Why these numbers
SUNLU Silk PLA+ starts from Bambu's PLA Basic reference; SUNLU's published specs are overlaid where available, and everything else stays at Bambu's calibrated default.
Cool / PLA plate; HDT 53 °C; glossy aesthetic
Treat these as a starting point — run a flow-test cube and Bambu's Flow Dynamics calibration after import for the last few percent.