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

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                            Presspaper PSP3050 (Press Paper PB1)

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                            Presspaper PSP3050 (Press Paper PB1)

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                            Product description

                            PRESSPAPER  PSP3050

                            TYPE P 4.1 IN ACCORDING TO IEC 641

                            PRESS PAPER PB1

                            ACCORDING TO JIS C 2111

                             

                            Description:

                            Presspaper PSP3050 and Press Paper PB1 is a special product 100% Virgin,the purest wood cellulose long fibres.Without any additional binding agents,these are made up into a fibrous web and then pressed.Due to its high chemical purity,press paper PSP3050 and  Press Paper PB1 is particularly suited as an insulating material in specially in oil-cooled transformers and high volts electric machine.

                             

                            Features

                            ●Calendered presspaper, good forming properties, 100 % sulphate pulp 

                            ● Color natural 

                            ● High purity and high oil-absorption 

                            ● High electric dielectric strength up to 35kv

                            ●Press paper also suitable for epoxy diamond dot paper

                            ●Good compatibility with liquid dielectrics 

                             

                            Applications

                            As interlayer insulation in liquid-filled transformers.

                             

                            Available

                            Thickness: 0.10mm – 0.50mm

                            Both in roll and sheet are available

                            Width: 500mm – 1250mm

                            Special sizes are available on request

                            Different color are available on request

                             

                             POWERWELL

                             

                             POWERWELL

                             

                             

                            Technical Data (Presspaper PSP3050)

                             

                             

                            Test standard 

                            Measured value

                            Standard value

                            Thickness tolerance

                            IEC 641-2

                            ±10 %

                            ±10 %

                            Apparent density

                            IEC 641-2

                            1.1 g/cm³

                            1.0 - 1.2 g/cm³

                            Min. tensile strength M.D, unfolded

                            IEC 641-2

                            90 N/mm²

                            80 N/mm²

                            Min. tensile strength C.M.D, unfolded

                            IEC 641-2

                            50 N/mm²

                            40 N/mm²

                            Min. elongation M.D, unfolded

                            IEC 641-2

                            6.50%

                            6%

                            Min. elongation C.M.D, unfolded

                            IEC 641-2

                            13%

                            12%

                            Max. moisture content

                            IEC 641-2

                            8%

                            8%

                            Max. ash content

                            IEC 641-2

                            0.50%

                            1%

                            pH of aqueous extract

                            IEC 641-2

                            7-9

                            6-9

                            Max. shrinkage M.D

                            IEC 641-2

                            0.70%

                            1%

                            Max. shrinkage C.M.D

                            IEC 641-2

                            1.20%

                            1.50%

                            Max. thickness shrinkage

                            IEC 641-2

                            5%

                            7%

                            Min. oil absorption

                            IEC 641-2

                            25%

                            12%

                            Min. breakdown voltage in air, unfolded, normalized

                            IEC 641-2

                            10 kV/mm

                            9 kV/mm

                            Min. breakdown voltage in oil

                            IEC 641-2

                            60 kV/mm

                            40 kV/mm

                            Measured values determined at 0.2 mm thickness.

                             

                            Technical Data (Press Paper PB1)

                             

                             

                            Test standard 

                            Measured value

                            Standard value

                            Thickness tolerance

                            JIS C 2111

                            0.25mm

                            ±0.02mm

                            Apparent density

                            JIS C 2111

                            1.18 g/cm³

                            0.95 - 1.3 g/cm³

                            Min. Tensile strength M.D

                            JIS C 2111

                            14 kg/mm²

                            7 kg/mm²

                            Min. Tensile strength C.M.D

                            JIS C 2111

                            4.5 kg/mm²

                            3.0 kg/mm²

                            Min. Elongation M.D

                            JIS C 2111

                            2.5%

                            2.0%

                            Min. Elongation C.M.D

                            JIS C 2111

                            8.5%

                            4.0%

                            Max. shrinkage C.D

                            JIS C 2111

                            1.2%

                            2.0%

                            Max. shrinkage T.D

                            JIS C 2111

                            6.0%

                            8.0%

                            Min. Dielectric breakdown Strength

                            JIS C 2111

                            8.5 kV/mm

                            6.5 kV/mm

                            Measured values determined at 0.25 mm thickness.

                             

                            Although the above values have been determined by conscientious testing, they provide only general guidelines. Our company has implemented several programs to assure the highest quality and reliability of this product. Due to the wide range of applications, however, no responsibility can be assumed for its use.

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                            ADD: 158 WU YI ROAD, CHANGSHA, HUNAN, CHINA
                            TEL:
                            +86-731-8229 9698, 8224 3908
                            FAX: +86-731-8224 3598
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