BLASTBAGS™

BLASTBAG™ AERO

Air-operated blast hole plug. Two SKUs cover 2.5"–12.25". Non-DG. Fastest inflation.
· SKU 02-005

BLASTBAG™ AERO is an air-operated blastbag used to block, deck, or support explosives in blastholes. It's designed for sites that run service air and need a clean, simple way to control voids and explosive energy. The AERO uses compressed air only, making it safe, reliable, and easy to run underground.

The dual bladder setup and the tough outer bag stop leaks and hold pressure well . The snap-on valve connects fast to standard underground air fittings. Once inflated, BLASTBAG™ AERO holds position, protects the drilled hole, caps upholes, and helps improve fragmentation. It also helps cut explosive wastage and control final wall conditions.

MTi also supplies hose reels, inflators, AB-C couplings, weights, and droplines to install the BLASTBAG™ in any direction — even underwater.

Size · Emu 4"-12 1/4"
Size guide
Not sure which size? Use the size guide →
Ships same-day from Stanton, KY
Same-day shipping Stocked in Stanton, KY Non-DG compliant
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BLASTBAG™ AERO
BLASTBAG™ AERO
Emu 4"-12 1/4"
Get trade pricing
AIR-OPERATED BUILT FOR THE LONG HOLE.
Inflatable · Underground & surface
Why this product

Why BLASTBAG™ AERO

Air-operated efficiency

Inflates from your mine or compressor air supply. No chemicals, no canisters.

Why it matters: Use the compressed air already on site. Lower operating cost per hole, simpler logistics.

Dual bladder security

Two independent bladders provide redundant sealing against the hole wall.

Why it matters: If one bladder is compromised, the second maintains the deck. Built-in failsafe.

Robust outer cover

Heavy-duty woven cover protects the bladders from sharp rock and rough insertion.

Why it matters: Survives the hole conditions that shred lighter bags. Fewer failures, fewer re-deployments.

Snap coupling ease

Quick-snap coupling connects the inflation hose in one click.

Why it matters: Fast hookup, fast disconnect. Less time per hole, more holes per shift.

Enhanced fragmentation

Creates a reliable air deck that optimizes energy distribution in the explosive column.

Why it matters: Better rock breakage with less explosive. Your powder factor improves, your costs go down.

Eco-friendly product

No chemical propellants. Inflated with clean compressed air.

Why it matters: Meets environmental standards on sensitive sites. No residual chemicals left in the hole.

Benefits

Built for the bench.

Compressor-inflated

Hook up the air line, inflate to the pressure you need. No fixed cartridge — adjust on the fly.

Long-hole capable

Built for deep angled holes and uphole work where a self-inflating bag isn't the right tool.

Water-shedding seal

Holds against groundwater in wet upholes. Proven on the wet portions of underground gold operations.

Built for every condition

Built for every condition.

Wet upholes

Paired with the BLASTSHIELD™ liner, the AERO stops emulsion slumping in long uphole drilling.

Deep angled holes

When the hole is 25+ m and angled, you want a bag you can place and inflate to a controlled pressure.

Groundwater-prone ground

Air-operated inflation lets you adjust pressure to the local conditions instead of relying on a fixed cartridge charge.

Product details

Specs, storage & more.

Size chart
02-005 4"-12 1/4" — 35/box
02-025 3"-8" — 60/box
General specifications
Weight 25lbs
Compliance
DG classification Non-DG
Non-flammable Yes
Non-toxic Yes
Non-sparking Yes
Packaging
Pack size 60/box
Long, angled, or wet holes need controlled pressure and the ability to fine-tune on the fly. An aerosol cartridge is fixed; an air line isn't.
Paired with the BLASTSHIELD PLUS™ liner in an underground gold operation in Ghana — eliminated emulsion slumping and single-pass charging across all the wet areas of the mine.
Size guide

Step 1 · Measure your hole diameter at the collar
Drag the slider or type a diameter. Between two sizes? Go up.
Recommended
INCHES
3"
4"
5"
6"
7"
8"
9"
10"
11"
12"
13"
ModelNominalMetricRangeQty/BoxSKU
Bilby Short 3" – 8" 76 – 203 mm 3–8" 60 02-025
Emu 4" – 12 1/4" 100 – 311 mm 4–12.25" 35 02-005
Detailed comparison
Side-by-side

Pick the right one.
Every time.

