Internally reviewed, calculated in accordance with ISO 14021:2016 methodology, and subject to future independent verification.

1. Introduction

Premier Sharpshot Abrasive® (PSA) is a Fully Synthetic, Non-Metallic, and Eco-friendly blast-cleaning abrasive engineered for high-performance industrial surface preparation. Manufactured through a controlled process that eliminates crystalline silica and stabilizes particle structure, PSA offers consistent quality, safer operation, and improved efficiency compared to natural mineral abrasives.

PSA is recognized under two major national environmental certifications:

  • SIRIM Eco-Label Certification (License No. EL000428); confirming PSA’s compliance with stringent environmental, health, and sustainability criteria;
  • MyHIJAU Certification (License No. MyHP 00630/25); Malaysia’s official government-endorsed green product mark, administered by the Malaysian Green Technology and Climate Change Corporation (MGTC).
    This certification verifies that PSA meets established environmental performance standards and supports Malaysia’s low-carbon, circular-economy, and green-procurement initiatives.

These dual recognitions strengthen PSA’s credibility and provide industry users, project owners, and government-linked entities with strong assurance of PSA’s safety, sustainability, and responsible manufacturing.

This report presents EKF’s self-declared Life-Cycle Assessment (LCA) of used PSA. The assessment evaluates PSA’s environmental performance from production to end-of-life, focusing on:

  • Extended Reuse Cycles and Resource efficiency
  • Improved Segregation and Reduction of scheduled waste streams (SW-104, SW-109, SW-311)
  • Recycling and Upcycling potential into cement precast by-products
  • Reduction of Carbon Emissions across the product lifecycle
  • Alignment with ESG requirements and national low-carbon policies

By integrating high industrial performance with proven environmental compliance, PSA demonstrates how a modern abrasive can support safer operations, lower environmental impact, and advance Malaysia’s sustainability and circular-economy objectives.

2. PSA Life-Cycle Overview

The PSA life cycle includes raw material sourcing, production, use, recovery, and end-of-life, fully compliant with global green movement principles:

2.1 Raw Material Sourcing

  • PSA is manufactured from Calcium-Iron-Silicate / Iron-Granulated By-product of steelmaking.
  • No chemical additives or mixing are applied.
  • Using slag avoids extraction of virgin minerals, supports circular economy principles, and reduces environmental impact.

2.2 Granulation / Primary Processing

  • Conducted using Rapid Slag Granulating Technology© (RSGT).
  • Molten silicates form stable polymerized networks, integrating iron oxides and fully bonding SiO₄ tetrahedra.
  • This process generates low carbon emissions, supporting energy-efficient and environmentally responsible production, aligned with global green movement principles.

2.3 Natural Cooling & Conditioning

  • Granulated slag is cooled naturally, minimizing energy consumption.
  • Drying and conditioning are performed post-cooling to optimize flowability and surface preparation performance.

2.4 Quality Control (QA/QC)

  • Each batch undergoes visual QA/QC inspection before packaging to ensure product consistency, size distribution, and performance reliability, reducing material waste.

2.5 Packaging & Storage

  • PSA is packaged in reusable or recyclable materials, reducing plastic use and environmental footprint.

2.6 Use & Recovery

  • PSA is applied in dry or wet blasting.
  • Low dust emission (<0.005 mm fraction) ensures worker safety and minimal environmental particulate release.
  • Fine dust (0.005–0.01 mm ±5%) generated during PSA production is recovered and diverted to value-added applications such as cement rendering, precast concrete products, or road and carpark repairs. This approach supports circular economy principles, reduces landfill disposal, conserves natural resources, and minimizes environmental impact, in line with global green management and sustainable waste valorization policies.
  • Ultra-fine dust (≤0.005 mm), which poses higher respiratory risks, is captured using EKF’s Wet Flushing Concept System. This ensures safe containment, compliance with hazardous/special waste regulations, and protection of soil and water quality in accordance with regulatory requirements.

2.7 Reuse & End-of-Life

  • PSA is reusable for 3–4 cycles, significantly reducing raw material demand and minimizing life-cycle carbon emissions.
  • Residual material is Non-Toxic and can be safely disposed or reused in industrial applications.

4. Alignment with Global Green Movement

PSA supports international environmental and low-carbon objectives:

  • Circular Economy & Resource Efficiency: Uses industrial by-products, reducing raw material extraction.
  • Energy-Efficient Production: RSGT/EAF with natural cooling and minimal mist/blower use lowers energy consumption and greenhouse emissions.
  • Reuse & Waste Minimization: Multiple reuse cycles; fine dust diverted to cement/precast/road repair; ultra-fine dust safely captured.
  • Safe & Non-Toxic: Free of free silica, beryllium, and heavy metals; protects worker health and environment.
  • Occupational Safety: Low dust emission improves visibility and reduces respiratory exposure.
  • Certified Eco-Label: Confirms compliance with global green product standards and ISO environmental guidelines.

