical processing methods include:

Injection Molding with PP

The processing conditions for PP injection molding include:
 

1. Melt temperature: 200-300°C
2. Mold temperature: 10-80°C
3. Drying is not necessary if stored properly
4. High mold temperature will improve the brilliance and appearance of the part
5. Mold shrinkage lies between 1.5 and 3%. It depends on:
   • processing conditions, 
   • rheology of the polymer, and 
   • thickness of the final piece

Detailed Photos

Product Parameters

Properties		Unit				Test Method			Typical Value
				g/10min			ISO1133			15
Melt Index
Density	g/cm3						ISO1183			0.90
Melting Point	ºC						DSC			---
Heat Deflection Temperature			ºC				ISO75			120
Vicat Softening Temperature	ºC						ISO306			155
Tensile Strength at Yield	Kg/cm2						ISO527			450
Tensile Elongation at Break	%						ISO527			100
Rockwell Hardness	R scale						ISO2039			111
Flexural Modulus	Kg/cm2						ISO178			16,000
IZOD Impact Strength	Kg.cm/cm notch						ISO 180	23ºC     -20ºC		3.0
Mold Shrinkage	%						FPC Method			1.3-1.7

Number	Project		Unit	H40S	Test value	Test Methods
1	Melt mass-flow rate(MFR)	Nominal value	g/10min	37	37.3	GB/T 3862
		Deviation		±37
2	Isotactic index		%	>=96.0	97.51	GB/T 2412
3	Particle appearance	Color grain	Pc/kg	<=5	0	SH/T 1541-2006
		Black grain	Pc/kg	0	0
		Large and small grains	g/kg	<=100	0.1
		Snake skin grains and trailing grains	Pc/kg	report	25
4	Impurities and others		Pc/kg	no	no	SH/T 1541-2006
5	Ash		%	<=0.030	0.014	GB/T 9345.1
6	Tensile properties	Tensile modulus of elasticity(Et)	MPa	>=1200	1250	GB/T 1040
		Tensile yield stress(σ y)	MPa	>=30.0	30.9
		Tensile stress atbreak(σ B)	MPa	>=8.0	20.7
		Nominal tensile strain at break(ε tB)	%	>=200	566
Test conclusion	Qualified

PP.M9.1012
Properties	Test Standard	Test Condition	Units	Typical Values
Specific Gravity	ASTM-D792	23 ºC		0.93
Melt Flow Rate	ASTM D1238	230ºC, 2.16KG	g/10min	9~15
Mold Shrinkage	ASTM D955	23 ºC	%	1.0~1.2
Mechanical Properties
Tensile Strength	ASTM D638	5 mm/min, 23 ºC	Mpa	19
Tensile Elongation	ASTM D638	13 mm/min, 23 ºC	Mpa	19
Flexural Modulus	ASTM D790A	13 mm/min, 23 ºC	1480	Mpa
Charpy Notched impact Strength	ASTM D256	3.2mm,23 ºC	KJ/	20~25
Un notched impact Strength	ASTM D256	3.2mm, 23 ºC	KJ/	-----
Thermal Preperties
Heat Deflection Temperature	ASTM D648	0.45MPa, 3.2mm	ºC	100
Flammability	UL94	1.6mm		HB
		3.2mm		HB

Packaging & Shipping

we can package according to your needs. Here are two possible packaging methods:

1. 25kg/carton or 25kg/bag: We can package the Injection PP in 25kg per carton or bag as per your requirement.
2. 25kgs net weight in PP woven or PE plastic bag: We can also package the Injection PP in PP woven bags or PE plastic bags, with a net weight of 25kgs per bag. For a 20" container, it can hold about 20 tons.

Our goal is to ensure the safe transportation of the product and meet your specific needs. If you have other packaging requirements or questions, please feel free to let me know.

Certifications

Application

has a wide range of applications due to its unique properties. Here are some of the key applications:

Packaging: PP is extensively used in the packaging industry for the manufacture of bottle caps, containers, and other packaging materials.

Automotive Components: Due to its dimensional stability, stiffness, and ability to withstand temperature variation, PP is suitable for automotive applications.

Medical Devices: PP's chemical resistance and biocompatibility make it a preferred choice for manufacturing intricate medical devices.

Textiles: PP is used in the textile industry due to its lightweight and durability.

Electronics: PP is used in the electronics industry for the manufacture of various components due to its electrical insulating properties.

Consumer Goods: PP is used in the production of a variety of consumer goods such as children's toys, sporting goods, food trays, cups, to-go containers, and household goods and appliances like dishwashers.
 

 

Company Profile

    Hebei Aojin Import and Export Co., Ltd.. is a comprehensive enterprise integrating industry and trade.

