Barton Garnet Blast Media
Details
Barton ADIRONDACK® garnet is the premier garnet blast media: a 100% natural, non-ferrous, inert mineral mined and processed in the Adirondack Mountains of upstate New York, with an ever-sharp crystalline structure that is 2 to 4 times harder and up to twice as heavy as crushed glass, coal slag or staurolite. Harder, heavier grains clean faster, consume less abrasive per square foot and leave a uniform, embedment-free profile that coatings adhere to. Clemtex stocks it in 55 lb bags.
Key Features & Benefits
- Fastest-cleaning mineral abrasive: shorter blast time, lower consumption, less to ship, handle and dispose of
- Uniform profile virtually free of embedded particles, rogue peaks and troughs – better coating adhesion and longer coating life
- Low dust for better visibility and safer working conditions; less than 0.1% respirable crystalline silica, no heavy metals, beryllium compliant
- Recyclable: typically 3 to 5 turns in blast-room use, making it one of the most economical mineral abrasives
- Meets SSPC-AB 1 (Type 1, Class A) and U.S. Navy MIL-A-22262B(SH); QPL listed and CARB certified for permissible dry outdoor blasting
- Suitable for steel, stainless steel, aluminum and other sensitive substrates; ideal for vapor/wet abrasive blasting
- Backed by Barton's 100% Quality Guarantee
Grades & Profile Guide
| Grade | Clemtex SKU | Typical Profile on Steel | Best For |
|---|---|---|---|
| ADIRONDACK 36 CG | BAR36 | 3.5 – 4.5 mils | Construction-grade cleaning power where removal speed is the priority: thick coatings, marine fouling (20–50 mils) and heavy rust |
| ADIRONDACK 30/60 CG | BAR3060 | 2.5 – 4.0 mils | Removing heavier coatings (up to 40 mils) and rust while controlling profile; general shipyard and industrial maintenance work |
| Manufacturer data for dry blasting at 90–100 PSI. Substrate, pressure and nozzle affect the profile achieved; select the grade from tests under actual field conditions. | |||
Applications
- Ship building and repair – hulls, superstructures, tanks and voids; the garnet of choice for U.S. Navy work
- Industrial painting contractors – facility maintenance, turnarounds, tanks and blast rooms
- Petrochemical – storage tanks, offshore platforms, pipe racks and pipelines
- Blast rooms and heavy-equipment repair where a non-ferrous abrasive is required
- Powder coating and vapor/wet abrasive blasting
Technical & Physical Properties
- Mineral: almandine / pyrope / grossular garnet, 80–90%; sharp, angular, irregular grains; red to pink
- Hardness: 7.5 – 8.5 Mohs
- Specific gravity: 3.9 – 4.1 g/cm³
- Free crystalline silica under 1%; respirable free quartz under 0.1%
- Chlorides under 25 ppm; conductivity under 290 mS/cm; non-hygroscopic; inert, non-reactive; melting point 1,315 °C
- Slightly magnetic; recyclable
Packaging
- 55 lb paper bags (Clemtex stock)
- 2,200 lb and 4,400 lb bulk bags and bulk loads available on request – call your Clemtex branch
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Also available: RockRidge Garnet (30/60, 36, 80 and 120 mesh) and TRU Abrasives Crushed Glass.
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