Tec7 Adhesive

Bond, Mount and Seal, Even Underwater

  • Unique adhesion to almost all materials
  • Very high bond strength
  • Builds strength quickly
  • Cures to -10°C
  • Highest class in mould resistance

Tec7 Adhesive

Extreme bonding without support

Available in White, Grey & Black 310ml cartridges and 600ml sausages

TEC7 is an all-in-one, offering just one product instead of seven to get the job done.

Not to be confused with a silicone sealant, TEC7 is a solvent free MS polymer based product that bonds, seals and mounts, even under water! TEC7 is the original all-rounder. For more than 25 years now, TEC7 has been the best-known sealant for bonding, sealing and fastening.

When it really has to be good, professionals and experienced handymen reach for the TEC7 tube or sausage. And rightly so! TEC7 is the first choice for 80% of all applications. For all applications: in the construction and sanitary sectors and general maintenance. TEC7 replaces mounting, wood and PU adhesive, silicone sealant, sanitary silicone sealant, acrylate adhesive and butyl caulking.

Uses: Bonding

Bonding of insulation, even on wet surfaces. TEC7 does not dissolve polystyrene foamAs a mounting adhesive for bonding in acoustic panels skirting boards, lathing, sidings, eaves, laths on brick, Gyproc, cellular concrete, Ytong, mortar, etc. TEC7 replaces mechanical attachmentsAs a sealant for both wet and difficult surfacesDoes not attack natural stone like marble, Belgian blue stone and graniteIdeal as a sealant between windows and brickworkCan be painted perfectly, even with acrylate dispersion paintsWindows and Verandas: bonding of glass in synthetic and aluminium profiles, bonding of adhering pieces and corner pieces in the production of windows

Uses: Construction

Bonding of ferrous and non-ferrous plates on window worksBonding of mirrors does not attack the silver coatingBonding of acoustic and decorative panelsIn the construction of elevators, good adhesion to painted surfacesBonding of wooden or metal table topsBonding of synthetic plates and insulation in refrigeratorsBonding of characters and nameplates on gravestones and frontsSealing and bonding of containers

Uses: Air Conditioning and Ventilation

Sealing of both PVC and metal tubingExcellent bonding on galvanized ductsSanitaryAs a sealant, even on wet surfacesDoes not attack acrylateTEC7 is U.V. resistant, anti-fungal and anti-bacterial

Uses: General Maintenance

TEC7 bonds to most surfaces, containts no solvents, does not attack synthetic materialTEC7 combines the advantages of an acrylic and silicone sealant, without the disadvantages of these two productsReduces your stock of different productsTEC7 replaces: mounting, wood and P.U. adhesive, silicone sealants, sanitary silicone sealants, acrylic sealants, butyl rubber sealants

As a universal adhesive, TEC7 adheres to most substrates and does not attack synthetic materials to mirrors (vertical adhesive beads), natural stone (does not bleed through), polyester, polystyrene foam, moist substrates, even under water, overpaintable with most common paints, alkyd resin-based lacquer, applied to TEC7, can have a slower drying process TEC7 has lower adhesion on PP, PE, bitumen and silicones.

Technical Information

Specifications

(All values at 23°C / 50% relative humidity)

  • Base: nTec hybrid polymers.
  • Curing: Polymerisation under the influence of (air) humidity.
  • Odour: neutral.
  • Density: 1.50 ± 0.1 g/cm³.
  • Processing temperature: -10°C to +40°C.
  • Thermal stability: -40°C to +90°C / peak 200°C (max 20 minutes).
  • Skin formation: 8 minutes.
  • Adhesion-free: 25 minutes.
  • Functional strength (hand tight):
    • Porous materials: 3 hours.
    • Non-porous materials: 6 hours.
  • Curing:
    • 24h – 6mm
    • 48h – 7mm
    • 72h – 8mm
  • Volume shrinkage after curing: < 1%.
  • E-modulus 100% (DIN 53504 S2): 200N/cm² / 2.00 MPa.
  • Elongation after breakage (DIN 53504 S2): 350%.
  • Shore A hardness (DIN 53505): 60.
  • Tensile strength (DIN 53504 S2):
    • After 7 days: 280 N/cm² (= 280 kg/10 cm²)
    • After 3 months: 380 N/cm² (= 380 kg/10 cm²)
  • Chemical resistance:
    • Good: water, seawater, aliphatic solvents, oils, fats, dilute organic acids, alkalis.
    • Moderate: esters, ketones, aromatic solvents.
    • Bad: concentrated acids, chlorinated solvents.
  • Weather resistance: very good.
  • Resistance to mould formation (ISO 846): class 0.
  • Shelf life: 18 months from production.
  • The first seven digits of the batch number are the production date: YY WW DDD, where YY = year (24 = 2024), WW = week and DDD = day.
  • Safety precautions: please consult the safety data sheet.

