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Normas BSI – AENOR
BS EN 60641-3-1:2008

BS EN 60641-3-1:2008

Pressboard and presspaper for electrical purposes. Specifications for individual materials. Requirements for pressboard, types B.0.1, B.0.3, B.2.1, B.2.3, B.3.1, B.3.3, B.4.1, B.4.3, B.5.1, B.5.3 and B.6.1

2008-09-30 /Definitive
Equivalencias internacionales:

EN 60641-3-1:2008

IEC 60641-3-1:2008

IEC 60641-3-1:2008 gives the requirements for pressboard for electrical purposes comprised of 100 % sulphate wood pulp or a mixture of sulphate wood pulp and cotton. The main changes with respect to the previous edition are:
- Requirements for types B.0.3 and B.5.3 were added;
- The precompressed type B.3.1 was divided in B.3.1A and B.3.1B (higher flexibility);
- Types B.6.1 has been replaced with a new type, but the designation has been kept;
- Type B.7.1 has been deleted;
- The thickness relation of the properties has been simplified; and
- The values were adjusted to today's needs of users.
Paper products, Wood pulp, Cotton, Absorption, Sulfates, Dimensional tolerances, Dielectric strength, Electrical insulating materials, Grades (quality), Flexibility, Moulding (process), pH, Elongation, Bulk modulus, Density, Electrical conductivity, Solid electrical insulating materials, Pressboard, Board (paper), Shrinkage, Moisture, Cohesion, Tensile strength, Oils, Thickness, Ash (wood)
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