In the demanding world of industrial sealing and gasketing, achieving a perfect, leak-proof seal is not just a requirement—it's an imperative for safety, efficiency, and operational longevity. That's where the precision engineering of Compression Sheets from Kaxite Sealing comes into play. Designed for professionals by professionals, our compression sheets are the cornerstone of reliable sealing solutions across countless applications, from piping and flanges to heat exchangers and chemical processing equipment. Unlike standard gasket materials, a compression sheet is engineered to withstand extreme pressures and temperatures while maintaining its integrity, ensuring a secure seal that lasts.
Kaxite Sealing has dedicated decades to mastering the science of compression. Our sheets are not merely cut from a roll; they are the result of rigorous material science, advanced manufacturing processes, and relentless quality testing. We understand that the margin for error in critical sealing applications is zero. Therefore, every Kaxite Sealing compression sheet is produced to exacting standards, offering predictable compression and recovery characteristics that engineers and maintenance crews can depend on. Whether you're facing high-pressure steam, aggressive chemicals, or fluctuating thermal cycles, our product range provides a tailored answer.
Choosing the right sealing material directly impacts downtime, maintenance costs, and system safety. Here's why industry leaders specify Kaxite Sealing:
To make an informed selection, precise technical data is crucial. Below are the detailed specifications for our flagship compression sheet series. All data is derived from standardized ASTM tests to ensure comparability and reliability.
| Product Series | KX-750 (Standard Duty) | KX-1500 (High-Temp) | KX-Chem (Chemical Resistant) | KX-ASBE (Non-Asbestos Organic) |
|---|---|---|---|---|
| Primary Composition | Aramid fibers, NBR binder | Graphite foil, Inconel wire insert (optional) | PTFE-impregnated fibers, elastomeric binder | Cellulose & synthetic fibers, SBR binder |
| Color / Standard Thickness | Black / 1/32", 1/16", 1/8" | Gray / 1/16", 1/8", 1/4" | White / 0.8mm, 1.5mm, 3.0mm | Blue / 1/16", 1/8" |
| Temperature Range (Continuous) | -40°F to 750°F (-40°C to 400°C) | -450°F to 1500°F (-268°C to 815°C) | -100°F to 500°F (-73°C to 260°C) | -20°F to 400°F (-29°C to 204°C) |
| Max Pressure (PSI / bar) | 2,000 PSI / 138 bar | 2,200 PSI / 152 bar | 1,500 PSI / 103 bar | 1,200 PSI / 83 bar |
| Density (lb/in³ / g/cm³) | 0.055 / 1.52 | 0.080 / 2.21 | 0.070 / 1.94 | 0.048 / 1.33 |
| Compression Set (ASTM F36) | < 15% | < 10% | < 20% | < 25% |
| pH Range Resistance | 2 - 12 | 0 - 14 (inert) | 0 - 14 (highly inert) | 4 - 10 |
| Typical Applications | General purpose, water, steam, oil | Boiler doors, exhausts, high-heat flanges | Chemical reactors, pharmaceutical, food grade | Low-pressure water, air, fuel oil |
How do I select the right compression sheet for my application?
The selection is primarily driven by the media (chemical compatibility), temperature, and pressure of your system. Start by matching these three factors to our product table. For steam service, KX-750 is often ideal. For aggressive acids or caustics at moderate temperatures, KX-Chem is the choice. Always consult our engineering datasheets or contact our technical support for critical applications.
What is the proper way to store compression sheets before use?
Kaxite Sealing compression sheets should be stored in a cool, dry place away from direct sunlight, extreme temperatures, and humidity. They should be kept flat, not rolled or folded, to prevent permanent deformation. Store them on a flat shelf or pallet, and keep them in their original packaging until ready for use to prevent contamination.
Can I reuse a gasket made from a compression sheet?
No, gaskets cut from compression sheets are designed as single-use components. During the bolting process, the material compresses and conforms to the specific imperfections of the flange faces. Reusing a gasket will not provide the same level of seal integrity, as the material has already undergone compression set and taken a permanent set. Always install a new gasket for a reliable seal.
What is the recommended bolt torque for flanges using these sheets?
Bolt torque depends on the flange rating, size, and gasket material. A general guideline is to use a star-pattern tightening sequence and torque in multiple incremental passes (e.g., 30%, 60%, 100% of final torque) to ensure even compression. For specific torque values, refer to ASME PCC-1 guidelines or consult the Kaxite Sealing technical manual for our material-specific compression stress recommendations. Over-torquing can damage the sheet and the flange.
How do I handle and cut compression sheets safely?
Wear appropriate personal protective equipment (PPE) such as gloves and safety glasses. For cutting, use sharp utility knives, shears, or clicker presses for production. Ensure your cutting surface is clean. When cutting, support the sheet fully to prevent bending or cracking. For intricate shapes, creating a cardboard template first is recommended. Always follow standard workshop safety procedures.
Are Kaxite Sealing compression sheets suitable for potable water or food contact applications?
Our KX-Chem series, with its PTFE-impregnated formulation, is manufactured to meet FDA CFR 21.177.1550 standards for indirect food contact. For potable water, it is also certified to NSF/ANSI 61. Always verify the specific product data sheet and certification for your region and application requirements.
What is the difference between a compression sheet and a spiral-wound gasket?
A compression sheet is a homogeneous, cuttable material used to fabricate full-face or ring gaskets. It compresses uniformly. A spiral-wound gasket is a composite structure of metal windings and filler material (which can be similar to a compression sheet), designed primarily for raised face flanges. It offers high resilience and spring-like recovery. Compression sheets are more versatile for fabrication, while spiral-wounds are often specified for higher-pressure/temperature ANSI flanges.
How does flange surface finish affect the performance of your sheets?
Flange surface finish is critical. A typical serrated finish (125-250 µin Ra) provides optimal bite and sealing for compression sheets. Finishes that are too smooth may not provide enough grip, leading to creep. Finishes that are too rough can cause excessive material extrusion into the grooves. We recommend a flange finish between 125-250 microinches Ra for best results with our products.
