FindTestingLabs
Registers refreshed 2026-11-06.See refresh dates

ASTM D257 Accredited Testing Labs Worldwide

15 accredited laboratories in 5 countries hold ASTM D257 in their ISO/IEC 17025 scope. Primary accreditors include American Association for Laboratory Accreditation. In the register, ASTM D257 scope entries most often cover Dielectric Breakdown Voltage, Izod Pendulum Impact Resistance, Surface Resistance in Ambient air, Plastics, Water.

Total labs
15
Countries
5

Available in 5 Countries

United States
12 labs
Australia
1 lab
China
1 lab
Germany
1 lab
Japan
1 lab

Top matrices for ASTM D257

Top analytes for ASTM D257

  • Dielectric Breakdown Voltage (1)
  • Izod Pendulum Impact Resistance (1)
  • Surface Resistance (1)
  • Voltage (1)

Sample labs

Element Materials Technology Anaheim
Anaheim, CA, US

ASTM D257; IPC-4101; IPC-4202; IPC-TM-650 (Methods 2.5.17 and 2.5.17.1); UL 746A Hydrolytic Stability IPC-TM-650 (Methods 2.6.11 and 2.6.11.1); IPC-CC-830; IPC-SM-840; FED-STD-141; MIL-I-46058 Moisture and Insulation Resistan

Vertical Laboratories
Glendale, CA, US

ASTM D257 PRO36 Mating/Unmating Forces EIA-364-13 PRO37 Time/Current to Smoke SAE AS4373 Method 507 PRO38 Ice Resistance MIL-DTL-38999 PRO39 Firewall testing EIA-364-45 MIL-DTL-38999 PRO40 Dry Arc Propagation Resistance SAE AS437

Advanced Plastic and Material Testing
Ithaca, NY, US

ASTM D257 DC Resistance or Conductance of Insulating Materials: DC Resistance, Insulation Resistance, Surface Resistance, Surface Resistivity, Volume Resistance, Volume Resistivity ASTM D374, Thickness of Electrical Insulation (Method

Element Materials Technology Detroit – Warren 11 Mile
Warren, MI, US

ASTM D257 Dielectric Testing2 – DC AC 100 V to 15 kV 100 V to 15 kV USCAR 2 MIL-STD-202-301 On the following products and components: motors, alternators, generators, controllers, starters, coils, inductors, transformers, con

Entwicklungs- und Prüflabor Holztechnologie
Dresden, DE

ASTM D257 2014 Standard Test Methods for DC Resistance or Conductance of Insulating Material DIN 51412 -1 2005-06 Testing of petroleum products - Determination of the electrical conductivity - Part 1: Laboratory method DIN 51

Akron Rubber Development
Barberton, OH, US

ASTM D257 DC Resistance or Conductance of Insulating Materials ASTM D991 Volume Resistivity of Electrically Conductive and Antistatic Products EXPOSURE TESTING Test Method Test Accelerated Aging and Heat Resistance ASTM D454 Rub

Element Los Angeles
Duarte, CA, US

ASTM D257 Test Methods for D-C Resistance or Conductance of Insulatin g Materials ASTM D297 Test Method for Rubber Products - Chemical Anal ysis (Section 16.3) ASTM D395 Rubber Pro perty - Compression Set ASTM D412 Test Methods for

Chemitox, Inc., Yamanashi Testing Center KAI
Yamanashi-ken 408-0103, JP

ASTM D257; JIS C5016, JIS K6911, JIS C6481, JIS C6471, JIS C2139-3-1, JIS C2139-3-2; IEC 62631-3-1, IEC 62631-3-2; CAN/CSA C22.2 No. 17 (Section 6.3) Heater Safety Test UL 499 (Sections 33, 36, 37, 38 and 42) Testing performed o

Element Materials Technology Baltimore
Hunt Valley, MD, US

ASTM D257; IPC-TM-650 (Methods 2.5.17.1); MIL-STD-883, Method 5011; IEC 60093 Q Factor/Q Resonance IPC-TM-650 (Method 2.5.28); MIL-I-46058 Dielectric Strength/Dielectric Breakdown/ Electrical Strength Range: AC to 50kV DC to 6

COMPLIANCE ENGINEERING SERVICES
Keysborough, Victoria, AU

ASTM D257-14 – DC Resistance or Conductance of Insulating Materials - Section 12.3 – Surface Resistance or Conductance. Temperature / Humidity IEC 60068-2-1 (2007); IEC 60068-2-1; AS 60068.2.1 (2003); AS 60068-2-1; E

Element Materials Technology Chicago - Mt. Prospect
Mount Prospect, IL, US

ASTM D257 High Voltage/Dielectric Withstanding Voltage (Up to 50 kV AC & 60 KV DC) ASTM D149 Types 1, 3, & 4; MIL-STD-202, Method 301 Contact Resistance, Low Level Contact Resistance (LLCR) (100 μΩ to 200 kΩ) MIL-STD-202, Met

CoorsTek Analytical
Golden, CO, US

ASTM D257 Average Grain Size by Semiautomatic and Automatic Image Analysis ASTM E1382 Microscopic Evaluation of Depth of Grinding Damage CTAL-30-MIC-03

Intertek Testing Services NA
Kentwood, MI, US

ASTM D257; IEC 62631-3-1, 62631-3-2, 60093 (2015) Dimensional 4 Parameter Range CMC (±) 5 Technique Length Up to 12ft Up to 3.6m sphere ±0.0014 in ±0.036mm CMM-ROMER On the following types of materials and products: Autom

Plastics Analytical
Santa Ana, CA, US

ASTM D257

Smithers
Ravenna, OH, US

ASTM D257 Heat and UV Light Discoloration of Light Colored Surfaces ASTM D1148 Fluorescent UV Exposure of Plastics, QUV ASTM D4329 Fluorescent Light Apparatus for UV Exposure ASTM G154 Xenon Arc Light Apparatus for Exposur