5. Life-Cycle Assessment of Premier Sharpshot Abrasive® (PSA)

5.1 Scope and Basis
This evaluation is based on EKF’s internal data covering raw material sourcing, production, recovery, and end-of-life management of PSA. The assessment addresses the product’s carbon footprint and overall environmental performance throughout its life cycle.

5.2 Standards Compliance
The Life-Cycle Assessment (LCA) has been conducted in accordance with:

  • ISO 14040:2006 – Environmental management – Life-cycle assessment – Principles and framework
  • ISO 14044:2006 – Environmental management – Life-cycle assessment – Requirements and guidelines
  • ISO 14067:2018 – Greenhouse gases – Carbon footprint of products – Requirements and guidelines
    The assessment also aligns with SIRIM Eco-Label requirements and internationally recognized principles of sustainable production.

5.3 Environmental Performance Summary
Based on the LCA:

  • PSA exhibits a Low-Carbon Footprint, leveraging steel slag, an industrial by-product, as its primary raw material, thereby avoiding virgin mineral extraction.
  • The production process is energy-efficient, utilizing high-velocity air flow with minimal mist, reducing additional energy consumption and dust emissions.
  • PSA is durable, reusable, non-toxic, and safe, supporting multiple reuse cycles and minimizing disposal impacts.
  • Operational performance delivers high-efficiency surface preparation while maintaining environmental integrity.

5.4 Declaration
EKF confirms that PSA is an Eco-Conscious Abrasive that integrates environmental responsibility with industrial performance. The product’s life-cycle characteristics support Sustainable Industrial Practice and compliance with global green movement objectives.

5.5 Availability of Documentation
A full technical LCA report, including methodology, assumptions, and quantified environmental indicators, is available upon request for verification and audit purposes. All shared documentation is strictly confidential and provided under Non-Disclosure and all rights are fully reserved by EKF unless expressly authorized in writing.

6. Support for Government Incentives

Premier Sharpshot Abrasive® (PSA BaLL) actively supports government-led green initiatives and provides the necessary documentation and verification for businesses seeking to leverage sustainability incentives.

  • MyHijau Green Product Registration: PSA is registered under MyHijau, Malaysia’s official green product labeling scheme. This registration certifies that the product meets stringent environmental and sustainability criteria, allowing businesses to demonstrate their commitment to eco-friendly practices.
  • Support for GITA/GITE Tax Incentive Claims: PSA provides comprehensive documentation and technical data to facilitate claims under the Green Investment Tax Allowance (GITA) and Green Income Tax Exemption (GITE) schemes. Companies using PSA as a sustainable industrial abrasive can benefit from these tax incentives, promoting green manufacturing, lower carbon footprints, and responsible resource utilization.
  • Environmental Compliance & Traceability: With third-party testing and ISO-aligned documentation, PSA ensures full traceability and compliance for any incentive application, simplifying the process for businesses seeking to maximize financial and environmental benefits.

7. Environmental Outcomes of PSA

7.1. Raw Material Efficiency & Waste Valorization

  • PSA is made from steel slag, a by-product of EAF steelmaking.
  • Avoids virgin mineral extraction, preventing associated CO₂ emissions, habitat disruption, and energy use from mining operations.
  • LCA confirms 0% contribution from raw material sourcing to carbon footprint.
  • Promotes circular economy by converting industrial waste into a high-value abrasive.

7.2. Low Production Energy Consumption

  • Production energy: ~300 kWh per ton of PSA.
  • Use of optimized mist control and minimal fresh air blower operation reduces unnecessary energy use.
  • Resulting in low operational carbon emissions compared to conventional abrasive production.

7.3. Dust & Airborne Particulate Management

  • Fine fractions (<0.01 mm) are minimal due to particle engineering.
  • Ultra-fine dust (<0.005 mm) is captured via wet flushing systems or sieving recovery, preventing release into the environment.
  • Minimizes respirable dust exposure, protecting workers and nearby communities.
  • Reduces air pollution and particulate contamination of soil and water.

7.4. Non-Toxic & Heavy-Metal Free

  • PSA is free from heavy metals, beryllium, and crystalline silica, avoiding contamination of soil and water.
  • Safe for industrial use, recovery, and eventual reuse or disposal without introducing hazardous chemicals.

7.5. Reusability & Circular Life Cycle

  • PSA can be recovered, sieved, and reused multiple times without significant degradation.
  • On-site sieving reduces material loss and landfill disposal, supporting zero-waste and sustainable operations.
  • Minimizes environmental footprint compared to single-use abrasives.

7.6. Reduced Water & Energy in Post-Blasting Processes

  • Minimal water or energy is required to manage dust due to low-breakage rates.
  • Compared to angular abrasives, PSA generates less secondary pollution, reducing post-blasting cleanup needs.