Detailed Comparison

BLASTBAG SOLO self-inflating blast hole plug with dual aerosol cartridgesBLASTBAG™ SOLO BLASTBAG™ EVO - BLASTBAGS™ - MTi USABLASTBAG™ EVO BLASTBAG™ ACE II - BLASTBAGS™ - MTi USABLASTBAG™ ACE II BLASTBAG™ AERO - BLASTBAGS™ - MTi USABLASTBAG™ AERO BLASTBALL™ - Stemming Plugs - MTi USABLASTBALL™ MITIPLUG - Stemming Plugs - MTi USAMITIPLUG ROCKRIVETS - Stemming Plugs - MTi USAROCKRIVETS SLUMPSTOPPA™ - In-Hole Accessories - MTi USASLUMPSTOPPA™
TypeInflatable bagInflatable bagInflatable bagInflatable bagInflatable plugMechanical plugRetention plugRetention device
Inflation / MechanismAerosol, 2-speed actuator (non-flammable, non-toxic)Aerosol, variable pressure sleeveChemical reaction (non-DG, no metal)Compressed air (service air lines)Compressed air via drop line, hermetic bladder + nylon webbingFlexible pilgrim-hat fins (no inflation)Collet-fin friction (rigid or semi-rigid)Polymer bristles + stainless spine (gas-permeable)
Hole Size Range4.5" – 12.25" / 114 – 311 mm4" – 9⅞" / 100 – 250 mm3" – 10⅝" / 76 – 270 mm2.5" – 12.25" / 64 – 311 mm2.5" – 8" / 64 – 203 mm2.5" – 4" / 64 – 102 mm3" – 9" / 76 – 230 mm2.5" – 4.5" / 64 – 115 mm
Surface / UGBothSurfaceBothUG specialist - bothBoth, wet-hole ratedUGBothUG
DG ClassClass 9Class 9Non-DGNon-DGNon-DGNon-DGNon-DGNon-DG
Best For Air DeckingThe most-used aerosol bag worldwide — single-operator, ~30 seconds per holeTwo SKUs cover most hole sizes — simpler stocking, fewer decisionsSites with strict storage rules or metal-detector conveyorsUnderground sites running service air — snap-on couplingWet holes, breakthroughs, cracks/voids — the only wet-hole-rated inflatableUnderground emulsion or ANFO upholes — column retention + air deck in oneRetains the charge column and creates a controlled air deck on trim and pre-split rowsEmulsion uphole loading — holds the column while letting gas through

Swipe to see all columns →

When to pick each
BLASTBAG™ SOLO

Pick BLASTBAG™ SOLO when you're running surface benches and want the most-used aerosol gas bag on the market. Self-contained, single-operator deploy, no extra gear — ~30 seconds per hole. Two-speed actuator lets you inflate slow or fast depending on the situation. Sizes from 4.5" to 12.25" (114 – 311 mm) cover every standard production hole. Class 9 DG — stores and ships under aerosol rules.

BLASTBAG™ EVO

Pick BLASTBAG™ EVO when you want aerosol convenience without the SKU sprawl. Two sizes — Hawk (4" – 6") and Eagle (6" – 9⅞") — cover most surface holes, so you stock less and make one decision on the bench instead of four. Single bladder seals against the hole wall; pressure sleeve controls inflation speed. Class 9 DG.

BLASTBAG™ ACE II

Pick BLASTBAG™ ACE II when storage or transport rules make aerosol products a hassle, or when you're running metal-detector conveyors that throw false trips. Chemical reaction inflation — no aerosol, no metal components, non-DG. Same air-deck performance as SOLO and EVO, just delivered through a controlled chemical reaction instead of pressurized gas. Sizes 3" through 10⅝" (76 – 270 mm).

BLASTBAG™ AERO

Pick BLASTBAG™ AERO when you're underground with service air lines available. Compressed-air operated, dual-bladder construction, snap-on coupling for fast connect/disconnect. Works in any direction — up holes, down holes, even underwater. Sizes 2.5" through 12.25" (64 – 311 mm). Best-seller in underground and the cleanest install when air is already on site. Non-DG.

BLASTBALL™

Pick BLASTBALL™ when the hole is wet or you've got breakthroughs and cracks to seal. The only inflatable in this collection rated for wet-hole deployment — lower it through water on a drop line, then inflate with compressed air. Reinforced rubber bladder with nylon webbing handles -58°F to 185°F (-50°C to 85°C). Sizes 2.5" to 8" (64 – 203 mm). Underground development specialist.

MITIPLUG

Pick MITIPLUG™ when you're loading emulsion or ANFO into underground upholes and need a mechanical plug that creates an air deck AND retains the column. Flexible pilgrim-hat fins fold back on insertion, then lock in place — and the fins let gas through. Revised design includes downline protection. Fits 2.5" to 4" (64 – 102 mm). The most popular plug for underground emulsion upholes.

ROCKRIVETS

Pick ROCKRIVET™ when you need to create a controlled air deck on a trim or pre-split row, or hold the charge column with maximum retention and downline pass-through. Collet-style fins bite the hole wall and don't walk, twist, or shift. Iron ore case study: 38% smaller P80 fragment size with ROCKRIVETS installed. Sizes 3" to 9" (76 – 230 mm), rigid for heavier loads, semi-rigid for tighter holes.

SLUMPSTOPPA™

Pick SLUMPSTOPPA™ when you're loading emulsion in underground upholes and need a gas-permeable retention device to hold the column without compromising the gassing reaction. Polymer bristles with a stainless steel spine hold the column while letting emulsion gas through. Fits 2.5" to 4.5" (64 – 115 mm). The dedicated emulsion-slump solution for underground upholes.

Field reviews

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