The phrase "additional buffer" is correct and usable in written English.
It can be used when referring to an extra amount of time, space, or resources added to accommodate potential issues or delays.
Example: "To ensure we meet the deadline, we should include an additional buffer in our project timeline."
Alternatives: "extra margin" or "supplementary cushion".
Earth's atmosphere provides an additional buffer against all but the most energetic of particles.
CSF provides a special chemical environment for nervous tissue, as well as an additional buffer against physical damage.
They butt heads with planning officials who see a line of curbside trees as providing an additional buffer between cars and pedestrians and creating a space where plowed snow can pile up without impeding foot traffic.
The resulting ZnO Al layers were smoother than the reference ITO samples, and the active layers could be processed directly onto ZnO Al without employing additional buffer layers.
Spiral channels are designed for separating particles, in a single device and without any external forces or additional buffer, depending on their size at high flowrates.
Community-driven vertical greenery could function as refugia for native species of conservation interest through providing an additional buffer against further losses in the wild.
However, for reactions requiring neutral or basic conditions, an additional buffer-exchange step is necessary.
Low output impedance of the configuration enables the circuits to be cascaded without additional buffers.
First, additional buffers are needed at both transmitter and receiver.
Further, additional buffers are established in the consecutive multicast sessions.
It said that raising mortgage lenders' capital requirements "would build additional buffers against increased exposures to the housing sector".
