My Account
ZaMac Surface Protection offers sandblasting services, protective coatings, floor surface preparation and on-site solutions. To improve blasting efficiency, BlastOne suggested GMA Garnet.
Together, ZaMac and BlastOne conducted several trials comparing GMA NewSteel Garnet and imported garnet. Factors included abrasive consumption rate, blasting speed and cost of blasting. A lightly rusted, road plate steel was used as the test surface to blast.
PROJECT OBJECTIVES
Achieve specified surface cleanliness and roughness standards
Generate considerable savings in production costs
Increase production capacity
Minimize dust levels on worksite
RESULTS
Comparing GMA NewSteel to Staurolite, we had the following results:
| Abrasive | Blast Area | Blast Time | Abrasive Consumption | Blasting Speed | |
 |
Staurolite | .55 m2 | 96 s | .375 t/hr | 20.6 m2/hr |
 |
GMA NewSteel | 1.26 m2 | 185 s | .194 t/hr | 24.6 m2/hr |
(Equipment used: 6001b Clemco Pressure Release Blast Pot, 390 cfm Diesel Compressor, No. 6 Blast Nozzle at 105psi at the nozzle)
|
|
|
|---|---|---|
| Abrasive | Staurolite | GMA NewSteel |
| Blast Area | .55 m2 | 1.26 m2 |
| Blast Time | 96 s | 185 s |
| Abrasive Consumption | .375 t/hr | .194 t/hr |
| Blasting Speed |
20.6 m2/hr |
24.6 m2/hr |
(Equipment used: 6001b Clemco Pressure Release Blast Pot, 390 cfm Diesel Compressor, No. 6 Blast Nozzle at 105psi at the nozzle)
Unfortunately, at the time, no sound readings were taken from further away, outside of the blast room. The difference in noise is even more obvious when you move further away.
Using the True Cost Abrasive Blasting Formula, we calculated the amount of abrasive used per square metre by each nozzle.
| Abrasive | Consumption Rate | Abrasive Purchase Cost Delivered | Abrasive Disposal Cost | Labor and Equipment Cost | Production Rate | Blasting Costs |
| Staurolite | .375 t/hr | $650/t | $100/t | $150/hr | 20.6 m2/hr | $20.91 per m2 |
| GMA NewSteel | .198 t/hr | $900/t | $100/t | $150/hr | 22.54 m2/hr | $14.18 per m2 |
| Abrasive | Staurolite | GMA NewSteel |
| Consumption Rate | .375 t/hr | .198 t/hr |
| Abrasive Purchase Cost | $650/t | $900/t |
| Abrasive Disposal Cost | $100/t | $100/t |
| Labor and Equipment Cost |
$150/hr |
$150/hr |
| Production Rate |
20.6 m2/hr |
24.54 m2/hr |
| Blasting Costs |
$20.91 per m2 |
$14.18 per m2 |
As one of the largest powder coating companies in central NSW, this client’s high standard powder coating finish ensures that fabricated steel products can withstand years of outdoor exposure and usage. They offer abrasive blasting, zinc powder priming and powder coating services.
With the launch of BlastOne’s new SnakeBite nozzle, a large powder coating company wanted to test its efficiency. Together, we hosted a trial comparing a #7 BlastOne Ultra Tuff nozzle to the new SnakeBite Strike #10 nozzle. The trials focused on production rate and noise level. Additionally, abrasive consumption rates were also calculated to showcase overall cost.
CONCLUSION
Our results show that GMA NewSteel Garnet is more productive than Staurolite Garnet. There is a 48.2% reduction in abrasive consumption and 19.4% increase in blasting speed. Overall costs were reduced by 32.18%.
Experience the BENEFITS
HIGH PRODUCTIVITY
Superior cleaning rate against other abrasives.
COST EFFECTIVE
Lower garnet usage, labor, clean up and disposal cost.
SAFER TO USE
Meets industry, government and environmental safety standards.
Garnet vs. Slag Abrasive
GMA Garnet: Reduces Abrasive Consumption by 48%
CASE STUDIES
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