Which burns faster, HP-38 or Universal?

Universal is the faster-burning of the two (rank #17 vs #18 — lower rank burns faster).

Powder head-to-head

HP-38 vs Universal

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Which burns faster, HP-38 or Universal?: Universal is the faster-burning of the two (rank #17 vs #18 — lower rank burns faster).
What cartridges do HP-38 and Universal both load?: Both powders are listed for 9mm Luger, .38 Special, .45 ACP, .40 S&W, .357 Magnum, .38 Super, among 16 shared cartridges.