What is POM plastic material?
POM (also known as Saisteel, Trane). It is derived from the polymerization of formaldehyde and other raw materials. POM-H (polyformaldehyde homopolymer), POM-K (polyformaldehyde copolymer) is a high density, high crystallinity thermoplastic engineering plastics. It has good physical, mechanical and chemical properties, especially excellent friction resistance.
Why to add glass fiber to POM ?
After POM(polyformaldehyde) is added to glass fiber (glass fiber), its performance will change significantly, mainly including the following points:
| Properties |
Changes |
| Mechanical property |
1. Strength and rigidity are greatly improved |
| Heat resistance |
2. Heat resistance temperature increased significantly |
| Fatigue resistance |
3. Significantly improved fatigue resistance |
| Weather fastness |
4. Good performance stability in high and low temperature environment |
| Abrasion resistance |
5. Wear resistance is not affected, and increased surface roughness may become an advantage |
After adding glass fiber to POM, it has shown significant advantages in many aspects. These performance improvements make POM with glass fiber have a wider application prospect and potential in many fields.
| Grade |
Description |
Application |
| Unfilled grade |
Unreinforced POM resin for extrusion and injection molding |
Suitable for water pump impeller, gear housing, bearing, zipper, extrusion bar and so on |
| glass fiber reinforced grade |
glass fiber content 15%-30% |
Suitable for all kinds of mechanical parts . |
| Abrasion resistant reinforced grade |
Filler content 15%-30% |
Suitable for high strength and high abrasion resistant parts . |
| Conditive grade |
Filler content 5% -20% |
Suitable for anti-static and good mechanical transmission parts ,etc. |
| Carbon fiber reinforced grade |
cabar fiber content 10%-40% |
Suitable for good conductive and high strength parts . |
| MOS2 filling grade |
Filler content 2%-9% |
It is suitable thin-walled injection molded parts with high surface requiirements ,mechanical sliding parts with high self-lubricating requirements and low warpage products,etc . |
What are the difference between of homopolymer POM and copolymer POM ?
We call the monomer that makes up the plastic, and synthetic polymers are made of this compound (monomer) by chemical bonds to each other to form a polymer called homopolymer; Polymers polymerized by two or more monomers are called copolymers (copolymers). Polyformaldehyde resins are polymers that are interlinked between oxylene (CH2O)n-. Because the second monomer component (copolymerization component) is added to the seized steel, it is called copolymerization formaldehyde.
Due to the difference in molecular structure, homopolymer POM has higher crystallinity, melting point and mechanical strength, but poorer thermal stability; while copolymer POM has better thermal stability and processing performance, but slightly lower mechanical strength. In terms of applications, homopolymer POM is suitable for the production of high-precision, high-strength mechanical parts, such as gears, bearings, etc.; while copolymer POM is more suitable for the production of complex shapes, high dimensional stability requirements of products, such as electronic and electrical components, automotive interior parts, etc.
| Product name |
POM polyformaldehyde compound granules /pellets/chips |
| Appearance |
white ,black ,customized color |
| Advantages |
Enhanced mechanical properties
Improved heat and fatigue resistance
Excellent weathering performance
Improved abrasion resistance
Improved Flame Retardant Properties |
| Custom made service |
Yes ,we also provide the material according to you model and specification sheet , also provide technicial support . |
Injection molding process of POM granules :
1, Drying treatment
POM water absorption is small, generally 0.2%-0.5%. Under normal circumstances, POM can be processed without drying, but the wet raw materials must be dried. Drying temperature of 80 ºC or more, time more than 2 hours, specific should be carried out according to the supplier information.
2, POM has a significant melting point, homopolymerization POM is 175 ºC, copolymerization POM is 165 ºC. Molding, barrel temperature distribution: the front section of 190 ~ 200 ºC, the middle section of 180 ~ 190 ºC, the back section of 150 ~ 180 ºC, the nozzle temperature of 170 ~ 180 ºC. For thin-walled products, the barrel temperature can be increased appropriately, but not more than 210 ºC.
3, POM hygroscopicity is small, the resin can not be dried before processing. If necessary, in 90 ~ 100 ºC, dry 2 ~ 4h.
4, POM melt viscosity is sensitive to the shear rate. Therefore, to improve the melt fluidity, can not be used alone to improve the temperature, but also to improve the injection rate and injection pressure to start. Large gate, thick-walled short flow, small area of the product, the injection pressure of 40 ~ 80MPa; general products for about 100MPa. Small gate, thin-walled long flow, large area products, injection pressure is higher, 120 ~ 140MPa.
5, the mold temperature is usually controlled at 80 ~ 100 ºC, for thin-walled long process and complex shape products, the mold temperature can be increased to 120 ºC.
Sample policy
1. Providing a small kg of sample for testing with Freight Collect.
2. Sample Payment Can be T/T, Paypal, or Trade Assurance.
3. The sample can be Delivered within 3 days after confirmation.
4. Technical support during sample testing.
5. You can ship it by your courier or our SF, TNT, UPS, FEDEX, DHL, etc.
6. We can refund the sample fee when you place an official order later.
For more than 16 years, JULIER Technology Co., Ltd. has been a production, research and development, and sales organization that specializes in creating and developing different technical plastics. Modified plastics and raw materials are our specialty. We can give you a good price and deliver a lot of things quickly because we have our own factory.
We have extensive experience offering high-quality, reasonably priced alternative materials or customized plastic that meets customer needs. Our content is highly favored by clients from various nations.
The majority of plastics, raw materials, and modified reinforced resins available on the market, including PA6, PA66, PA12, PP, PC, PBT, ABS, TPU, PSU, POM, PC+ABS, and others, are produced by us.We can also alter it.
Our company is eager to work truly with businesses around the world to reach a win-win situation.
We have a factory in No.27, Hongxi road, Xiamen, Fujian, China of 5000 m2, with 7 production lines and the annual output is 35000 tons, worked for 18 hours per day in order to meet the requirement of the clients. We have quality control personnel staying on the production line to check. All products must be inspected before delivery. We conduct online checks and final checks.
In addition to the standard 25KG package, we also provide other size of packaging, 800-1250kg, if you need other needs, we can accept customized.
Delivery:
| By Express |
1kg-50kg |
| By Air |
50kg-500kg |
| By Sea |
500kg or more |
Exhibitions and customers show
After 14 years of foreign trade work, we have accumulated customers from many countries and regions, such as Europe, South America, the Middle East, Southeast Asia, etc. They are engaged in household appliances, automobiles, industrial, and other industries.
Q1.Are you manufacturer or trade company?
A.We are manufacturer and there are 3 family factories in Xiamen, Tianjin and Suzhou province
Q3.Is the sample available?
Yes, samples are available for you to check the quality with any quantity.
Q4.Is there the products tested before shipping?
Yes, of course. All of our products all will has been 100%QC before shipping. We test every batch every day.
Q5.How your quality guarantee?
We have 100% quality guarantee to customers. We will be responsible for any quality problem.
Q6.Can we visit your factory before place the order?
Yes,Very welcome that must be nice to set up good relationship for business.
If you need more information, please do not hesitate to contact me.
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