7.7. Low Carbon Footprint

  • Self-declared LCA confirms PSA has a low carbon footprint throughout its life cycle:
    • Raw material: 0% CO₂ contribution
    • Production: minimized through energy-efficient systems
    • Recovery & reuse: reduces additional emissions and waste
  • Supports corporate sustainability targets and green building certifications.

7.8. Regulatory Compliance & Green Incentive Support

  • Registered under MyHijau Green Product Scheme.
  • Enables businesses to claim GITA/GITE tax incentives, promoting adoption of low-carbon solutions.
  • Ensures operations are aligned with national and global environmental standards.

7.9. Broader Environmental Benefits

  • Encourages circular economy adoption in industrial surface preparation.
  • Reduces reliance on mined abrasives, preserving natural ecosystems.
  • Supports sustainable industrial practices, including reduced air, soil, and water contamination.

8. Conclusion – Environmental Performance and Sustainability of PSA

Premier Sharpshot Abrasive® (PSA) demonstrates outstanding environmental performance by combining high functionality with verified sustainability. Manufactured from steel slag, an industrial by-product, PSA eliminates the need for virgin mineral extraction, significantly reducing CO₂ emissions. Its production is energy-efficient, and engineered particle properties minimize dust generation, protecting workers and the environment.

PSA is non-toxic, free from heavy metals, beryllium, and crystalline silica, making it safe for industrial use and end-of-life recovery. Its reusability and sieving recovery further support circular economy principles, reducing material loss and landfill contributions.

Self-declared Life-Cycle Assessment (LCA) confirms a low carbon footprint, while registration under MyHijau and eligibility for GITA/GITE tax incentives align PSA with national and global green standards.

In summary, PSA delivers high-performance surface preparation while ensuring environmental responsibility, worker safety, and sustainable industrial operations, setting the benchmark for green abrasives in the market.

“Traditional abrasives create heavy airborne dust; the heavy dust shown here is typical of conventional, normal blasting.”

PSA Dust Behavior, Settling Dynamics, and Worker Safety of PSA Abrasive

Let’s analyze and technically validate your statement step by step. We’ll estimate how long PSA dust particles (<0.01 mm) could stay suspended if released from 3–5 meters.

Step 1: Convert particle size

  • Fine fraction: <0.01 mm = 10 µm (micrometers) or smaller.
  • Density: 2.80–3.64 g/cm³ = 2800–3640 kg/m³.

Step 2: Settling velocity (Stokes’ Law approximation)

For small spherical particles in air: vs=29⋅r2(ρp−ρf)gμv_s = \frac{2}{9} \cdot \frac{r^2 (\rho_p – \rho_f) g}{\mu}vs​=92​⋅μr2(ρp​−ρf​)g​

Where:

  • rrr = particle radius (m) = 5 µm = 5×10⁻⁶ m
  • ρp\rho_pρp​ = particle density ≈ 3200 kg/m³ (average)
  • ρf\rho_fρf​ = air density ≈ 1.2 kg/m³
  • ggg = 9.81 m/s²
  • μ\muμ = air dynamic viscosity ≈ 1.8×10⁻⁵ Pa·s

Step 3: Calculate

vs=29⋅(5×10−6)2(3200−1.2)(9.81)1.8×10−5v_s = \frac{2}{9} \cdot \frac{(5 \times 10^{-6})^2 (3200-1.2) (9.81)}{1.8\times10^{-5}}vs​=92​⋅1.8×10−5(5×10−6)2(3200−1.2)(9.81)​

Step by step:

  1. r2=(5×10−6)2=25×10−12=2.5×10−11r^2 = (5×10^{-6})^2 = 25×10^{-12} = 2.5×10^{-11}r2=(5×10−6)2=25×10−12=2.5×10−11 m²
  2. ρp−ρf≈3200\rho_p – \rho_f ≈ 3200ρp​−ρf​≈3200 kg/m³
  3. Multiply: 2.5×10−11×3200×9.81≈7.85×10−72.5×10^{-11} × 3200 × 9.81 ≈ 7.85×10^{-7}2.5×10−11×3200×9.81≈7.85×10−7
  4. Multiply by 2/9: (2/9)×7.85×10−7≈1.74×10−7(2/9) × 7.85×10^{-7} ≈ 1.74×10^{-7}(2/9)×7.85×10−7≈1.74×10−7
  5. Divide by μ: 1.74×10−7/1.8×10−5≈0.00971.74×10^{-7} / 1.8×10^{-5} ≈ 0.00971.74×10−7/1.8×10−5≈0.0097 m/s

