Bubbles of laminated glass with Polyvinyl Butyral PVB interlayer film

Bubbles of laminated glass with Polyvinyl Butyral PVB interlayer film Condition: Small bubbles at the edges of safety laminated glass with Polyvinyl Butyral PVB interlayer film. Reason: 1) When the autoclave decreasing the pressure, although the temperature detector shows the temperature is under 50 degree, due to the glass thickness and square, sometimes, the glass …

Technical Parameters of Polyvinyl Butyral PVB Interlayer Film

Technical Parameters of Polyvinyl Butyral PVB Interlayer Film Property Items PVB Density 1.069g/cm³ Tensile Strength ≥ 20MPa Elongation  ≥ 200% Visible Light Transmission Rate 88.5% Haze ≤ 0.4% Ultraviolet Radiation Blocking Rate 99% Weather Resistance  (85℃,85% Humidity,UV,1000小时) <3.0% Change of Transmittance  Moisture Absorption  0.4-0.6% Shrinkage  <6% High Temperature Resistance Qualified Moisture Resistance Qualified Impact Resistance Against Shot-Bag …