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High Temperature Packing Sealer HT300 from your private label producer

Our HT300 High Temperature Gasket Sealant is a high-performance, acetoxy-curing silicone sealant developed for creating durable, elastic gaskets between components exposed to elevated temperatures. It cures through exposure to atmospheric moisture to form a permanently elastic and temperature-resistant seal.

Manufactured in our own production facility in the Netherlands, HT300 is available under your own private label. The high-temperature silicone sealant provides good resistance to mineral oils, diluted acids, UV exposure and weathering, making it suitable for a wide range of automotive, mechanical and industrial sealing applications.

  • Temperature resistant up to +300°C
  • Ideal for forming elastic gaskets and seals
  • Permanently elastic after curing
  • Good adhesion to common metal substrates
  • Good resistance to mineral oils and diluted acids
  • UV and weather resistant
  • Suitable for automotive, mechanical and industrial applications

Looking for a Private Label High Temperature Gasket Sealant Manufacturer?

Looking for a reliable private label manufacturer of high-temperature silicone gasket sealants? We manufacture HT300 in-house in the Netherlands for professional gasket making, engine, pump, machinery and industrial assembly applications.

Available in both cartridges and foil sausages, HT300 can be supplied fully under your own private label. With minimum order quantities starting from just one pallet, consistent European production quality and flexible private label possibilities, we help automotive and industrial brands create their own professional range of high-temperature gasket makers and silicone sealants.

  • BaseAcetoxy
  • Density0.98 g/ml
  • Skin formation timeApprox. 20 minutes
  • Full cure2 mm per 24 hours
  • Shore A hardness24
  • Tensile strength1.25 N/mm²
  • Elongation at break350%
  • Application temperature+5°C / +40°C
  • Temperature resistance (cured)-50°C / +300°C
  • MOQfrom 1 pallet

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Silicone Acetoxy

HT300 High Temperature Packing Sealer

An acetoxy-based high-temperature gasket sealant, produced in our own production facility in the Netherlands and available in your private label.
  • Temperature resistant up to +300°C
  • Suitable for creating elastic gaskets
  • Permanently elastic after curing
  • Good adhesion to common metal substrates
  • Resistant to water and various chemicals, depending on application
  • Good UV and weather resistance
  • Excellent workability
Base AcetoxyDensity 0.98 g/mlSkin formation time Approx. 20 minutesFull cure 2 mm per 24 hoursShore A hardness 24Tensile strength 1.25 N/mm²Elongation at break 350%Application temperature +5°C / +40°CTemperature resistance (cured) -50°C / +300°CMOQ from 1 pallet
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