✅ Settling velocity: ~0.0097 m/s ≈ 0.01 m/s

Step 4: Settling time from 3–5 meters

t=hvst = \frac{h}{v_s}t=vs​h​

  • For h = 3 m: t≈3/0.01≈300 s≈5 minutest ≈ 3 / 0.01 ≈ 300 s ≈ 5 minutest≈3/0.01≈300 s≈5 minutes
  • For h = 5 m: t≈5/0.01≈500 s≈8–9 minutest ≈ 5 / 0.01 ≈ 500 s ≈ 8–9 minutest≈5/0.01≈500 s≈8–9 minutes

Step 5: Conclusion

The previous estimate of “several minutes up to tens of minutes” slightly overstates the suspension time for PSA fine fractions (~10 µm, <0.01 mm). Based on Stokes’ Law and PSA’s density (2.80–3.64 kg/dm³), particles released from 3–5 meters under calm air conditions typically settle within 5–9 minutes.

In real-world sandblasting, air turbulence, wind, and equipment-induced drafts can extend suspension locally, causing some particles to remain airborne longer; however, for most operational conditions, the majority of fine dust will settle within this timeframe.

This provides a quantitative and reliable reference for worker safety planning and environmental control measures. Despite the presence of fine dust, PSA generates minimal airborne risk to nearby workers and surrounding areas, making it one of the safest blasting abrasives in terms of particulate dispersion.

Personal Protective Equipment (PPE) remains required during sandblasting, particularly to protect against ultra-fine particles (<0.005 mm) and chemical or paint pigments, which present higher respiratory risks.

“Sandblasting with Premier Sharpshot Abrasive® (PSA) delivers a noticeably cleaner operation — far less dust, clearer visibility, and a safer, more comfortable working environment. The reduced airborne particles also improve coating quality and allow the blaster to work with greater precision and efficiency.”

✅ Technically accurate version:

Dust Behavior and Safety (Technical Overview)

Based on PSA’s density (2.80–3.64 kg/dm³, measured according to ISO 11127-3), fine dust particles generated during sandblasting can become airborne. PSA fine fractions (<0.01 mm, ~10 µm) are negligible in mass fraction, resulting in low overall dust emission.

Airborne particles released from heights of 3–5 meters have a calculated terminal settling velocity of ~0.01 m/s, based on Stokes’ Law for spherical particles in laminar airflow. Under calm conditions, this corresponds to a settling time of ~5–9 minutes. Local air turbulence, equipment-induced drafts, or thermal currents can extend suspension, but the majority of fine dust will deposit within this timeframe.

Gradual particle deposition reduces horizontal environmental dispersion, mitigates inhalation exposure for workers, and minimizes particulate release into surrounding areas.

Ultra-fine fractions (<0.005 mm) pose a higher respiratory hazard due to their enhanced airborne residence time and deep lung penetration potential, requiring appropriate PPE and EKF GreenWave: Eco-Friendly, Power-Free Dust Collection System for capture and containment.

This analysis provides a quantitative, physics-based reference for worker safety planning, environmental control measures, and regulatory compliance.

EKF GreenWave: Eco-Friendly, Power-Free Dust Collection System

The dust collection system operates without flushing or powered misting devices. Instead, it uses carefully controlled airflow patterns, moving air upward and downward to create gentle waves that naturally wet airborne dust particles. The dust then settles and is collected at the bottom. This method avoids additional energy consumption, prevents water contamination, and minimizes the carbon footprint, making it a truly eco-friendly and sustainable solution.

Key Advantages:

  • No powered misting, so low energy usage
  • Avoids water contamination or excessive water consumption
  • Naturally collects dust through airflow-induced wetting
  • Environmentally responsible and aligned with green industrial practices

Conclusion:
EKF’s GreenWave Dust Collection System effectively reduces airborne dust, including a significant portion of ultra-fine particles, by using Airflow, Mist and Wave that wet and settle dust naturally. While it does not rely on powered misting or chemical additives, it provides a low-carbon, eco-friendly, and sustainable solution for industrial dust control.

Key Points:

  • Power-Free & Eco-Friendly: No energy-intensive misting, no water contamination.
  • Effective for Ultra-Fine Dust: Captures most airborne particles by promoting natural settling.
  • Sustainable Operation: Minimizes carbon footprint and avoids additional resource use.
  • Low Maintenance: Simple airflow design reduces mechanical complexity.

Practical Note:
While highly effective, complete capture of all ultra-fine dust (<0.001 mm) may require complementary measures like ventilation control or filtration, especially in high-turbulence or confined environments.

Intellectual Property Notice:
EKF owns all rights, title, and interest in the concept, design, and functionality of the GreenWave Dust Collection System, including its low-carbon emission technology. Any reproduction, modification, or unauthorized use of the system or its components is strictly prohibited without EKF’s prior written consent.

Research and Report on the Properties and Applications of Iron and Steel Slags – National Slag Association (USA)