In demanding industrial and commercial environments, material performance is non-negotiable. Standard materials often fail under stress, leading to downtime, safety concerns, and increased costs. Kaxite Sealing provides the definitive answer with our high-performance Phenolic Laminated Sheets. Engineered through a thermosetting process that bonds layers of resin-impregnated paper or fabric under high heat and pressure, this material transforms into a dimensionally stable, incredibly durable sheet with exceptional mechanical and electrical properties. It is the go-to material for applications requiring high strength, low moisture absorption, excellent electrical insulation, and superior machinability. From heavy-duty jigs and fixtures in aerospace manufacturing to insulating components in electrical switchgear, our Phenolic Laminated Sheets deliver consistent, reliable performance where it matters most.
Choosing Kaxite Sealing's Phenolic Laminated Sheets means investing in a material built for resilience and precision. Our sheets are manufactured under strict quality controls to ensure every batch meets the highest industry standards.
The following tables detail the standard specifications for Kaxite Sealing's Phenolic Laminated Sheets across our most popular grades. Custom formulations are available upon request to meet unique application challenges.
| Property | Test Method | Grade X (Paper Base) | Grade XX (Paper Base, Heat Resistant) | Grade LE (Linen Base) | Grade CE (Cotton Canvas) |
|---|---|---|---|---|---|
| Density (g/cm³) | ASTM D792 | 1.34 - 1.38 | 1.34 - 1.38 | 1.32 - 1.36 | 1.34 - 1.38 |
| Tensile Strength (MPa) | ASTM D638 | ≥ 85 | ≥ 80 | ≥ 75 | ≥ 90 |
| Compressive Strength (MPa) | ASTM D695 | ≥ 210 | ≥ 200 | ≥ 180 | ≥ 230 |
| Flexural Strength (MPa) | ASTM D790 | ≥ 110 | ≥ 105 | ≥ 100 | ≥ 120 |
| Impact Strength (Izod, J/m) | ASTM D256 | 0.35 - 0.50 | 0.30 - 0.45 | 0.80 - 1.20 | 1.50 - 2.50 |
| Water Absorption (24h, %) | ASTM D570 | ≤ 0.8 | ≤ 0.7 | ≤ 1.2 | ≤ 1.0 |
| Property | Test Method | Grade X | Grade XX | Grade LE | Grade CE |
|---|---|---|---|---|---|
| Continuous Service Temperature (°C) | - | 120 | 150 | 110 | 105 |
| Dielectric Strength (kV/mm, perpendicular) | ASTM D149 | ≥ 14 | ≥ 13 | ≥ 12 | ≥ 10 |
| Insulation Resistance (MΩ) | ASTM D257 | ≥ 10^5 | ≥ 10^5 | ≥ 10^4 | ≥ 10^4 |
| Comparative Tracking Index (CTI, V) | IEC 60112 | ≥ 175 | ≥ 150 | ≥ 125 | ≥ 100 |
| Grade | Standard Sheet Size (mm) | Common Thickness Range (mm) | Standard Color |
|---|---|---|---|
| Grade X, Grade XX | 1220 x 2440, 1000 x 2000 | 0.5 to 50.0 | Natural (Brown), Black |
| Grade LE | 1220 x 2440, 1000 x 2000 | 1.0 to 75.0 | Natural (Linen) |
| Grade CE | 1220 x 2440, 1000 x 2000 | 3.0 to 100.0 | Natural (Canvas) |
The versatility of Kaxite Sealing Phenolic Laminated Sheet makes it a critical material in numerous sectors. Its unique combination of properties solves complex engineering challenges.
What is the main difference between paper-based and fabric-based phenolic laminated sheets?
The core reinforcement material defines the key characteristics. Paper-based sheets (like our Grade X and XX) offer superior electrical insulation properties, smoother surface finish, and excellent machinability for intricate parts. Fabric-based sheets (like our Grade LE and CE) provide higher impact strength, better mechanical durability in shear, and improved resilience in high-vibration applications. The linen base (LE) offers a good balance, while cotton canvas (CE) provides the highest mechanical strength and impact resistance.
How do I choose the right grade for my application?
Selection depends on the primary performance requirement. For electrical insulation with precision machining, choose Grade X or XX (for higher heat). For structural parts needing good impact resistance, choose Grade LE. For heavy-duty mechanical applications like bearings or gears under high load, Grade CE is typically recommended. The Kaxite Sealing technical team can provide detailed guidance based on your specific load, environmental, and regulatory needs.
Can phenolic laminated sheets be used outdoors?
While phenolic laminated sheets have low moisture absorption and good dimensional stability, they are not typically recommended for prolonged, unprotected outdoor exposure. Ultraviolet (UV) radiation from sunlight can cause surface degradation and discoloration over time. For outdoor use, the sheets should be protected with a suitable paint, coating, or housed within an assembly that shields them from direct weathering.
What are the best machining practices for phenolic laminated sheets?
