Youli Glue Spring Glue Polyurethane Elastomer PU Rod Shaft Sheet Roll

Product Description

PU: thermosetting polyurethane elastomer for short PU, English name Casting Polyurethane, commonly known as Youli glue, spring glue, is made up of polymer polyol and different Cyanate ester reaction, chain extension, a new synthetic material between plastic and rubber.
According to the different backbone structure of polyurethane elastomer, it is divided into polyether Type and Yukalac type of two kinds
Polyether-type PU rod: English name Polyether urethane. Polyether-type polyurethane occupies the main role in polyurethane, mainly because of the polyether viscosity Small and easy to operate. Polyether is better than polyester in its resilience, moisture evaporation, low temperature performance, impact strength, heat accumulation, water resistance and mold resistance .
Polyester PU rod: English name Polyester polyurethane, compared with polyether, mechanical strength, tensile strength, tear strength, sliding friction, resistance Oil properties, thermal aging, metal adhesion, solvent resistance and oxidation resistance are better than the polyether type. However, the polyester viscosity is large, and the operation is more difficult.
Characteristics: PU rod has chemical corrosion resistance, tensile strength, high elasticity, high pressure load resistance, high wear strength, strong shock absorption, tear resistance, radiation resistance, high strength, High bearing and shock oning and other good performance. High elasticity can be maintained in a wide hardness range (Shaw A10 to Shaw D75). Its excellent and unique comprehensive performance It is not available with ordinary plastic and rubber.
Application field: suitable for metallurgy, mining, petroleum, automobile, building materials, sports, heavy machinery, large stamping equipment damping pad, pad, spring, and do a variety of punching die of metal plate and pipe. Universal mechanical equipment friction, cushioning or shock absorption, is ideal for mold spring
Polyether-type polyurethane (common PU) Specific
gravity: 1.15g / cubic cm 3
Hardness: 90A
Tensile strength: 30 Mpa
Tear strength: 65 KN/m
Pull the elongation rate: 445%
Acclone asion: 0.029cm³/1.61km
Used temperature: -35~50ºC
Bearing capacity: 10.5Mpa (approximately 25% compression)
Polyester polyurethane (high wear PU) Specific
gravity: 1.25g / cubic cm 3
Hardness: 90A
Tensile strength: 53Mpa
Pull the elongation rate: 548%
Permanent deformation value: 34% (70 C 22 hours)
Acclone asion: 0.014cm3/1.61km
Use temperature: -40 to 60
Bear capacity: 10.5Mpa (approximately 25% compression)
Advantages of Polyurethane When Compared to Conventional Materials

...vs. Rubber	...vs. Metal	...vs. Plastic
High abrasion resistance High cut & tear resistance Superior load bearing Thick section molding Colorability Oil resistance Ozone resistance Radiation resistance Broader hardness range Castable nature Low pressure tooling	Lightweight Noise reduction Abrasion resistance Less expensive fabrication Corrosion resistance Resilience Impact resistance Flexibility Easily moldable Non-conductive Non-sparking	High impact resistance Elastic memory Abrasion resistance Noise reduction Variable coefficient of friction Resilience Thick section molding Lower cost tooling Low temperature resistance Cold flow resistance Radiation resistance

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