Chemical & Mechanical Tests

ENPAY Insulation Laboratories are internationally accredited according to ISO/IEC 17025.

ENPAY Insulation Laboratories have a broad range of chemical and mechanical tests applicable for electrical insulation materials in compliance with international standards as well as specifically designed standards for various materials to be accredited some of which are listed below:

• Pre-compressed pressboard, Presspaper - IEC 60641
• Laminated Pressboard - IEC 60763
• Laminated Wood - IEC 61061
• Insulation Papers - IEC 60554
• Insulation Fluids - IEC 60296
• Industrial Rigid Laminated Sheets – IEC 60893
• Industrial Rigid Round Laminated Tubes and Rods – IEC 61212

The tests and measurements are performed not only on the raw materials but also on the components made of these materials.

Physical Conditions of Insulation Laboratory Conditions 

• Covered Area: cca. 200 m2 
• Temperature: 23±2°C
• Relative Humidity: 50±5%

Mechanical Tests

Universal Testing Machines enabling maximum force of 50 kN and 100 kN with Environmental Chamber (up to +350°C) are used to perform mechanical tests.

The below-mentioned tests below are performed both on the raw materials and finished products according to IEC standards

• Tensile Strength & Elongation 
• Flexural Strength
• Modulus Elasticity
• Internal Ply Strength
• Compressibility
• Ply bond resistance
• Thickness
• Apparent Density
• Shrinkage

Chemical Tests

Following tests are performed in ENPAY Laboratories in compliance with relevant standards by using special devices and requisite chemicals.

• Moisture Content 
• Determination of water by automatic coulometric Kari Fischer titration on solid and liquid materials.
• Ash Content
• Conductivity of Aqueous Extract
• Ph of Aqueous Extract 
• Degree of Polymerization
• Contamination of Liquid Dielectrics
• Metallic Particles

Cellulose, Pulp and Paper Tests

The quality of cellulose is continuously monitored by conducting tests in terms of incoming inspection.