Moldex 6620 Goin' Green Review — NRR 33 Uncorded Foam Earplug, 200 pairs
Moldex 6620 Goin' Green NRR 33 Uncorded — Eco-Friendly PVC-Free Foam Earplug for Green Worksites and LEED-Certified Facilities
The Moldex 6620 Goin' Green is Moldex's eco-conscious NRR 33 foam earplug — PVC-free foam, dye-free construction, and packaging made from post-consumer recycled materials. Performance is identical to Moldex's standard NRR 33 foam: EPA-labelled NRR, Made in USA, 200 pairs per box. The differentiation is sustainability: the Goin' Green line addresses ESG reporting requirements, green procurement policies, LEED certification documentation, and workforce preferences for environmentally-responsible PPE sourcing. This review covers the 6620's eco credentials, NRR 33 attenuation, OSHA 29 CFR 1910.95 compliance, comparison across the Goin' Green family, and how it stacks up against other Moldex NRR 33 options.
Editorial Verdict — 4.3 / 5
The Moldex 6620 Goin' Green delivers NRR 33 protection in an eco-responsible package: PVC-free, dye-free, post-consumer recycled packaging, Made in USA. For facilities with green building certifications, ESG sustainability commitments, or Buy Green procurement programs, the 6620 is the default NRR 33 foam earplug. For the corded variant, see Moldex 6622 Goin' Green Corded.
Pros
- NRR 33 — maximum labelled NRR for a formable foam earplug; same performance as non-eco alternatives
- PVC-free foam — reduces chemical-of-concern content for green procurement programs
- Dye-free foam — eliminates dye-related skin sensitivity concerns for sensitive users
- Post-consumer recycled packaging — supports LEED waste diversion and sustainable sourcing credits
- Made in USA (Covina, California) — domestic sourcing for Buy American and federal procurement
- EPA-labelled under 40 CFR Part 211 Subpart B
Cons
- Dye-free green color less vibrant than lime Meteors — slightly lower compliance visibility distance
- Cylindrical profile — no passive insertion guidance vs. Softies three-ridge design
- No jar bulk format available in Goin' Green line
- Corded variant sold separately as Moldex 6622
Product Specifications: Moldex 6620 Goin' Green Uncorded
| Specification | Value |
|---|---|
| Model Number | Moldex 6620 |
| NRR | 33 dB |
| Format | Bulk box, 200 pairs, uncorded |
| Foam Type | PVC-free, dye-free polyurethane |
| Color | Natural/off-white (dye-free) |
| Packaging | Post-consumer recycled materials |
| EPA NRR labelling | EPA 40 CFR Part 211 Subpart B |
| Country of Origin | USA (Covina, CA) |
| Standard | ANSI/ASA S3.19 |
Eco-Friendly Earplug Design: What PVC-Free and Dye-Free Mean for Your Program
The Moldex 6620 Goin' Green line was developed to address growing demand from facilities pursuing sustainability certifications and ESG reporting. Key eco attributes:
- PVC-free foam: Standard foam earplugs may contain PVC (polyvinyl chloride) compounds or plasticizers. PVC-free foam reduces the chemical-of-concern content in the product, supporting green chemistry principles and procurement programs that restrict substances of concern under frameworks like REACH or California Prop 65 transparency requirements.
- Dye-free: The absence of synthetic dyes eliminates a potential sensitizer for workers with skin sensitivities or latex/chemical sensitivities. It also simplifies chemical disclosure documentation for green certification purposes.
- Post-consumer recycled (PCR) packaging: The outer packaging is made from PCR materials, supporting LEED MR (Materials & Resources) credits for sustainable purchasing and waste reduction documentation.
None of these eco attributes reduce attenuation. The Moldex 6620 achieves NRR 33 — identical to the Moldex 6870 Meteors, Moldex 6608 Camo Plugs, and Moldex 6683 Softies Jar — under the same ANSI/ASA S3.19 test methodology.
It is worth being precise about what the eco claims do and do not certify, because procurement and sustainability teams have to defend these data points in audits. The 6620's value is in documentable material attributes — PVC-free and dye-free foam, and packaging produced from post-consumer recycled stock — not in a third-party ecolabel on the earplug itself. Those attributes are the kind of supplier-level evidence that LEED documentation specialists, ESG report authors, and green-procurement officers can cite directly in their own filings. The honest framing for any sustainability claim is therefore narrow and verifiable: the 6620 lets a facility reduce chemicals of concern and divert packaging waste while holding the maximum NRR, rather than promising a carbon-neutral or compostable product it does not claim to be.
