For over 20 years, Glassbond UK and Sauereisen USA have been working together to provide our customers with solutions to their bonding and potting applications.
Manufactured exclusively in the UK (under licence) and supplied to numerous customers across Europe, these speciality high temperature ceramic adhesives bond to most ceramic glass and metal substrates and are used globally for high temperature (> 500 ⁰C (932⁰F)) electrical assembly, bonding or potting applications.
Glassbond has, over it’s 40 year history, gained a reputation for continuous technical and product development. Our current customer base includes high profile companies such as BASF, Camfil, Rolls Royce, Ledvance, Signify, General Electric and numerous UK and European based academic and research organisations.
The high temperature ceramic adhesive products we manufacture and supply from our ISO 9001 and ISO 14001 accredited facility, have a long established reputation for quality, reliability and innovation excellence and are sold throughout Europe via a network of long established and dedicated agents and distributors.
Applications are numerous (see below) and we provide full technical support and know how from our expert technical team to ensure harmonisation between application and product selection.
Industries & Applications

Lighting
Halogen / Dichroic / HPS Lamps / Metal Halide
- Ceramic and quartz assembly typical
- Requires low coefficient of thermal expansion
- High thermal conductivity preferred

Thermocouples
Samplers / Sensors / Tips / Tube
- Potting application of quartz into ceramic body requiring high thermal properties
- Adhesive application to affix thermal insulating tape to cardboard
- Coating application for sampling caps

High Temperature Filter / Catalysts
- Adhesive applications
- Bonds high-temperature filter media into stainless steel or aluminium housing. Perfect for HEPA filter units
- Bonds stacked components or internal components nested within a filter unit

Heating Elements
Coils / Cartridge Heaters / Sheath
- Enables transmission or dissipation of heat
- Secures element and maintains assembly
- High temperature resistance and electrical insulation

Resistors
Wire Wound / “Boat” or “Bathtub” / Rheostat
- Coating, potting and/or encapsulation
- Seals resistance wire placed in or upon ceramic base
- Specified for electrical insulation

Hot Surface Igniters
Hot Surface / Spark / Silicon Carbide / Silicon Nitride
- Low thermal expansion cement required
- Offers refractory properties through 2600°F
- Cement required for bonding or potting wire into ceramic body
- Able to withstand low voltages during ignition
Other applications Include:
- Fibre optics
- Hair straighteners (ceramic plate)
- 3D printer hardware manufacture
- Cutlery manufacture
- Aerospace
- Insulation boards for environmental control
- Pressurised metering devices
- Battery encapsulation
- Solar panel applications
- Automotive
- Wafer manufacturing
- Pyrotechnics
Products
These are used for sealing, coating and encapsulation applications. They are single component silicates with silica, alumina or clay filler systems. Available in powder form to be mixed with water or as ready mixed paste where indicated. This product cures through evaporation of water in 18-24 hours at room temperature. Additional heat can be applied for high temperature applications.
Insa-lute Adhesive Cement P1 Powder Specified for automotive, appliance and assembly industries for bonding, insulating and coating applications. | Safety Sheet | Data Sheet |
Tempseal Cement Paste 3MOD7 Superior sealing capability commonly used in assembly of heating elements, resistors and high performance lighting products. | Safety Sheet | Data Sheet |
Aluseal Adhesive Cement #2 Aluseal Adhesive Cement #2 is a ceramic cement paste offering excellent bond strength and thermal shock resistant properties for assembling, sealing and/or cementing porcelain, glass, metal and other materials. | Safety Sheet | Data Sheet |
Electric Resistor Cement #78/3 Powder Used for coating resistors, coils, electric heating elements, furnaces and embedding resistance wires. | Safety Sheet | Data Sheet |
Cement Paste #315 An off white, porcelain-like cement paste that is widely used throughout industry in a variety of applications including assembling, sealing, insulating and cementing of ceramics, porcelain, metal and glass. | Safety Sheet | Data Sheet |
For potting, bonding and casting thicker sections. These are available as single or two component products. The single component are phosphate based with zircon or alumina filler and can be mixed with water. The two part component grades are silicate based with silica or zircon filler to be combined with silicate liquid. Typically, these grades have a working time of 30-90 minutes.
Zircon Potting Cement X44 Primarily used where high electrical insulation and thermal conductivity are desired. X44 cures by chemical set and is ideal for potting applications subject to high temperature and/or thermal shock. | Safety Sheet | Data Sheet |
Electrotemp Cement Powder X52 Primarily used where high electrical insulation and thermal conductivity are desired. X52 is a phosphate based system that cures by chemical set and is ideal for potting applications subject to high temperature and/or thermal shock. | Safety Sheet | Data Sheet |
Zircon Potting Cement X56 Primarily used where high electrical insulation and thermal conductivity are desired. X56 cures by chemical set and is ideal for potting applications subject to high temperature and/or thermal shock. It exhibits similar properties to X44 but with a longer working time. | Safety Sheet | Data Sheet |
Low Expansion Cement Powder #29 Low Expansion Cement Used for embedding heating elements, insulating thermocouples, coating resistors and coils, and mechanically sealing parts where high resistance to electricity, chemicals and thermal shock is required. A strong resistance to cryogenic conditions makes #29 a common product for aerospace applications. #29 adheres to glass, porcelain, ceramics, metals and other surfaces. | Safety Sheet | Data Sheet |
Electrical Cement DW30 An inorganic, chemically setting, magnesium oxide based material which develops a slight expansion while hardening into a porcelain like body. It is recommended for embedding heating elements and potting resistors. | Safety Sheet | Data Sheet |
Cement Powder #31 A white, porcelain like cement that is widely used throughout industry in a variety of applications including assembling, sealing, insulating and cementing (particularly ceramics, porcelain, metal and glass). | Safety Sheet | Data Sheet |
Sealing Cement 33S A chemical setting, inorganic, silicate based cement that is used for assembly/sealing applications common to electrical equipment. It is ideal for coating moulds and forms used to produce special shapes and patterns. | Safety Sheet | Data Sheet |
A single component product used for calcium aluminate applications. Curing takes place in a humid environment through hydration with a controlled dry out final stage.
Electrical Potting Cement #76 A castable, hydraulically-setting cement used as a bonding mortar or refractory coating for high temperature assembling, encapsulating and potting applications. | Safety Sheet | Data Sheet |
A soluble sodium silicate solution which is used to reduce the viscosity of various Sauereisen cements, permitting more flowable consistency for dip, spray or brush application.
Sauereisen #14 Liquid | Safety Sheet | Data Sheet |
Sauereisen #29 Liquid | Safety Sheet | Data Sheet |
Sauereisen #31 Liquid | Safety Sheet | Data Sheet |
Simple and Easy to mix

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Sales
sales@glassbond.co.ukPhone: +44 1744 730334
Customer Service
info@glassbond.co.ukPhone: +44 1744 730334
Fax: +44 1744 451661