Frequently Asked Questions
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PTFE (polytetrafluoroethylene) coated fabrics are materials—often fiberglass or other high-performance textiles - coated with a layer of PTFE. This coating delivers non-stick, chemical-resistant, and high-temperature properties. These fabrics are available in various thicknesses, surface finishes, and grades, tailored for applications ranging from food processing and packaging to industrial release sheets and gaskets.
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Non-stick surface for easy release and cleaning.
High temperature resistance (operating up to ~260°C).
Outstanding chemical and UV resistance.
Excellent electrical insulation.
Durability and dimensional stability, even under stress.
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Food processing (release sheets, conveyor belts)
Heat sealing and packaging
Gasket materials
Electrical insulation
Composite bonding in electronics and manufacturing
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PTFE coated tapes are pressure-sensitive adhesive products comprised of PTFE film or PTFE-coated fabric with a silicone or acrylic adhesive backing. They are non-stick (ideal release surfaces), chemically resistant, tolerate continuous high temperatures, and provide electrical insulation.
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As release liners in packaging and laminating.
In heat sealing machines.
As a low-friction, non-stick wrapping for wires and cables.
In masking applications during thermal spraying due to their heat and abrasion resistance
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PTFE belts are conveyor belts made from PTFE-coated glass fabrics, offering excellent non-stick, durability, and resistance to extreme heat. They are commonly used in food, textile, and industrial drying applications where high performance and longevity are vital.
Key features of PTFE belts:
Non-stick and easy to clean
Suitable for extremely high and low temperatures (from -150°C up to 260°C)
Non-flammable and fire resistant
Chemically inert and resistant to most substances
Available in various thicknesses and widths.
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Silicone foam is a chemically expanded, closed-cell material made from silicone rubber. It is valued for its vibration damping, thermal insulation, weather resistance, and ability to operate over a wide temperature range (-70°C to 260°C). It is available in sheets, strips, pads, or custom profiles and is used for gaskets, cushioning, soundproofing, and sealing.
What are the main uses of silicone foam?
Gasketing and sealing in automotive, electronics, and industrial devices
Cushioning and impact absorption
Insulation in high-temperature environments
Flame and UV resistance for outdoor uses.
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Silicone rubber is a solid material (available in solid or sponge variants) prized for its flexibility, extreme temperature tolerance, and inertness. Silicone foam differs by its closed-cell expansion, providing additional compression, low weight, and insulation characteristics.
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Brown International Ltd is a family-owned New Zealand business with over 50 years of experience, specializing in the distribution of high-quality PTFE (Teflon) and silicone products. We are the exclusive NZ distributor for Saint Gobain Performance Plastics, Tape Solutions, Versiv Composites, and Taconic, serving a wide range of industries with expert technical support and custom solutions.
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We proudly supply polymer products to diverse markets including aerospace, energy, industrial manufacturing, food, electronics, healthcare, consumer goods, and safety sectors across New Zealand.
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Our product range includes PTFE tapes, coated fabrics (silicone and Teflon coated fiberglass), silicone rubber in solid, sponge, and foam forms, as well as pressure-sensitive adhesive tapes. We also provide custom slitting services to meet specific client requirements.
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Yes, Brown International provides 24/7 technical support to help customers select the right products and optimize their applications. Our team’s extensive expertise ensures tailored solutions and ongoing assistance.
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You can contact our sales team directly via email at sales@browninternational.co.nz or reach out through the contact form on our website. Our team is ready to discuss your requirements and provide pricing information.
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Lead times vary depending on product availability and order size. Please contact our sales or support team for specific delivery estimates tailored to your needs.
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Our commitment to service excellence, technical expertise, competitive pricing, and long-term partnerships distinguishes us. As a family-owned business, we prioritize building lasting relationships and providing unrivalled support to help New Zealand industry thrive.
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We exclusively distribute products from world-leading manufacturers like Saint Gobain, ensuring the highest standards of quality and performance. Our technical team also assists in quality assurance and product application.
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For technical inquiries, please email support@browninternational.co.nz. Our knowledgeable staff are available to provide expert advice and troubleshoot application challenges.
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Brown International is based in New Zealand, serving clients nationwide with local expertise combined with global innovation.