Use sharp, carbide-tipped tools for clean cuts. Employ moderate to high cutting speeds with slow, steady feed rates to prevent chipping, especially on the edges. Always use coolant or compressed air to dissipate heat and clear chips, as excessive heat can soften the resin locally. For drilling, backing material should be used to prevent breakout. Safety precautions, including dust extraction and personal protective equipment (PPE), are essential as machining generates fine dust.
How does the heat resistance of phenolic compare to other engineering plastics?
Phenolic laminated sheets generally offer higher continuous use temperatures (typically 120°C to 150°C for standard grades) than many thermoplastics like nylon or PVC. While some high-temperature thermoplastics (e.g., PEEK) can exceed this, phenolic provides this thermal performance at a significantly lower cost while maintaining its excellent dimensional stability and non-melting characteristic. Under heat, it will char rather than melt or drip.
Are Kaxite Sealing phenolic sheets compliant with industry standards?
Yes. Our manufacturing process and materials are designed to meet or exceed relevant international standards, including NEMA (LI 1, FR-2), IEC (60893), and ASTM specifications for laminated thermosetting materials. Specific grades can be certified for RoHS, REACH, and for certain applications, FDA or USDA compliance. Certificates of compliance and test reports are available upon request.
Can you supply custom-sized or fabricated parts?
Absolutely. Kaxite Sealing specializes not only in supplying standard and custom-sized sheets but also in providing precision-fabricated components. Our in-house machining capabilities allow us to deliver ready-to-install parts—cut to size, drilled, milled, turned, or finished to your exact drawings—saving you time, reducing material waste, and ensuring part accuracy.
For over two decades, Kaxite Sealing has been a trusted global supplier of high-performance engineered materials. Our commitment goes beyond just supplying product. We offer in-depth technical support, from material selection and design consultation to troubleshooting application challenges. Our state-of-the-art manufacturing ensures consistent quality, and our global logistics network guarantees reliable delivery. When you specify Kaxite Sealing Phenolic Laminated Sheets, you are choosing a partner dedicated to the success and reliability of your project.
Good Quality Bakelite Insulation Board is an early plastic material & thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with form aldehyde. Orange Red Bakelite Insulation Board is a hard dense material made by applying heat and pressure to layers of paper or glass cloth impregnated with phenolic resin, Bakelite phenolic sheet is produced in dozens of commercial grades and with various additives to meet diverse mechanical, electrical and thermal requirements, there are Don`t anti-static and Anti-static (ESD) of the Bakelite sheets, please kindly pay attention to this when you order.
Produced from a woven cloth which is thoroughly impregnated with a phenolic resin and cured,High Quality Bakelite 4ftx8ft Insulation Panel is a physically strong material which offers excellent mechanical strength and machinability.
Electrical Insulating Bakelite Sheet is made of phenolic resin and fabric paper.This product has higher mechanical property,water and heat resistance,more stable dielectric property after soaking. Specification:The thermal temperature is 150 ℃.The thickness is from 0.8-55mm,55mm and longer.The color is orange red and black.The density is 1.30-1.45g/cm³.The width is 1020mm,the length is 2040mm. Application:Electrical Insulating Bakelite is used as insulating structural parts for electric machines,apparatus equipment and oil transformer.
For Gasket Phenolic Black 1/4 Bakelite Sheet is a generic named material based on the thermosetting phenol formaldehyde resin.1/4 Inch Black Bakelite Sheet was the first plastic made from synthetic polymers.Insulation Black Bakelite Sheet was used for its nonconductive and heat-resistant properties in radio and telephone casings and electrical insulators. The retro appeal of old Black Bakelite Sheet products, especially kitchenware and toys, has made them quite collectible in recent years. Black Bakelite Sheet is a hard, dense material made by applying heat and pressure to layers of paper or glass cloth impregnated with synthetic resin. These layers of laminations are usually of cellulose paper, cotton fabrics, synthetic yarn fabrics, glass fabrics or unwoven fabrics. When heat and pressure are applied to the layers, a chemical reaction (polymerization) transforms the layers into a high-pressure thermosetting industrial laminated plastic.
High Temperature Resistance Bakelite Hylam Sheets is the combination of hard and high density material and impregnated paper using phenolic resin or fiber glass cloth and pressed under heat and pressure. This industrial laminate normally consists of fiber paper, cotton fabric, chemical fiber yarn and fiber glass, etc. When specific heat and pressure are applied to these layers, a chemical reaction combines the layers into a high-pressure thermosetting plastic.
Fabric Cotton Cloth Phenolic Resin Bar are manufactured by modified phenolic resin as binder and pure cotton fabric as reinforcement. Cotton Cloth Phenolic Laminate Resin Bar have exceptionally good heat resistance and will not creep under high temperature conditions.Phenolic Resin Bar Based Cotton Cloth are easy to machine and operate with less noise than metal in numerous gear and bearing-type applications. In addition, they do not spark when struck, so fabric cotton cloth phenolic resin bar can be used in explosion-proof environments.
