Bakelite sheet
2 month ago
The resin permeates the layers and binds everything together into a hard, stiff sheet form. Bakelite sheets demonstrate the same iconic properties as molded Bakelite but in a flat panel form.
3021 plastic sheet Some key characteristics include:
High Mechanical Strength: orange bakelite material sheets have very good tensile and compressive strength due to the thermosetting nature of the resin. They are rigid and hold form under load.
Heat and Flame Resistance: One of Bakelite’s most desirable traits is its high heat resistance of up to 250°C before softening. It also has low flammability and will self-extinguish when removed from a flame.
Electrical Insulation: Bakelite sheet is an exceptionally good electrical insulator and was vital for early 20th century electrical devices. The sheets provide complete dielectric insulation.
Chemical Resistance: Bakelite sheet offers good resistance to acids, alkalis, solvents and other chemicals. It has low water absorption as well.
Dimensional Stability: Fully cured Bakelite sheet maintains its shape over time and has low creep. The sheets provide stable long-term dimensions.
Machinability: Bakelite sheet can be readily machined, cut, drilled, stamped, milled,polished, engraved, and more with standard metalworking tools.It can be turned into various shapes and sizes.
Colorability: Bakelite sheet resin can be produced in various colors by adding mineral or wood filler pigments. Patterned sheets are also possible.
These well-balanced physical and electrical properties make Bakelite sheet a very versatile and useful plastic sheet material for all sorts of demanding applications. It offers a unique set of strengths compared to natural materials like wood, rubber and metal alloys.It know as 3021 bakelite sheets cutting all size for your need.
3021 plastic sheet Product advantages
Excellent insulation: volume resistivity > 10¹⁵Ω·cm, dielectric strength 15-20 kV/mm.
High temperature resistance: continuous use temperature 150-200°C, short-term resistance 300°C.
High mechanical strength: tensile strength 30-50 MPa, impact resistance and wear resistance.
Corrosion resistance: resistant to strong acids, strong alkalis, organic solvents and high-temperature steam.
Dimensional stability: water absorption <0.1%, low thermal expansion coefficient (2-3×10⁻⁶/℃).
Economical: low cost, easy to process, suitable for mass production.
Insulated Bakelite Board
Why choose bakelite?
Core material for electrical insulation: The first choice for high insulation scenarios such as circuit breakers and insulators.
Arc resistance: Excellent arc flame retardancy, suitable for high-voltage switchgear.
Lightweight metal alternative: Density 1.3-1.5 g/cm³, 30% lighter than aluminum, reducing inertial load.
Low-cost solution: Compared with engineering plastics such as PEEK and PEI, the price is more lower.
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