NRR 33 Effective Protection Calculations
| Workplace TWA | OSHA's enforcement 50% safety factor | Effective Exposure | OSHA Compliant? |
|---|---|---|---|
| 85 dB(A) | −13 dB(A) | 72 dB(A) | Yes |
| 90 dB(A) | −13 dB(A) | 77 dB(A) | Yes |
| 95 dB(A) | −13 dB(A) | 82 dB(A) | Yes |
| 100 dB(A) | −13 dB(A) | 87 dB(A) | Yes |
| 103 dB(A) | −13 dB(A) | 90 dB(A) | Yes (OSHA PEL limit) |
| 110 dB(A) | −13 dB(A) | 97 dB(A) | Dual protection required |
Two cautions belong with this table. First, the −13 dB figure is the deliberately conservative OSHA's enforcement 50% safety factor of the labeled NRR; the laboratory rating itself is higher, but field attenuation is what protects a worker, and field attenuation is driven by fit and insertion discipline far more than by the number on the box. A 6620 rolled down thin and seated deeply on a trained worker performs near the derated estimate; the same plug inserted shallow on an untrained worker can fall well short. Second, the rightmost column reads compliance against the OSHA 90 dB(A) PEL, but a well-run hearing conservation program targets the 85 dB(A) action level and aims to keep protected exposure comfortably below it rather than just under the legal ceiling. Used correctly, the 6620's NRR 33 gives ample margin across the full single-protector range up to about 103 dB(A) TWA, beyond which dual protection becomes the appropriate control.
Goin' Green vs. Other Moldex NRR 33 Uncorded Earplugs: Sustainability Comparison
| Product | NRR | PVC-Free | Dye-Free | Recycled Pkg |
|---|---|---|---|---|
| Moldex 6620 Goin' Green | 33 | Yes | Yes | Yes |
| Moldex 6870 Meteors | 33 | Standard | Lime dye | Standard |
| Moldex 6608 Camo Plugs | 33 | Standard | Camo dye | Standard |
| Moldex 6683 Softies Jar | 33 | Standard | Peach dye | Standard |
Worker Acceptance, Insertion Technique, and Compliance Visibility
The 6620's eco attributes only matter if workers actually wear the plug, so the practical experience on the floor deserves attention. The PVC-free foam keeps the soft, slow-recovery expansion that makes a foam plug comfortable across a full shift, and most workers transitioning from a standard colored plug report no meaningful difference in feel. To capture the rated protection, train on the universal three-step method: roll the cylindrical body into a thin, crease-free cylinder, reach over the head to pull the outer ear up and back to straighten the canal, and hold the seated plug in place for several seconds while the foam expands to fill the canal. A plug that re-expands before it is fully inserted is the most common reason a worker falls short of the rated attenuation.
The one honest trade-off of the Goin' Green design is compliance visibility. Because the foam is dye-free and a natural off-white rather than the high-visibility lime of the Moldex 6870 Meteors, a supervisor scanning a production floor cannot confirm earplug use from as far away. For facilities whose hearing conservation program leans on visual spot-checks from a distance, a high-visibility plug may be the better behavioral tool; for facilities where eco credentials and chemical-sensitivity reduction are the priority, the 6620 is the right default, and visibility can be managed with closer supervision or signed-off PPE checklists instead. The cylindrical body also gives less passive insertion guidance than a stepped or three-ridge design, which makes upfront training the deciding factor in achieving consistent fit.
Sustainability Lifecycle, Disposal, and Procurement Documentation
A credible green-procurement story considers the whole lifecycle, not just the box. On the inbound side, the post-consumer recycled packaging diverts material from virgin stock and gives the receiving team a documentable waste-reduction data point; flatten and recycle the outer cartons through the facility's existing cardboard stream to keep that benefit intact. On the outbound side, single-use foam earplugs are a consumable that ends in the waste stream, so the most effective sustainability lever is not the plug's recyclability — used foam plugs are generally not recyclable and should be discarded — but reducing total consumption through proper fit, dispenser discipline, and not over-issuing. The dye-free, PVC-free formulation also narrows the chemical-of-concern profile that REACH-aligned and Prop 65-transparency programs have to disclose.
For ESG and LEED filings, keep the documentation specific and supplier-sourced. Capture the PVC-free and dye-free material declarations, the recycled-content statement for the packaging, and the Made-in-USA (Covina, California) origin, which separately supports Buy American and domestic-sourcing requirements on federal and many institutional contracts. Route these data points to whoever owns the LEED MR credit submission or the ESG supplier questionnaire, and confirm credit applicability with the project's LEED documentation specialist rather than assuming a given credit applies. Treating the 6620 as one well-documented line item in a broader sustainable-PPE program — rather than as a standalone green claim — is what makes it defensible in an audit.
Frequently Asked Questions: Moldex 6620 Goin' Green NRR 33 Uncorded
Q: What is the NRR of the Moldex 6620 Goin' Green?A: The Moldex 6620 has an NRR of 33 dB — the maximum for a disposable foam earplug under ANSI/ASA S3.19. Effective attenuation per OSHA's enforcement 50% safety factor is approximately 13 dB(A).
Q: What makes the Moldex 6620 Goin' Green eco-friendly?A: The Moldex 6620 uses PVC-free foam, dye-free construction, and packaging made from post-consumer recycled materials. These attributes support LEED documentation, ESG reporting, and green procurement program requirements without compromising NRR 33 performance.
Q: Is the Moldex 6620 suitable for LEED-certified facilities?A: Yes. The post-consumer recycled packaging and PVC-free foam of the Moldex 6620 Goin' Green supports LEED MR credits for sustainable purchasing and waste reduction. Consult your LEED documentation specialist to confirm credit applicability for your project.
