Duratuf Premium Electrical Rubber Mat in the USA for High-Voltage Safety
In the United States, electrical insulating mats are a legally mandated item under OSHA. 29 CFR 1910.137 explicitly names ASTM D178 as the national consensus standard deemed to be in compliance with OSHA’s performance requirements for rubber insulating matting. 29 CFR 1910.335(a)(1)(i) requires the use of insulating equipment including mats to protect workers from electrical shock hazards. 29 CFR 1926.97 applies the same requirements to construction operations. All rubber insulating matting used in US workplaces must be marked with the voltage class (Class 0 to Class 4), the type (Type I or Type II), and the manufacturer’s identification. NFPA 70E provides the overarching workplace electrical safety framework within which these mat requirements operate.
The USA is the world’s largest economy and its electrical safety mat demand reflects that scale across every industrial sector. Duke Energy, NextEra Energy, Southern Company, AEP, and Dominion Energy operate some of the world’s largest distribution networks, with distribution substations nationwide requiring ASTM D178-compliant safety matting. The Gulf Coast petrochemical corridor spanning Texas and Louisiana is the largest chemical manufacturing region in the Americas with extensive electrical maintenance requirements. The United States became the world’s largest LNG exporter in 2023, generating demand for certified electrical safety equipment in their control rooms and switchgear areas. The CHIPS and Science Act (2022) is driving over $52 billion in domestic semiconductor fab investment, each requiring certified electrical safety equipment for new fab utility infrastructure.
Duratuf ASTM D178 electrical insulating mats are type-tested across Class 0 to Class 4, covering working voltages from 1.0 kV to 36.0 kV. Type I mats are available for standard installations. Type II mats with ozone, flame, or oil resistance and are available for petrochemical, refinery, and outdoor environments where these additional properties are specified. IEC 61111:2009 mats are available on request for facilities operating under international parent company specifications or joint venture contracts that reference international norms. Both ranges include type-test certificates and compliance documentation suitable for OSHA PPE compliance records and NFPA 70E program documentation.
Certifications & Memberships
Technical Specification of Electrical Insulating Mats
ASTM D178 Switchboard Mat Specifications
| Properties | Type-I | Type-II |
|---|---|---|
| Material Composition | Made of elastomer or combination of elastomeric compound | |
| Tensile Strength (min) | 4.83 MPa (700psi) | |
| Elongation at Break (min) | 250% | |
| Ageing Properties at 70±1°C for 168 hours. | Tensile strength not less than 50% of original value | |
| Moisture Absorption (% increase) | 1.5% (max) | 3% (max) |
| Ozone Resistance (Type IIA) | N.A. | No visible effect |
| Flame Resistance (Type IIB) | N.A. | 12.7 mm height max after 30 secs. |
| Oil Resistance | N.A. | 4% max volume increase. |
| * Unless specified otherwise, ASTM D178 mats is supplied as per Type I grade. Type II grade (A-Ozone Resistance, B-Flame Resistance, C-Oil Resistance) with a combination of all three or individual properties is also availble on request. | ||
| Note: ± 0.8 – 1.2 mm on thickness & ± 13-25 mm on width (subject to mat’s class and width) | ||
| Product Code | Class | Max Use Voltage | AC Proof Voltage | Dielectric Voltage | Recom. Thickness |
|---|---|---|---|---|---|
| IM-ASTM-C0 | 0 | 1.0 kV | 5.0 kV | 10.0 kV | 3.2 mm |
| IM-ASTM-C1 | 1 | 7.5 kV | 10.0 kV | 20.0 kV | 4.8 mm |
| IM-ASTM-C2 | 2 | 17.0 kV | 20.0 kV | 30.0 kV | 6.4 mm |
| IM-ASTM-C3 | 3 | 26.5 kV | 30.0 kV | 40.0 kV | 9.5 mm |
| IM-ASTM-C4 | 4 | 36.0 kV | 40.0 kV | 50.0 kV | 12.7 mm |
Unless specified, ASTM D178 mats are supplied as Type I. Type II variants with ozone, flame, or oil resistance are available on request.
Applications of Electrical Switchboard Mat in United States
Electrical insulating mats are an OSHA-mandated safety item wherever workers operate or maintain live electrical equipment at system voltage. Duratuf ASTM D178 electrical insulating mats can be used across the following installation types in the United States:
- Investor-owned utility (IOU) distribution substations at 13.8kV, 25kV, and 34.5kV.
- Gulf Coast LNG export terminal electrical control rooms and switchgear areas.
- Gulf Coast petrochemical complex electrical rooms.
- CHIPS Act semiconductor fabrication utility infrastructure.
- Nuclear power plant electrical maintenance areas.
- Automotive and EV manufacturing plant electrical control rooms.
- Data center electrical infrastructure for hyperscale operators.
- Defense and aerospace manufacturing facility electrical rooms.
- Mining operation electrical maintenance areas.
- Generator rooms
- Data centers
- Manufacturing floors
- Workshops
- Temporary work-stations
ASTM D178 Electrical Safety Mat | Switchboard Mat | Duratuf Products
Exclusive Features Of Duratuf Electrical Insulation Rubber Mats
High Di-electric Strength
Quality-Certified
Safety-Audit Passed
Chemical, UV, Ozone and Flame Retardant
Moisture and Water Resistant
Up to 10,000 sq m Ready Stock
Free Expert Guidance
Competitive Pricing
End-to-End Customer Support
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