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Home > Specification for helmet belts

Specification for helmet belts

Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.

Why choose us

Solutions to meet different needs

Solutions to meet different needs

We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.

Highly specialized team and products

Highly specialized team and products

Professional team work and production line which can make nice quality in short time.

We trade with an open mind

We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.

24 / 7 guaranteed service

24 / 7 guaranteed service

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

Certificate of honor


CONTACT USCustomer satisfaction is our first goal!

Consultation hotline:0086-15900663312

Address:No. 3888, Hutai Road, Baoshan District, Shanghai, China

Specification for helmet belts

Polyethylene (PE) vs Polypropylene (PP)

Polyethylene (PE) vs Polypropylene (PP)

18/11/2011, · Polyethylene (,PE,) and Polypropylene (,PP,) are used in more than just poly bags. From stretch film to tape, plastic sheeting to strapping; plastic is everywhere. Check out the links below to shop our products and see how we can help you.

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The difference between PP bag and PE bag in plastic bag ...

The difference between PP bag and PE bag in plastic bag ...

Today we will talk about the ,difference between PP, bags ,and PE, bags. The so-called ,PP, bag is a plastic bag made of polypropylene. It is generally made of color printing, offset printing process, bright color, generally more woven bags, and ,PP, bag is a stretchable …

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Polypropylene (PP) vs Polyethylene (PET) Plastic

Polypropylene (PP) vs Polyethylene (PET) Plastic

PP, plastic resists heat from outside better than PET. At the same time, PET plastic resists cold from outside much better than ,PP,. Both ,PP, plastic and PET plastic have a wide range of temperature resistance and the superiority of one kind of plastic over the other kind of plastic is by thin margins.

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Polypropylene vs Polyethylene | Air Energy

Polypropylene vs Polyethylene | Air Energy

PP, vs ,PE, – Two Very Similar Pipes with Crucial ,Differences, In the compressed air and pipe systems industry, there is a long list of options. From the equipment designed for industry use to the press fittings that connect everything together, engineers and system builders have the luxury of choice.

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Difference Between Polyethylene and Polypropylene

Difference Between Polyethylene and Polypropylene

8/12/2015, · ,Difference Between, Polyethylene and Polypropylene Definition. Polyethylene is formed through the polymerization of ethylene monomer units.. Polypropylene is formed through the polymerization of propylene monomer units.. Physical Properties. Polyethylene is less rigid and more flexible.. Polypropylene is quite rigid.. Translucency. Polyethylene is a translucent material.

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Polypropylene vs. Polyethylene: How Are They Different ...

Polypropylene vs. Polyethylene: How Are They Different ...

26/7/2019, · Compared to ,PP,, ,PE, is more flexible than rigid, which gives it better ductility and impact strength. It also has good moisture resistance and is a good electric insulator. Limitations. Similar to ,PP,, ,PE, exhibits poor resistance to UV radiation and is highly flammable.

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Performance Differences Between PP and PE - Morn Packaging ...

Performance Differences Between PP and PE - Morn Packaging ...

Performance ,Differences Between PP and PE, From heat resistance, the heat resistance of polypropylene is higher than that of polyethylene. Usually, the melting temperature of polypropylene is about 40%~50% higher than that of polyethylene, which is about 160-170 ℃.

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Performance Differences Between PP and PE - Morn Packaging ...

Performance Differences Between PP and PE - Morn Packaging ...

Performance ,Differences Between PP and PE, From heat resistance, the heat resistance of polypropylene is higher than that of polyethylene. Usually, the melting temperature of polypropylene is about 40%~50% higher than that of polyethylene, which is about 160-170 ℃.

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Difference Between Polyethylene and Polypropylene

Difference Between Polyethylene and Polypropylene

8/12/2015, · ,Difference Between, Polyethylene and Polypropylene Definition. Polyethylene is formed through the polymerization of ethylene monomer units.. Polypropylene is formed through the polymerization of propylene monomer units.. Physical Properties. Polyethylene is less rigid and more flexible.. Polypropylene is quite rigid.. Translucency. Polyethylene is a translucent material.

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Difference Between Polypropylene and Polyethylene ...

Difference Between Polypropylene and Polyethylene ...

11/1/2020, · Key ,Differences,. Polypropylene is abbreviated as ,PP, and polyethylene is commonly referred to as ,PE,. Polypropylene is the second most used plastic commodity in the world and polythene is the first. ,PP, is very much cheap ,and PE, is very expensive. Polypropene has a higher melting point than polyethylene. Polypropylene is less sturdy than polyethylene.

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