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Pre-drying Guidelines

Pre-drying Guidelines


Boltaron sheet is non-hygrospcopic, and requires no pre-drying under typical production conditions. However, if extraordinary exposure to extreme humidity or moisture necessitates pre-drying, follow these guidelines:

Drying temperature: 15 to 20° F (-9 to -6.7°C) below the Boltaron grade’s heat distortion temperature*

Drying times:

  • 10 hours for thicknesses up to 0.080” (2.0 mm)
  • 16 hours for thicknesses up to 1.25” (3.2 mm)
  • 24 hours for thicknesses up to 0.250” (6.4 mm)


Oven type: use 2-sided or sandwich type heaters for thicknesses ≥ 0.080” (2.0 mm)

*Note: Refer to Boltaron data sheets for product heat distortion temperature.

How can we help?

If necessary, a qualified and experienced expert in the distinct properties and performance of SIMONA Boltaron sheet would be happy to visit your facility to train, diagnose, and guide the production of formed parts with the highest quality, best appearance, and longest service life. Contact us