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High-Quality Rubber Plate T5, 100mm, Polyurethane PU

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Product details
High-Quality Rubber Plate T5, 100mm,Polyether polymer sheet
 
Polyurethane sheet, as a key category in high-performance polymer material systems, is rooted in the dynamic chemical reaction network construction of isocyanates and polyols in a specific catalytic system. This material achieves multiple tunability of microstructure through molecular design - Hard segments are derived from rigid aromatic or aliphatic isocyanates, forming physical cross-linking nodes and ordered regions, endowing the material with high strength, high modulus, and good dimensional stability; Soft segments rely on polyether or polyester polyols to construct flexible segments, which impart excellent resilience, flexibility, and low-temperature impact resistance to the material through segment motion. This molecular structure that combines rigidity and flexibility enables PU sheets to break through the limitations of traditional plastics in terms of single dimensional performance. Its density can be gradient controlled across the range of 0.01~1.2 g/cm ³, and its tensile strength at room temperature is maintained in the range of 25~70 MPa, with a wide temperature range adaptability from -60 ° C to 120 ° C. Molecular dynamics simulations have confirmed that PU materials can store energy through entropy elasticity in soft segments and dissipate energy through hydrogen bonding networks in hard segments during stress deformation, forming a unique energy absorption mechanism (loss factor tan δ ≈ 0.1~0.3) that exhibits excellent fatigue resistance under dynamic loads.
pu sheet4
PU Polyether Sheet

Product Performance

Physical and mechanical properties

Density range: 30-800 kg/m ³ (adjustable according to foaming rate), high-density models are close to the strength of engineering plastics.

Compressive strength: 0.2-50 MPa (rigid PU), excellent elastic modulus, superior to foam materials such as EPS/XPS.

Tensile strength: Hard PU can reach 3-8 MPa, and soft PU has a tensile rate of 300% -800%.

Thermal Properties

Thermal conductivity: 0.018-0.035 W/(m · K), belonging to high-efficiency insulation materials (better than mineral wool and glass fiber).

Temperature resistance range: -60 ℃ to+120 ℃ (standard type), high temperature modified models can reach up to 180 ℃ (if aromatic ring structure is added).

Chemical stability

Oil and solvent resistance (excluding weakly polar solvents), resistance to weak acids/bases, and hydrolysis stability tested according to ASTM D2849.

UV resistance requires the addition of light stabilizers (such as HALS), otherwise it is prone to yellowing (surface treatment is required for outdoor use).

Other characteristics

Flame retardant rating: Through UL94 HB-V0, adding flame retardants (such as phosphorus based and expansion type) can reach B1 level (GB 8624).

Acoustic performance: The sound absorption coefficient of perforated PU is 0.6-0.9 (500Hz), and the sound insulation of closed cell PU is ≥ 25dB.

 

pu plastic sheet

Product advantages

Comparison item

 Advantages of polyurethane sheet

 

 3-5 times higher strength, 20% lower thermal conductivity, fluorine free foam environmentally friendly (HFO system)

Vs. Rubber

 Better wear resistance (Taber test weight loss<50mg), ozone aging resistance

Vs. Metal

 Weight reduction of 40% -60%, sound insulation effect improved by 2-3 times

Process advantages

 can be spray formed on site (such as pipeline insulation), strong adhesion (peel strength>5N/mm)

pu sheets

 

 
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Address: Dongguan, China


Main Product: Nylon Sheet , PE Sheet, PP Sheet, PEEK Sheet, POM Sheet, PTFE Sheet

Disclaimer:
The information of 2bvideo.com limited shown above is provided by the user or collected on the network. Video 2B does not guarantee the authenticity,accuracy and legitimacy of 2bvideo.com limited information. Video 2B does not involve legal relationships and disputes between users arising from transactions other than secured transactions on this website. Disputes shall be settled by you through negotiation. If you are the person in charge or relevant employee of this enterprise, if you find that the enterprise information is incorrect or want to manage thiscompany, please contact us jacklee1558@gmail.com, after you claim the enterprise, you can obtain management permission, publish supplyand demand information, bring consulting orders, and remove page advertisements.
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