Safety glass panel SECURIT®

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Presentation SECURIT is a thermally toughened glass. It is characterised by significantly higher resistance to mechanical and thermal stresses than annealed glass. In case of breakage, SECURIT fragments into small, blunt-edged pieces, reducing the risk of injury. The glass undergoes heating at approximately +/- 650°C (variable with thickness) followed by rapid cooling; this process provides a tolerance to temperature fluctuations cited in the documentation up to +/- 250°C.

Applications SECURIT® is used in numerous interior and exterior applications and is suitable for professional and private projects. It is particularly adapted for shower screens, glazed doors, furniture elements and large glazed surfaces.

• Doors: used for various types of interior and exterior glazed doors.
• Glazed assemblies: glazing joined by metal elements for the construction of:
  • doors
  • shop windows
  • building entrances
• Interior furniture: table tops, shelving, furniture components, helping to mitigate domestic hazards.
• Urban furniture: phone booths, bus shelters, signage panels.
• Facades, roofs, spandrels: used where increased resistance to thermal or mechanical stress is required.

Advantages SECURIT improves glass performance on many criteria and presents specific features that make it a reliable and functional choice for many applications.

• Fragmentation: in case of breakage, it significantly reduces the risk of injury by fragmenting into small, blunt pieces.
• Increased mechanical resistance: impact and bending resistance approximately 5 times higher than annealed glass of the same thickness.
• Resistance to thermal stress: markedly higher than that of standard annealed glass (e.g. PLANICLEAR®).
• Large glazed assemblies: enables the fabrication of expansive glazed surfaces assembled with metal elements while minimizing the visibility of supporting structures.
• Transparency: retains the spectrophotometric characteristics of the base product of the same thickness prior to treatment.

Range and exceptions If no specific information about the base glass is provided for a given SECURIT, the base product is generally PLANICLEAR®. Most glasses are available in a toughened version, except:

• certain references from the DECORGLASS® range;
• some coated glasses;
• products whose tempering intrinsically modifies their characteristics and/or performance.

For example, some toughened laminated glazing versions (STADIP® or STADIP® PROTECT) may show different resistances depending on the type of impact.

Additional thermal treatment: Heat Soak Test To reduce the risk of spontaneous fracture due to nickel sulphide (NiS) inclusions, it is recommended, for certain applications, to apply an additional thermal treatment called the Heat Soak Test (standard EN 14179). This destructive treatment removes a large proportion of at‑risk panes but cannot guarantee elimination of spontaneous breakage in 100% of cases. It is recommended when user safety or weather-tightness is critical.

Performance

• Impact resistance: for example, an 8 mm SECURIT® pane can withstand the fall of a 500 g steel ball from 2 m (double tyre pendulum test according to EN 12600). By comparison, an annealed 8 mm glass breaks for the same ball falling from about 0.3 m.
• Bending resistance: minimum flexural rupture stress of 120 MPa (standard EN 12150).
• Resistance to thermal stress: can withstand temperature differences on the order of ≈200 °C (documentation also indicates a tolerance up to +/- 250 °C depending on context and thickness), versus about 30 °C for annealed glass.

Factory processing SECURIT® can be factory processed with the following operations (most must be performed before tempering):

• drilling and notching (cut-outs) — must be done prior to thermal treatment;
• sandblasting or etching before tempering (maximum admissible stress may then differ);
• coating: solar coating (e.g. COOL-LITE®), low-emissivity (ECLAZ®) or self-cleaning (BIOCLEAN®);
• lamination (e.g. STADIP®);
• assembly into insulating glass units (IGU);
• enamelling;
• screen printing.

Flatness tolerances

• For thickness e ≤ 6 mm: maximum bow = 3 ‰ on edges; maximum bow = 6 mm on diagonals.
• For thickness e ≥ 8 mm: maximum bow = 2 ‰ on edges; maximum bow = 5 mm on diagonals.

Characteristics / technical specifications

• Manufacturing process: heating to approximately +/- 650°C (depending on thickness) followed by rapid cooling (thermal tempering).
• Tolerance to temperature fluctuations: documentation states +/- 250°C (summary); the performance section indicates support of about 200 °C depending on cases.
• Impact resistance: example 8 mm — 500 g steel ball from 2 m (EN 12600).
• Bending resistance: minimum rupture stress 120 MPa (EN 12150).
• Behaviour in case of breakage: fragmentation into small, blunt-edged pieces.
• Possible additional treatment: Heat Soak Test (EN 14179) to reduce risk related to NiS inclusions.
• Base glass generally: PLANICLEAR® (exceptions: DECORGLASS®, certain coated glasses, products incompatible with tempering).
• Possible factory operations: drilling, notching, sandblasting/etching, coatings (solar, low-e, self-cleaning), lamination, assembly into IGU, enamelling, screen printing (as applicable and when required before tempering).