Everbuild Tecnic Silicone 825 is a low modulus, neutral cure, alcoxy, low odour silicone sealant that adheres to a wide range of both porous and non porous surfaces without the need for priming.
£102.90 +VAT
| Shrinkage ISO10563 | <5 % |
| Tensile Modulus at 100% Elongation ISO 8339 23°C | 0.25—0.3 MPa |
| Tensile Adhesion Strength at Break | 0.5 MPa |
| Compressive Modulus 100% ISO 11432 | 0.35 MPa |
| Movement Factors | Maximum Compression 35 % Maximum Elongation 100 % (for a 20 mm wide joint min 13 mm max 40 mm |
| Chemical Base | Alcoxy silicone |
| Packaging | 380 ml cartridge 600 ml foil pack |
| Shelf Life | 12 months from date of manufacture. |
| Storage Conditions | Store in original unopened containers between +5 °C and +25 °C. Storage outside these parameters may dramatically reduce shelf life. |
| Colour | White, Black, Mid Grey, Dark Grey, Brick Red, Brown, Buff, Beige, Anthracite, Dark Anthracite RAL 7016, Magnolia, Portland Stone, Limestone White |
| Density | Colours: 1.33 - 1.37 g/cm3 |
| Shore A Hardness | 22-32 |
| Elongation at break | >200 % (ISO 8339, +23 °C) |
| Movement Capability | (ASTM C719) ±35 % (ISO11600) ±25 % |
| Elastic Recovery | >70 % (ISO 7389) |
| Thermal Conductivity | 0.10983 W/mK |
| Service Temperature | -50 °C to + 150 °C |
| Joint Design | Maximum joint width 50 mm, max depth 50 % of joint width Joint widths are calculated as in BS6213: Width=(M x 100)/F + M Where M = movement and F = movement accommodation Factor For maximum movement accommodation, it is recommended that: 1. The sealant joint depth should be no less than 5 mm. 2. Joint depth should be 5 mm for joints up to 10 mm wide. 3. Joints above 10 mm in width should be half the width in depth up to 20 mm and minimum 10 mm for wider joints. Joint depth may be adjusted to the correct size using EVERBUILD JOINT BACKER ROD. |
| Yield | 3 linear metres 9 x 9 mm fillet joint (380 ml cartridge) |
| Ambient Air Temperature | +5 °C to +40 °C |
| Curing Time | mm/1 day approx 2 mm/3 days approx 6 mm/7 days approx 9 |
| Skin Time | 30-45 minutes |
Everbuild Tecnic® Silicone 825 does not require a primer on most common surfaces, although adhesion tests are recommended prior to full scale application. If the joint is likely to be immersed or if adhesion is poor (especially on porous surfaces) use SIKA PRIMER 3N. To improve adhesion (if required) to non-porous surfaces, prime with Sika Aktivator 205.
Surfaces must be clean, dry and free from dust, grease and other contaminants. Remove dust with compressed air. Degrease by using a solvent soaked pad, following by wiping with a clean cloth. Following cleaning procedure and materials are recommended:
| Glass | Degrease with alcohol or MEK |
| Aluminium, light alloys and stainless steel | Degrease with alcohol or MEK |
| Other Metals | Lightly abrade then de- grease as above |
| Wood | Lightly abrade surface then remove dust |
| Plastics | Degrease using an agent recommended by plastics manufacturer |
| Concrete and other alkaline surfaces | Brush and remove dust |
| Polyester Powder Coated Aluminium (PPCA) | Sika® Cleaner P and Sika® Aktivator-205 |
We recommend following Sika Method Statement; Facade Joint Sealing for good working practice
Uncured sealant – white spirit. Cured sealant – mechanically
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Fantastic customer service and fast delivery, highly recommend
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Great prices with a good ranges of products . Customer Service is excellent!
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Very helpful!
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