The US-based insulation materials maker, backed by BASF, withdrew its application for a previous initial public offering in 2012.
A year after it withdrew plans for a $115m initial public offering, BASF-backed aerogel insulation developer Aspen Aerogels has filed for a new IPO that could raise up to $86.25m.
US-based Aspen received $165.5m in venture capital funding prior to the withdrawal of the IPO, at which point it raised a further $22.5m from a convertible debt offering.
BASF Venture Capital, the corporate venturing unit for chemicals producer BASF, co-led a $21.5m series B round for Aspen in 2010, but…