    The main products are Graphite electrode,Petroleum coke ,copy paper and other plastic raw materials (ldpe, hdpe, lldpe, pvc, pva, pbt, eva abs, eps, gpps, hips, pc Pet, etc.).

     We will strictly check every link from raw materials to finished products to ensure the quality and stability of products. We also have our own professional design team, which can meet the needs of different levels of customers. All our products meet international quality standards and are well received in different markets around the world. We have a professional foreign trade team to expand overseas markets, can timely and properly deal with the problems raised by customers.


 

 

1. who are we?
We are headquartered in Hebei, China and have been selling our products to the domestic market (90.00%), North America (3.00%), Southeast Asia (3.00%), Oceania (00.00%), Middle East (00.00%), East Asia (00.00%), and South Asia (00.00%) since 2016. We have a total of about 11-50 people in our office.

2. How do we ensure the quality?
We do sample pre-production before mass production;
Final inspection must be done before shipment;

3. What can you buy from us?
Biodegradable materials, plastic raw materials, thermoplastic elastomer materials, additives, steel. 4.

4. Why buy from us instead of other suppliers?
Our strong investment background and purchasing channels
Professional and experienced purchasing and sales team

5. What services can we provide?
Accepted delivery terms: FOB, CIF, CIF, ex works;
Accepted payment currencies: USD, EUR, HKD, RMB;
Accepted payment terms: T/T,L/C T/T, L/C;
Languages: English, Chinese

6.Are you a manufacturer or a trading company?
We are a manufacturer located in Hebei Province.

7.Can I get some samples before I place an order?
Yes, we can provide free samples, but you will pay the freight.

8. How long will it take to get a sample?
7-10 days for general products, 30-40 days for customized products. Depends on production arrangements.

9.What documents do you provide?
Usually we provide commercial invoice, packing list, bill of lading, COA, health certificate. If your market has any special requirements, please let us know.

PP Tips

How is PP produced?

It is made from the polymerization of propene monomer. There are two main syntheses to produce polypropylene:

• Ziegler-Natta polymerization or
• Metallocene catalysis polymerization

 

Upon polymerization, PP can form three basic chain structures. They depend on the position of the methyl groups:

 

• Atactic (aPP) - Irregular methyl group (CH₃) arrangement
• Isotactic (iPP) - Methyl groups (CH₃) arranged on one side of the carbon chain
• Syndiotactic (sPP) - Alternating methyl group (CH₃) arrangement

 

Basic Chain Structures of PP

Depending on how it is produced and formulated, PP can be:

• hard or soft,
• opaque or transparent,
• light or heavy,
• insulating or conductive,
• neat or reinforced with cheap mineral fillers, short or long glass fibers, natural fibers, or even self-reinforced.

 

What are the properties of PP?

Keeping information about the properties of a thermoplastic beforehand is always beneficial. This helps in selecting the right thermoplastic for an application. It also assists in evaluating if the end-use requirement would be fulfilled or not. Here are some key properties and benefits of polypropylene:
 

1. Melting Point - The melting point of PP occurs at a range.
   • Homopolymer: 160 - 165°C
   • Copolymer: 135 - 159°C


2. Density - PP is one of the lightest polymers among all commodity plastics. This feature makes it a suitable option for lightweight saving applications.
   • Homopolymer: 0.904 - 0.908 g/cm³
   • Random Copolymer: 0.904 - 0.908 g/cm³
   • Impact Copolymer: 0.898 - 0.900 g/cm³


3. Chemical Resistance
   • Excellent resistance to dilute and concentrated acids, alcohols, and bases
   • Good resistance to aldehydes, esters, aliphatic hydrocarbons, ketones
   • Limited resistance to aromatic and halogenated hydrocarbons and oxidizing agents


4. Flammability: PP is a highly flammable material.


5. PP retains mechanical & electrical properties at elevated temperatures. This occurs in humid conditions and when submerged in water. It is a water-repellent plastic.


6. PP has good resistance to environmental stress cracking.


7. It is sensitive to microbial attacks, such as bacteria and mold.


8. It exhibits good resistance to steam sterilization.

 

PP - Main Types & Their Comparison

What are the types of PP?

The major types of polypropylene available in the market are as follows:

Polypropylene Homopolymer

PP Homopolymer is the most widely utilized general-purpose grade. It contains only propylene monomer in a semi-crystalline solid form. Main applications include packaging, textiles, healthcare, pipes, automotive and electrical applications.
 

Polypropylene Copolymer

This family is produced by polymerizing propene and ethane. It is further divided into random copolymers and block copolymers.
 

