Hot Melt Powder LDPE for Shoes

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 20 Kilograms kg

Supply Capability:: 10000 Tons per Year kg/month

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Detailed Product Description

LDPE is used in interlining of women and children's wear, shoes, hats and non-woven.

Specification:

Type: HT-L50

Melting range: 108-115oC

Melt-index: 50(g/10min)

Density: 0.915(g/cm3)

Particle Size:

0-200um Powder dot

80 -300um Powder scattering

200-300um Powder scattering

Bonding condition:

Temperature: 135-155oC

Pressure: 0.3-1.5(kg/cm2)

Time: 10-15S

Washing resistance:

1) 40oC: Excellent

2) 60oC : Satisfactory

Q: What kind of material is the plastic bag commonly used in supermarkets now?: Then there are some composite materials, such as the very delicate packaging (milk powder and the like), usually OPP and nylon composite.

Q: What are the plastic bags made of?: General civilian products, mostly polyethylene (PE) to do, PE is divided into low pressure high-density HDPE, low pressure high-density LDPE and linear low-density LLDPE

Q: Can PE material be used as food grade plastic?: Yes, of course, but the raw material suppliers have already divided the ingredients into food grade, and they will be used in non food occasions to contain substances harmful to the bodyFor human health, please choose food grade PE materials, and note that the highest temperature can not exceed the manufacturer's maximum limit, otherwise the material will appear unstable, resulting in harmful substances

Q: Dissolve in 0.3 of the LDPE plastic raw materials what?: The molecular structure of the conventional LLDPE is characterized by its linear backbone, with only a few or no long branched chains, but contains some short branched chains. Without long branched chains, the crystallinity of polymers is higher.In general, LLDPE resins are characterized by density and melt index. The density is determined by the concentration of comonomer in the polymer chain. The comonomer concentration determines the short branch chain in the polymer. The length of the short branched chain depends on the type of comonomer. The higher the concentration of comonomer, the lower the density of the resin. In addition, the melt index is a reflection of the average molecular weight of the resin, mainly determined by the reaction temperature (solution method) and the addition of chain transfer agents (gas phase method). The average molecular weight is independent of the molecular weight distribution, and the latter is mainly influenced by the type of catalyst.

Q: What type of raw material is used in plastic bags? The brightness is good. It blows out as bright as a mirror! That kind of transparency!: LDPE high pressure 2424H, Lanzhou petrochemical, LLDPE, 7042N, Lanzhou petrochemical. Transparency can reach 90%. The temperature should be controlled during blowing.

Q: What are the main biodegradable plastic bags made of?: Biodegradable plastics(1) natural polymer modification method. Starch, cellulose, chitin, lignin, seaweed and other natural polymers as raw materials, through chemical modification and copolymerization method, these molecules were modified to synthesize biodegradable plastics.(2) chemical synthesis. The simulation of natural polymer structure, starting from simple water molecules, in the polymer chain of plastic with active groups such as amide, peptidyl, ester compounds containing these radicals, similar to natural protein structure, fragments of grease, easily biodegradable.(3) microbial fermentation, many microorganisms can take some organic substances as carbon source, through metabolism, secrete, produce polyester polymer, these molecules are easy to degrade, and can be further recycled.

Q: What are the raw materials of plastics made of?: Synthetic resin refers to coal, petroleum, natural gas, calcium carbide and some agricultural products as the main raw material, the low molecular weight compounds prepared firstly has certain synthetic conditions (monomer), and then through chemical and physical methods for the synthesis of high molecular compound. The characteristics of this kind of compounds similar to natural resin (such as rosin, shellac, amber, etc.), but the performance and more superior than the natural resin.

Q: What is the difference between ABS plastic raw materials and recycled materials? Or how to distinguish between raw materials and recycled materials?: 1. recycled material is not natural (ABS is yellow).2. non black pellets with black spots are recycled.3. the impurity in the aggregate is the recycled material.4. of the voids in the pellets are recycled.5. do MFI test, the result is more than 10% of indicators are recycled material.6., feed heating, smell, smoke, melting temperature is low, fast flow is recycled material.

Q: What are the raw materials for vest plastic bags?: Polyvinyl chloride, referred to as PVC, and the formula is (CH2 - CH2) n, is the most important kind of vinyl polymer, is the world's second largest plastic varieties after polyethylene. In China, the yield is the first in plastics. In the printing industry, packaging production of books, folders, tickets and other frequently used PVC calendered film cover color and transparent glazing film.

Q: How to test plastic raw materials?: Contrast the appearance quality of raw materials, separately open 1~2 bags, take out a little plastic particles, contrast the size and color of the plastic particles in each bag. And compare the same batch of plastic particles with the previous batch. There were no obvious differences in the color and graininess of the raw material particles in different packaging bags and batches

We use advanced technology and inspection instruments and employs an experienced management team to make sure the products reaching the international level.We promise high quality, competitive prices, prompt supply of goods and perfect service. We welcome new and old customers to visit our company and negotiate business. We hope that our enthusiasm and profession can create business opportunities for you.

1. Manufacturer Overview

Location	Zhejiang,China
Year Established	2000
Annual Output Value	Above US$100 Million
Main Markets	70.00% Domestic Market 7.00% Southeast Asia 7.00% Western Europe 3.00% Southern Europe 3.00% South Asia 2.00% Northern Europe 1.00% North America 1.00% South America 1.00% Eastern Europe 1.00% Africa 1.00% Oceania 1.00% Mid East 1.00% Eastern Asia 1.00% Central America
Company Certifications	ISO 9001:2008;ISO 14001:2004

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Ningbo,Shanghai
Export Percentage	21% - 30%
No.of Employees in Trade Department	6-10 People
Language Spoken:	English, Chinese
b) Factory Information
Factory Size:	30,000-50,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range	Low and/or Average