SLD Material
Pioneer HVAC Non Metallic Material is UL Listed
In the design and development of SLD (Self Locking Damper) we rely on engineered Thermoplastic. To comply with paragraphs 18.2 and 18.3 of the UL 1995 Standards Code for Heating & Cooling Equipment (CSA-C22.2 No. 236 UL 1995), combustible material used by Pioneer HVAC Systems Inc. is KYDEX®100 (2mm) manufactured by SEKISUI SPI at a state-of-the-art facility in Bloomsburg, Pennsylvania, which is UL 94 5VA rated having File Number E115252 thus adhering to the required flammability rating and satisfying UL requirements. https://kydex.com/wp-content/uploads/2021/07/KYDEX_Technical_Brief_111-A_Explanation_of_UL_94_Rating_for_KYDEX_100_and_KYDEX_T.pdf
Mounting Bracket and Damper Materials:
This mounting bracket is made of 24 gage and Damper of 22 gage G.I Sheet