1. PP Random Copolymer is produced by polymerizing ethene and propene together. It usually features ethene units up to 6% by mass. These units are randomly incorporated into the polypropylene chains. These polymers are flexible and optically clear. This makes them suitable for applications requiring transparency. Also, suitable for products requiring an excellent appearance.


2. While in PP Block Copolymer, ethene content is larger. It ranges between 5 and 15%. It has co-monomer units arranged in regular patterns or blocks. The regular pattern makes thermoplastic tougher and less brittle than the random copolymer. These polymers are suitable for applications requiring high strength, such as industrial usage.

The potential applications of PP homopolymer and PP copolymer are nearly identical. Because of their extensively shared properties, the choice between these two materials is often made based on non-technical criteria. Some of the non-technical criteria are described in the table below.
 

PP Homopolymer	PP Copolymer
High strength-to-weight ratio and stiffer & stronger than copolymer Good chemical resistance and weldability Good processability Good impact resistance Good stiffness Food contact acceptable Suitable for corrosion-resistant structures	Bit softer but has better impact strength; tougher and more durable than homopolymer Better stress crack resistance and low-temperature toughness High processability High impact resistance High toughness Not preferable for food contact applications

 

Polypropylene, Impact Copolymer

Propylene Homopolymer contains a co-mixed PP Random Copolymer phase. It has an ethylene content of 45-65%. It is useful in parts that require good impact resistance. Impact copolymers are mainly used in packaging, houseware, film, and pipe applications. They are also used in the automotive and electrical segments.
 

How to compare the main PP types?

 

Property	PP, Impact Copolymer	PP Copolymer	PP Homopolymer
Density, g/cm^3	0.9	0.9	0.9
Shore hardness, D	45-55	70-80	70-83
Stress at yield, MPa	11-28	20-35	35-40
Elongation at break, %	20-700	200-600	15-600
Tensile modulus, GPa	0.4-1	1-1.2	1.1-1.6
Notched impact strength ASTM D256, J/m	110-No Break	60-500	20-60
HDT A (1.8 MPa), °C	46-57	50-60	50-60
Minimum service temperature, °C	-40 to -20	-20 to -10	-20 to -10
UL94 fire rating	HB	HB	HB

How to compare PP derivatives?

 

Property	Thermoplastic Polyolefin	Talc Filled PP	Glass Filled PP	Long Fiber Reinforced Thermoplastic	Self-Reinforced PP
Density, g/cm^3	0.9-1	0.97-1.25	0.97-1.25	1.2	0.8-0.9
Shore hardness, D	10-99	75-85	70-88	-	-
Rockwell hardness, M	-	10-45	-	-	-
Stress at yield, MPa	-	22-28	19-70	-	-
Elongation at break, %	450-850	20-30	2-30	2	-
Tensile modulus, GPa	-	1.5-3.5	1-10	4-8	4-14
Notched impact strength ASTM D256, J/m	110-No Break	30-200	38-160	-	-
HDT A (1.8 MPa), °C	-	56-75	50-140	160	-
Minimum service temperature, °C	-40 to -20	-20 to -5	-30 to -5	-	-
UL94 fire rating	HB	HB	HB	HB	HB

What are the forms of PP films?

PP film is among the leading materials today. Used for flexible packaging as well as industrial applications. Two important forms of polypropylene films include:

 

Cast Polypropylene Film (CPP)

CPP is widely known for its versatility.
 

• Super resistance to tears & puncture
• Greater transparency
• Better heat resistance at high temperatures
• Excellent moisture and atmospheric barriers
• High permeability to water vapor
• Biaxially Oriented Polypropylene Film (BOPP)

How to process PP?

Polypropylene can be processed virtually by all processing methods. The most typical processing methods include:
 

Injection Molding with PP

The processing conditions for PP injection molding include:
 

1. Melt temperature: 200-300°C
2. Mold temperature: 10-80°C
3. Drying is not necessary if stored properly
4. High mold temperature will improve the brilliance and appearance of the part
5. Mold shrinkage lies between 1.5 and 3%. It depends on:
   • processing conditions, 
   • rheology of the polymer, and 
   • thickness of the final piece

Sustainability Aspect of PP
Is PP recyclable?
PP is 100% recyclable

All plastics have a 'Resin Identification Code/ Plastic Recycling Code' based on the type of resin used. PP's resin identification code is 5. PP is 100% recyclable. 


Polypropylene recycling process

The PP recycling process includes:

Melting waste plastic to 250°C to get rid of contaminants.
Removal of residual molecules under vacuum and solidification at approximately 140°C.

This recycled PP can be blended with virgin PP at a rate of 50%.


PP recycling - The main challenge

The main challenge in PP recycling is related to the amount consumed. Currently, 1% of PP bottles are recycled as compared to the 98% recycling rate of PET & HDPE bottles together.