Q: Is the Moldex 6620 NIOSH approved?A: No. Hearing protectors are not NIOSH-approved - NIOSH approves respirators. The NRR label on the Moldex 6620 is required by the EPA under 40 CFR Part 211 Subpart B, tested per ANSI S3.19-1974.
Q: Is there a corded version of the Moldex 6620 Goin' Green?A: Yes. The Moldex 6622 Goin' Green Corded provides the same PVC-free, dye-free NRR 33 foam with a tether cord, in 100-pair boxes.
Q: Are Moldex Goin' Green earplugs made in the USA?A: Yes. The Moldex 6620 is manufactured in Covina, California, supporting Buy American procurement requirements alongside the eco credentials.
Q: Does dye-free foam affect attenuation?A: No. The dye-free construction of the Moldex 6620 does not affect acoustic properties. NRR 33 is achieved through foam density, cell structure, and geometry — not colorants.
Q: Is PVC-free foam softer or different to the touch than standard foam?A: PVC-free foam may feel slightly different than PVC-containing alternatives, but Moldex's Goin' Green formula maintains the soft, slow-recovery expansion properties needed for comfortable fit and reliable acoustic seal. Workers transitioning from PVC-containing earplugs typically report no meaningful difference in comfort.
Q: What OSHA noise levels require the Moldex 6620 for compliance?A: The Moldex 6620 NRR 33 is required (or any NRR providing adequate protection) when workers are exposed to noise at or above 85 dB(A) TWA per OSHA 29 CFR 1910.95. The 6620 single-protector coverage extends to 103 dB(A) TWA per OSHA derating.
Q: How does the Moldex 6620 compare to the Moldex 6870 Meteors for OSHA HCP programs?A: Both are NRR 33, 200-pair, Made in USA. The Moldex 6870 has a bell-shaped body and high-visibility lime color for production floor compliance monitoring. The Moldex 6620 Goin' Green has a cylindrical body with eco-certified attributes. For facilities prioritizing visibility monitoring, choose 6870. For eco credentials, choose 6620.
Q: How does the Moldex 6620 Goin' Green support ESG reporting?A: ESG (Environmental, Social, Governance) frameworks increasingly require supply chain sustainability documentation. The Moldex 6620 PVC-free, dye-free, recycled-packaging attributes provide documentable green procurement data points for ESG sustainability reports and supplier questionnaires.
Q: Is the Moldex 6620 appropriate for workers with chemical sensitivities?A: The dye-free PVC-free construction of the Moldex 6620 reduces potential sensitizing agents compared to standard colored foam earplugs. Workers with known foam dye sensitivities or chemical sensitivities may find the Goin' Green a better-tolerated option. Always consult occupational health if specific allergies are documented.
Q: Can I use Moldex 6620 for dual hearing protection?A: Yes. For environments above 103 dB(A) TWA, combine the Moldex 6620 with compatible earmuffs from the WC Safety hearing protection collection. Add 5 dB to the higher NRR per OSHA dual-protection guidance.
Q: What regulatory standard governs the NRR 33 for Moldex 6620?A: NRR is measured under ANSI/ASA S3.19, referenced by EPA 40 CFR Part 211, Subpart B. OSHA uses this rating with 50% derating under 29 CFR 1910.95 for compliance calculations.
Q: Where can I buy Moldex 6620 Goin' Green earplugs?A: The Moldex 6620 is reviewed on WC Safety. Also on Check Price on Amazon →.
Q: Does NIOSH recognize eco-friendly earplug attributes in its approval process?A: The EPA sets the NRR labelling rules for hearing protectors under 40 CFR Part 211 Subpart B, with attenuation measured to ANSI S3.19-1974. Eco attributes (PVC-free, dye-free) are not part of the EPA NRR labelling requirements but do not interfere with it. The Moldex 6620 carries a full NRR 33 EPA label alongside its eco attributes.
Related Moldex Earplug Reviews and Hearing Protection Resources
- Moldex 6622 Goin' Green Corded — NRR 33, same eco foam with tether cord
- Moldex 6870 Meteors Uncorded — NRR 33, bell-shaped lime, high-visibility
- Moldex 6608 Camo Plugs Uncorded — NRR 33, camouflage pattern
- Moldex 6683 Softies Jar — NRR 33, 500-pair bulk jar, three-ridge foam
- Moldex 6920 Zebras Uncorded — NRR 31, bicolor high-contrast foam
- Moldex 6820 Mellows Uncorded — NRR 30, thermosensitive foam
- Moldex 6630 Meteors Small Uncorded — NRR 28, smaller diameter for narrow canals
- Shop all hearing protection at WC Safety
Citations: OSHA 29 CFR 1910.95 (Occupational Noise Exposure / Hearing Conservation Amendment); ANSI/ASA S3.19 (Method for the Measurement of the Real-Ear Attenuation of Hearing Protectors); NIOSH Publication No. 98-126 (Criteria for a Recommended Standard: Occupational Noise Exposure); EPA 40 CFR Part 211, Subpart B (Hearing Protector Device Labeling).
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