Bio-based PV backsheet gets provisional UL relative to thermal index designation

October 27, 2011
Facebook
Twitter
LinkedIn
Reddit
Email

BioSolar advised that its BioBacksheet has been granted provisional relative thermal index (RTI) recognition by Underwriters Laboratories (UL). The company first received UL materials certification for its technology in February and since that time has seen the UL conduct long-term thermal stability testing on the BioBacksheet.

The official provisional RTI designation by UL should permit solar panel manufacturers to use the BioBacksheet in the production of the panels towards the achievement of full UL certification, which the company “expects to be merely a procedural matter.”

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Dr. David Lee, the company’s CEO, commented, “This is a defining moment for BioSolar. By receiving the official provisional RTI designation from UL, we have completed the final product development milestone for BioBacksheet. I am pleased to report that we are finally ready to accept commercial orders. During the past two years, we have worked closely with several key solar manufacturers that will now be sending their panel to UL for final certification. Once their revised panels are re-certified with BioBacksheet, these customers will be able to sell their solar panels in the general marketplace.”

Read Next

March 20, 2026
Since the start of March, several leading Chinese PV manufacturers have announced overseas module supply agreements.
March 20, 2026
Goldbeck Solar has secured an EPC contract to deliver three PV plants in Poland’s West Pomeranian province, with a combined installed capacity of 722MWp.
March 20, 2026
Renewables developer Newave Energia and investment firm Gerdau have opened a 452MW solar PV plant in Brazil.
Premium
March 20, 2026
SolarPower Europe tells PV Tech Premium of the benefits of a ‘complimentary’ relationship between auctions and corporate PPAs.
March 20, 2026
Danantara, has secured US$1.4 billion to back the government’s push for 50GW of new renewable energy capacity by 2035, with a focus on solar.
March 20, 2026
Global solar PV installations reached 647GW in 2025, up 11% from the previous year, according to data from think tank Ember.

Upcoming Events

Solar Media Events
March 24, 2026
Dallas, Texas
Solar Media Events
April 15, 2026
Milan, Italy
Solar Media Events
June 16, 2026
Napa, USA
Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain