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Polyurethane

 

korea polyurethane

※ About Product

Polyurethane is plastic created by reaction of addition of multi-sensual Isocyanate polymer to chemical matters with two or more OH.
The term polyurethane was created from here because polymers formed in the above polymer addition reaction forms urethane faults. Polyurethane products are classified into UREA, AMIDE, BIURET, ALLOPHANATE, ETHER and ESTHER depending on urethane combination, and they are general names of polymers with different structures.

 
※ Features
01. We can make products satisfying customers'needs, from hard goods to flexible goods and foaming goods to unfoaming goods, by diversely and widely changing composition.
02. Plastic has high tensile strength, but a low extension rate. Rubber has a high extension rate, but low tensile strength. Urethane has both high tensile strength and extension rate. Due to such mixture, urethane becomes to have its independent strength and durability.
 
korea polyurethane
 
※ What is an urethane?
Hard urethane foam which is a foaming product gotten by mixing Balpumje, catalysts, stabilizers and flame retardant materials with the theme of polyol and isocyanate is mainly used as highly effective insulating materials and widely used in industries as heating and cooling insulating materials, in particular.
 
※ Features of urethane
Compared with other insulating materials, hard urethane foam has many advantages, such as good insulating property, high compressive strength, self-adhesiveness and easy manufacturing.
 
※ Where to use
Hard urethane foam which is a foaming product gotten by mixing Balpumje, catalysts, stabilizers and flame retardant materials with the theme of polyol and isocyanate is mainly used as highly effective insulating materials and widely used in industries as heating and cooling insulating materials, in particular.
 
※ Features of urethane
01. Home appliance
- Refrigerators, freezers, show cases, vending machines, ice boxes
02. Construction
- Insulation of roof, ceiling, wall and floor, water pipes, pipes
- House equipment insulation (bathtubs, solar dust collectors)
- Heat insulators, insulation repair materials
03. Warehouse and factory
- Cold (cool) storage, isothermal-isohumidity factory
- Gas injection airtight warehouse
-Secret storages made with assembly panels
04. Railroad and vessel
- Insulation of train floors, ceilings and walls
- Insulations of freezer vessels and LNG vessels
05. Others
- Insulation of fuel tanks for satellite rockets
- Core material for ski and snow boats
- Core material for bowling balls
- Packing material for electronics parts
 
※ Polyurethane Roller
 
※ Features
01. Used for office machines, refineries, paper companies, transportation machines, farming machines and printing machines
02. Used in the temperature of -50℃ ~ -80℃.
03. Provide excellent working environment due to heavy weight, abrasion-resistance, rain-resistance and chemical-resistance and low creation of particulates and noise
 
※ Polyurethane Coupling
 
※ Features
01. Provide high power to important operation parts of precision machines and place requiring long work
02. As this product is good in absorbing oscillation, it mainly is used at places moderating oscillation.
03. Good in oil-resistance, chemical-resistance and water-resistance
04. Can be easily used for automatic processes
 
※ Polyurethane Spring
 
※ Features
01. Prevent noise and make non-lubricated situation
02. Make a spring naturally support weight and stabilize lines
03. Have many advantages being diversely used to replace existing metal springs
04. Good in oil-resistance and chemical-resistance, can be applied for various purposes and provide stable working environment
 
※ Polyurethane Packing
 
※ Features
01. Maintaining mechanical nature gives elasticity to protect performance
02. Have excellent oil-resistance, water-resistance and abrasion-resistance, and can protect performance for a long time
 
※ Applications
01. Automotive valve surface, inhaling pump flange, electromagnetism breaker
02. Water-soluble pumps, Various work palettes, Breaker switch corks
 
※ Temperature range for applications
01. Air temperature: -40℃~+120℃
02. In oil: -40℃~+400℃
03. Under water: ~+35℃
 
※ Polyurethane Inserts
 
※ Features
01. Good for preventing oscillation and noise
02. Good property and long life help smooth operation
03. High elasticity enables smooth operation, reducing the working time
 
※ Applications
01. For ball joint parts of agricultural ring gauge and machine components
 
※ Temperature range for applications
01. -40℃ ~ +100℃
 
※ Polyurethane Extract
 
※ Features
01. Lengthen life by protect mechanical functions and contributing to smooth operation
02. Can be used for foods requiring cleanliness, medical products and machine parts for processing
03. Can be used in low temperature because of not losing excellence in low temperature
04. Can replace metal because of the property of not being eroded
05. Can be used for all materials to be used as insulation as not making electric reaction
 
※ Polyurethane Conveyor
 
※ Features
As urethane is used after being coated to stell rollers of automatic transportation lines, it is good for preventing shocking and damage of goods.
 
 
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O-YANG PRODUCT

O-YANG PRODUCT

985-17, Jangdeok-dong, Gwangsan-gu, Gwanju / TEL : +82-62-953-0006 / Fax : +82-62-955-0030
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