Practical example cases of damage
- Thermal fracture
- Torsion fracture
- Edge pressure fracture
- Drilling fracture
- Widespread pressure cracks
- Impact fracture
- Nickel sulfide embedding
- Foil delamination
- Foil delamination over time 2010 - 2018
- Impression of bending shape
- Scratches on glass
- Anisotropies (leopard spots)
- Corrosion
- Dampening of laminated film
- Delamination of cast resin
- Leaky insulation glass
- Interferences
- Dampening of fire protection glass
- Wallner lines
- Vandalism
- Optical distortion with bended safety glass
- Bullet hole
- Residual strengths
- Mirrors
- Rough cut
- Suction cup casts
- Colour deviation
- Rollerwaves
Thermal fracture
Thermal fracture caused by lamination with a foil
Torsion fracture
Torsion fracture of a single glass pane in a sliding door caused by suitcase impact
Edge pressure fracture
Edge pressure fracture caused by too tight glazing in the frame
Drilling fracture
Overloading in the drilling area of a bannister handrail
Widespread pressure cracks
Widespread pressure cracks caused by small format
Impact fracture
Fracture caused by hit with burglar tool
Nickel sulfide embedding
Fracture of a safety glass pane caused by a nickel sulfide embedding
Microscopically enlarged view of a nickel sulfide crystal
Foil delamination
Foil delamination at the edge of a laminated sheet glass pane
Delamination of PVB foil caused by free exposure of balcony pane
Foil delamination over time 2010 - 2018
Start of foil delamination in 2010
Further foil delamination in 2014
Further foil delmaniation in 2016
Further delamination in 2018
Impression of bending shape
Impression of the bending shape with glass that has been bended at too high a temperature (grid below the light spot)
Scratches on glass
Improper attempt of removing a mortar or paint deposit (light spot in the scratch area)
Brush marks from an orbital sander in the border area of a wood moulding that requires cleansing
Anisotropies (leopard spots)
Leopard spots in a safety glass pane (lamellar in the pane center)
Leopard spots in a safety glass pane of a bannister glazing
Leopard spots in a safety glass pane of a roof glazing
Leopard spots in safety glass panes of the four layered doors of a folding door
Corrosion
Corrosion of glass panes caused by alkaline elutriation from the plaster by rain
Dampening of laminated film
Spot-shaped dampening of laminated film of laminated glass around an impact spot caused by vandalism
Delamination of cast resin
Delamination of cast resin due to diluent migration from the insulation glass adhesive
Circle-shaped delamination of cast resin caused by tension due to improper hardening
Leaky insulation glass
Milky insulation glass as the result of a leaky edge laminate caused by moisture in the window frame
Interrupted butyl band at an insulation glass distance piece
Interferences
Colourfully fluorescing interference phenomenons on insulation glass with 2 x 4 mm uncoated float glass from one charge
Dampening of fire protection glass
Moisture migration into a fire protection layer caused by damaged edge protection
Wallner lines
Typical Wallner lines on the glass edge running from the point of origin of the fracture to both sides
Vandalism
Typical glass fractures caused by vandalism (stone throw)
Axe impact marks on a laminated sheet glass pane in a petrol station door
Destruction of a phone booth with a hard object
Optical distortion with bended security glass
Optical distortion with bended security glass
Bullet hole
Typical shape of a bullet hole
Residual strengths
Residual strengths in the barrier/bottom transition zone of a glass vase (polarized light photograph)
Residual strengths in the opening/barrier transition zone of a glass container (polarized light photograph)
Mirrors
Damage to mirroring layer caused by moisture infestation
Rough cut
Detail view of a roughly cut glass edge
Detail view of an origin of fracture at the roughly cut glass edge (enlargement factor 10)
Suction cup casts
Suction cup casts made visible by condensation
Colour deviation
Colour deviation of laminated insulation glass caused by improper fitting
Rollerwaves
Rollerwaves in an improperly tempered safety glass pane