Instructions

  • Processing temperature between -10°C and +40°C. At temperatures below 0°C, curing will be considerably slower.
  • Apply to a clean, stable, dust- and grease-free surface.
  • Use Tec7 Prepare & Finish for safe cleaning and a perfect finish. In case of heavy soiling, clean using Tec7 Cleaner and/or Multiclean.
  • Test adhesion on plastics, powder coatings, exotic woods and bituminous materials.
  • Strengthen weak and/or porous substrates first with Poxy Primer.
  • Tec7 hardens through a reaction with (air) moisture. Use Tec7 in lines, not in thick dots. Dots will take longer to harden. 
  • Use vertical adhesive strips to avoid moisture and dust accumulation.
  • Ideal adhesive thickness: 0.5 mm to 3 mm. Thin layers = higher strength. Thicker layers = higher elasticity.
  • Can be painted over after skin formation. Do not use with alkyd-based lacquers and paints.
  • Use Tec7 Cleaner and/or Tec7 Powerwipes to clean tools and/or remove uncured Tec7. Clean hands and skin with Tec7 Powerwipes.
  • Cured Tec7 can only be removed by mechanical means.

This information is provided as general guidance only and may not apply to all situations. For project-specific applications, please contact us directly to discuss the correct product selection, load requirements, and technical specifications.

DECLARATION – MARINE TESTED – TEC7

TEC7 has been rigorously evaluated for performance in marine environments through internationally recognised test methods, including ISO 9227 (salt spray resistance), ISO 2812-2 (seawater exposure), and ASTM C961-15 (bonding strength in wet conditions). Based on these results, Novatech International confirms that TEC7 performs reliably in marine applications. When allowed intermittent drying, TEC7 provides effective protection to underlying materials and maintains strong adhesion. For applications involving prolonged or permanent immersion, users should apply a suitable safety margin to compensate for the natural reduction in bond strength over time.

EC 1935/2004

EU Regulation 1935/2004 covers all food contact materials and articles which are intended to come into contact with food. The regulation ensures that food contact materials do not threaten human health, or change the composition, odor, or taste of the food product.

EC1+

EC1 Plus EMICODE is an eco-label and classification system that certifies flooring installation products, adhesives, and building materials based on their emissions. It follows standards like DIN EN ISO 16000-1, CEN/TS 16516, and ISO/TC 146 on air quality. Products bearing the EMICODE label are certified as having very low emissions, adhering to the strictest limits, and are continuously monitored by independent inspection bodies. This ensures clean indoor air and promotes a healthy environment.

Greentag PHD Platinum

The Product Health Declaration (PHD) certificate is similar to HPD (Health Product Declaration) and a comprehensive tool designed to provide transparent, detailed information about the health impacts of products, particularly in the green building industry. This certification is crucial for ensuring that products meet specific health and environmental standards, offering a benchmark for safety and sustainability. Currently, a Global GreenTag PHD has formal WELLTM Building Standard Equivalencies recognised globally for core product- related Features and the tool is also compliant with the LEED® program, used in 168 countries that has significantly upgraded its criteria for materials transparency and optimisation.

Eurofins Gold

The Indoor Air Comfort and Indoor Air Comfort GOLD certifications provide strong assurance that a product meets stringent low-emission standards. These certifications highlight a brand's commitment to quality and its role in promoting a healthy indoor environment. The "Indoor Air Comfort GOLD - certified product" represents the highest level of certification, indicating that the product not only meets mandatory low-emission requirements but also aligns with the voluntary standards set by leading ecolabels and sustainable building certifications in the EU. As a result, these certified products are considered top-tier in terms of low emissions, contributing to excellent indoor air quality.

Indoor air emissions A+

Volatile organic compounds (VOCs) are a group of substances from various chemical classes that readily evaporate at room temperature. Examples include benzene, styrene, toluene, trichloroethylene, as well as highly volatile substances like formaldehyde and acetaldehyde. In countries such as France, construction, decoration, and furnishing products are classified under the “VOC Emissions dans l'air intérieur” label, based on VOC emissions tests. This label rates products on their emissions of volatile substances, which may pose a toxic risk when inhaled indoors. The scale ranges from A+ (very low emissions) to C (high emissions).

ISEGA

ISEGA certification refers to products that meet the standards set by the German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung), which focuses on ensuring consumer safety and product quality. This certification is particularly relevant for products that come into contact with food, assessing potential risks to human health. Based on these evaluations, the product’s quality is determined. Similar to other environmental labels and certifications, ISEGA aims to provide clear and reliable information to consumers regarding product safety.

Environmental Product Declaration (EPD)

Novatech International NV, as a member of FEICA (the Association of the European Adhesive and Sealant Industry), is authorised to use the FEICA model Environmental Product Declaration (EPD) for polyurethane or silane-modified products in Group 1. These model EPDs are independently verified by the Institut Bauen und Umwelt (IBU) and published on the ECO Platform. TEC7, Trans Clear and X-Tack have been reviewed against this model EPD and confirmed to be fully compatible. This means the Life Cycle Assessment (LCA) data and environmental information contained in the FEICA model EPD are applicable to TEC7 and may be used in building and sustainability assessments.

IM1

M1 is a classification system for building materials focused on emissions. Materials that are M1- certified release very low levels of compounds into indoor environments. The purpose of the M1 classification is to encourage the production and use of building materials and furniture with minimal emissions. This system sets specific limits for the release of volatile organic compounds (VOCs), formaldehyde, and ammonia. Additionally, M1 evaluates the acceptability of the material’s odor.

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