PRODUCT NAME TYPE CONFORMING TO STANDARD PDS SDS TO 335 H Uninhibited IS 335-2018 Type II TO 335 HT Trace Inhibited IS 335-2018 Type II TO 335 HX Inhibited IS 335-2018 Type II TO 20 Uninhibited IEC : 296-1982 Class I TO 20 BS Uninhibited BS : 148-1984 Class I TO 20 X Inhibited IEC : 296-1982 Class I A TO 20 BS X Inhibited BS : 148-1984 Class I A