Silicone 825
Verified by manufacturer over a year ago
Low modulus, neutral cure, alkoxy, odourless silicone sealant.
Application
- Perimeter pointing internally and externally around PVC-U/ wood and powder-coated aluminium.
- Sealing and as an adhesive onto PVC-U, plastic trims and components.
- Sealing soft metals such as lead, copper and zinc.
- Weather sealing and joint sealing to pre-formed panels and curtain walling, glazing sealing and draught proofing.
- Glass-to-glass and glass-to-aluminium sealing.
- Parapet and roof weather sealing applications.
- Suitable as an expansion joint sealant.
- Bedding and sealing of insulated glass units.
Description
Low modulus, neutral cure, alkoxy, odourless silicone sealant that adheres to a wide range of both porous and non-porous surfaces without the need for priming.
Features and benefits:
- Tooling and slow skinning properties are suitable for large scale construction and glazing applications.
- High adhesion – adheres to most common surfaces including glass, metals, plastics and wood (painted or unpainted), un-plasticised polyvinyl chloride (PVC-U) and polycarbonate.
- Excellent external weathering properties (over many years exposure).
- High viscosity, non-slump formula.
- Resistant to fumed hydrogen peroxide and fumed formaldehyde.
Approvals:
- Certified to ISO 11600 F25LM and G25LM.
- SNJF 25E for glazing and façade (primed aluminium and un-primed glass and mortar).
- CE marked under EN 15651 for cold climate, façade, glazing and sanitary applications.
General information
Color | White Beige Black Red Brown |
Finish | Smooth |
Material | Silicone Guidance for specification option: Alkoxy silicone. |
Shape | Formless |
Length | 50 mm |
Width | 50 mm |
Height | 275 mm |
Uniclass | |
CAWS | F11/116 Mortar jointed, sealant pointed glass block walling F11/121 Sealant jointed glass block walling F11/141 Sealant jointed glass block walling F11/410 Perimeter/ Expansion joints with sealant F30/610 Movement joints with sealant F30/76 Movement joints with sealant H11/772 Curtain walling joint assembly sealants H11/777 Weathersealing for structural sealant/ bonded glazing H13/740 Sealant joints H30/160 Profiled plastic sheet rooflights or wall lights H30/234 Gutters H30/246 Steel lining H30/247 Steel lining H31/110 Metal H31/120 Metal H31/160 Profiled plastics sheet H31/234 Gutters H31/240 Lining H31/241 Lining H32/110 Plastics H32/111 PVC-U H32/115 Polycarbonate H32/120 Plastics H41/655 Sealant jointing proprietary system H42/661 Sealant joints H43/150 Profiled plastics sheet H43/160 Profiled plastics sheet H43/234 Gutters H51/610 Sealant joints H51/630 Movement joints H71/770 Wedge fixing into joints/ Chases H71/780 Wedge fixing into damp-proof course joints H71/790 Screw fixing into joints/ Chases H72/770 Wedge fixing into joints/ chases H72/780 Wedge fixing into damp-proof course joints H72/790 Screw fixing into joints/ chases H73/770 Wedge fixing into joints/ chases H73/780 Wedge fixing into damp proof course joints H73/790 Screw fixing into joints/ chases H74/770 Wedge fixing into joints/ chases H74/780 Wedge fixing into damp proof course joints H74/790 Screw-fixing into joints/ chases H75/770 Wedge fixing into joints/ chases H75/780 Wedge fixing into damp proof course joints H75/790 Screw-fixing into joints/ chases K10/215 Suspended ceiling system K10/220 Proprietary suspended ceiling system K10/245 Ceiling lining on timber L10/75 Sealant joints L10/810 Sealant joints L20/80 Sealant joints L20/820 Sealant joints L40/230 Bead-fixed single-glazing L40/250 Bead-fixed single-glazing L40/310 Bead-fixed single-glazing L40/330 Bead-fixed single-glazing L40/350 Bead-fixed single-glazing L40/372 Bead-fixed insulating glass units L40/380 Bead-fixed insulating glass units L40/381 Bead-fixed insulating glass units L40/495 U-profiled single-glazing L40/496 U-profiled double-glazing M20/653 Sealant movement joints with stop bead edgings M21/530 Sealant joints M21/85 Sealant joints M40/75 Sealant movement joints M40/815 Sealant movement joints P31/40 Sealing around services P31/710 Sealing |
Product range |
Specification data - Glazing compounds and sealants
Standard | To BS EN ISO 11600. |
Third party certification | CE marked.Guidance for specification option: Under EN 15651 for cold climate, façade, glazing and sanitary applications. |
Class | G-25LM and F25LM. |
Material | Alkoxy silicone. |
Colour | Anthracite.Beige.Black.Brick Red.Brown.Buff.Dark Anthracite (RAL 7016).Dark Grey.Limestone White.Magnolia.Mid Grey.Portland Stone.White. |
Service temperature | -50°C to 150°C. |
Density | 1.33—1.37 g/cm³. |
Temperature | +5°C to +40°C. Manufacturer guidanceAmbient air temperature. |
Shore hardness - A | To ISO 868, 20–30. |
Shrinkage | To ISO 10563, <5%. |
YoungModulus | To ISO 8339, 0.25—0.3 MPa. Guidance for specification option: At 100% elongation. Manufacturer guidanceAt 23°C. |
Adhesion strength | 0.5 MPa. Guidance for specification option: At break. |
YoungModulusCompression | To ISO 11432, 0.35 MPa. Guidance for specification option: 100%. |
Movement | To ISO 11600, ±25%. |
Elastic recovery | To ISO 7389, >80%. |
Elongation at break | To ISO 8339, >200%. Manufacturer guidanceAt 23°C. |
Cure time | ~2.0 mm/ 24h; ~6 mm/ 72h; ~9 mm/ 168h. Manufacturer guidanceSkinning time: 30—45 minutes. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 0 kg·CO₂e/kg |
Recyclability | 0 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
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