Pure Zinc Powder [-270+400]

Why this mesh cut matters for thermal spray

The -270+400 designation means the powder passes a 270-mesh sieve (53 µm opening) and is retained on a 400-mesh sieve (37 µm opening). This narrow particle size band gives spray operators predictable melting behaviour, steady feed rates, and uniform coating thickness — all critical when spraying zinc for corrosion protection.

Process compatibility

Pure Zinc Powder [-270+400] is suitable for the three main thermal spray processes:

• Flame spray (wire/powder): Economical for large-area structural steel, tanks, and field work.
• HVOF (High Velocity Oxy-Fuel): Dense, well-bonded zinc coatings with low oxide content for demanding service conditions.
• Plasma spray: Precision coating on engineered parts where controlled thickness and low substrate heat input are required.

Process fit should be confirmed with your spray equipment OEM. SPA2Z can supply powder suitable for each method — specify your process when you enquire.

Typical applications

• Corrosion protection on steel bridges, structural steel, and transmission towers.
• Sacrificial zinc coatings on pump housings, valve bodies, and marine hardware.
• Dimensional restoration and corrosion repair on worn steel components.
• OEM production coating for automotive, agricultural, and construction equipment parts.

Pack sizes and ordering

Standard pack options: 5 kg tin, 10 kg tin, 25 kg pail. Other pack sizes may be arranged for bulk orders. Every pack is sealed against moisture and contamination. Shelf life and storage guidance are provided with each shipment.

About SPA2Z — Pure Zinc Powder [-270+400]

SPA2Z supplies thermal spray powders to industrial blasting and surface preparation users who already operate spray equipment and need a dependable powder source. When you enquire about Pure Zinc Powder [-270+400], we focus on matching the powder grade to your spray process, mesh requirement, and pack size — so you get a workable offer without back-and-forth guesswork.

We support buyers who need:

• Process-specific powder selection (flame, HVOF, plasma).
• Clear mesh-cut and chemistry confirmation before shipment.
• Standard and bulk pack options with on-time dispatch.
• Straightforward quotation with no hidden minimums.

Tell us your spray process, required mesh cut, and estimated monthly volume. We will return a grade-specific quote and availability timeline.