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                            Time of issue:2020-01-10 00:00:00

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                            Pressboard PSP3050 (Transformer Board PSP3050)

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                            Pressboard PSP3050 (Transformer Board PSP3050)

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                            Product description

                            PRESSBOARD  PSP3050

                            (TRANSFORMER BOARD  PSP3050)

                            TYPE B 2.1.A IN ACCORDING TO IEC 641-1

                             

                             

                            Description

                            Pressboard PSP3050 (Transformer Board PSP3050) is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed.Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, capacitors and oil-filled transformers.

                             

                            Features

                            ·  Insulation class A (105 °C)

                            ·    Natural-coloured

                            ·   Calandered Pressboard, 100% sulphate pulp

                            ·  High Flexible and Soft

                            · Low shrinkage and compatibility

                            · High purity and mechanical strength

                            · Good compatibility with liquid dielectrics

                            ·  Further processing is ensured since the pressboard can be punched, folded,cut and formed without difficulty.

                             

                            Applications

                            To use as insulations material in Power and Distribution Transformers

                            It is the base material for components like corrugated boards, cyclinders, rings and mouldable parts.

                             

                            Available

                            Thickness: 0.80mm4.0mm

                            Sheet dimension: 1000mm x 2000mm, 2100mm x 4200mm

                            Special dimentions on request

                             

                             POWERWELL

                             

                             POWERWELL

                             

                            Technical Data:

                             

                             

                            Test standard

                            Measured value

                            Standard value

                            Thickness tolerance

                            IEC 641-2

                            ≤ 1.6 mm 6.00 %

                            ±7.5 %

                            > 1.6 - 8.0 mm 3.00 %

                            ± 5.0 %

                            Apparent density

                            IEC 641-2

                            ≤ 1.6 mm 1.09 g/cm3

                            1.00 - 1.20 g/cm3

                            > 1.6 - 4.0 mm 1.15 g/cm3

                            1.10 - 1.25 g/cm3

                            Min. tensile strength M.D. unfolded

                            IEC 641-2

                            ≤ 1.6 mm 75 N/mm2

                            70 N/mm2

                            > 1.6 - 4.0 mm 90 N/mm2

                            80 N/mm2

                            Min. tensile strength C.M.D, unfolded

                            IEC 641-2

                            ≤ 1.6 mm 60 N/mm2

                            50 N/mm2

                            > 1.6 - 4.0 mm 70 N/mm2

                            55 N/mm2

                            Min. elongation M.D, unfolded

                            IEC 641-2

                            6.50%

                            6.00%

                            Min. elongation C.M.D, unfolded

                            IEC 641-2

                            8.10%

                            8.00%

                            Max. moisture content

                            IEC 641-2

                            7.60%

                            8.00%

                            Max. ash content

                            IEC 641-2

                            0.80%

                            2.00%

                            pH of aqueous extract

                            IEC 641-2

                            6.3

                            6.0 - 9.0

                            Max. shrinkage M.D

                            IEC 641-2

                            0.40%

                            0.50%

                            Max. shrinkage C.M.D

                            IEC 641-2

                            0.60%

                            0.70%

                            Max. thickness shrinkage

                            IEC 641-2

                            3.90%

                            5.00%

                            Min. oil absorption

                            IEC 641-2

                            ≤ 1.6 mm 13.7 %

                            11.00%

                            > 1.6 - 4.0 mm 10.6 %

                            9.00%

                            Compressibility C

                            IEC 641-2

                            ≤ 1.6 mm 9.4 %

                            10.00%

                            > 1.6 - 4.0 mm 5.7 %

                            7.50%

                            Revers. part of compressibility Crev

                            IEC 641-2

                            ≤ 1.6 mm 54 %

                            45%

                            > 1.6 - 4.0 mm 71 %

                            50%

                            Min. breakdown voltage in oil

                            IEC 641-2

                            ≤ 1.6 mm 15 kV/mm

                            12 kV/mm

                            > 1.6 - 4.0 mm 13 kV/mm

                            10 kV/mm

                            Max. conductivity of aqueous extract

                            IEC 641-2

                            ≤ 1.6 mm 3.3 mS/m

                            10 mS/m

                            > 1.6 - 4.0 mm 3.5 mS/m

                            10 mS/m

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                            ADD: 158 WU YI ROAD, CHANGSHA, HUNAN, CHINA
                            TEL:
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                            FAX: +86-731-8224 3598
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