Direct Plastics Ltd. Unit 14 Portland Business Park, Richmond Park Road, Sheffield, S13 8HS

Tel: 0114 2560889 Email: sales@directplastics.co.uk The following information corresponds with our current knowledge and indicates our products and possible applications. We cannot give a legally binding guarantee of certain

properties or the suitability for a specific application. Existing commercial patents must be observed. A definitive quality guarantee is given in our generalconditions of sales. Unless otherwise stated, these values represent averages taken from injection moulding samples.

We reserve the right of technical alterations.

Tufnol Whale

SRBF - Synthetic resin Bonded Fabric

Medium weave cotton/phenolic resin laminate

Colour: Natural (brown)

Density: 1.36(sheet) 1.35(rod)/cm³

Mechanical Properties Value Unit

Cross breaking strength 130 MPa

Charpy impact strength (notched) 11.5 kJ/m2

Compressive strength (flatwise) 310 MPa

Compressive strength (edgewise) 200 MPa

Shear strength (flatwise) 90 MPa

Tensile strength 68 MPa

Young’s modulus 6.3 GPa

Thermal Properties Value Unit

Maximum working temperature – continuous 120 °C

Maximum working temperature – intermittent 130 °C

Thermal classification E

Thermal conductivity through laminae 0.32 W/(mK)

Thermal expansion in plane of laminae 2.2 X10-5

/K

Specific heat 1.5 kJ/(kgK)

Electrical properties Value Unit

Insulation resistance after immersion in water 1 x 108

Ω (ohms)

Electric strength (edgewise in oil @ 90°C) 12 kV

Electric strength (flatwise in oil @ 90°C) 1.6mm thk. 4.5 MV/m

Electric strength (flatwise in oil @ 90°C) 3mm thk. 2.6 MV/m

Electric strength (flatwise in oil @ 90°C) 6mm thk. 2.0 MV/m

Other Properties Value Unit

Water absorption 1.6mm thk. 90 Mg

Water absorption 3mm thk. 105 Mg

Water absorption 6mm thk. 130 Mg

Water absorption 12mm thk. 160 Mg

Water absorption (rod) 3.3 Mg/cm2

Specifications

Sheet - BS EN 60893-3-4 Type PF CC 203

Rod - BS EN 61212-3-3 Type PF CC 42

Material Data Sheet

Direct Plastics Ltd. Unit 14 Portland Business Park, Richmond Park Road, Sheffield, S13 8HS

Tel: 0114 2560889 Email: sales@directplastics.co.uk The following information corresponds with our current knowledge and indicates our products and possible applications. We cannot give a legally binding guarantee of certain

properties or the suitability for a specific application. Existing commercial patents must be observed. A definitive quality guarantee is given in our generalconditions of sales. Unless otherwise stated, these values represent averages taken from injection moulding samples.

We reserve the right of technical alterations.

Tufnol 1P/13

SRBP - Synthetic Resin Bonded Paper

Paper/Phenolic resin laminate

Colour: Natural (brown)

Density: 1.36/cm³

Mechanical Properties Value Unit

Cross breaking strength 175 MPa

Charpy impact strength (notched) 3.9 kJ/m2

Tensile strength 164 MPa

Youngs modulus 10.4 GPa

Shear strength (flatwise) 100 MPa

Thermal Properties Value Unit

Maximum working temperature – continuous 90 °C

Maximum working temperature – intermittent 120 °C

Thermal classification E

Electrical properties Value Unit

Insulation resistance after immersion in water 5 x 108

Ω (ohms)

Electric strength (edgewise in oil @ 90°C) 25 kV

Electric strength (flatwise in oil @ 90°C) 1.6mm thk. 10 MV/m

Electric strength (flatwise in oil @ 90°C) 3mm thk. 6.2 MV/m

Electric strength (flatwise in oil @ 90°C) 6mm thk. 4.0 MV/m

Loss tangent at 1 MHz 0.04 -

Permittivity at 1 MHz 5.4 -

Other Properties Value Unit

Water absorption 1.6mm thk. 65 Mg

Water absorption 3mm thk. 80 Mg

Water absorption 6mm thk. 100 Mg

Water absorption 12mm thk. 150 Mg

Specifications

BS EN 60893-3-4 Type PF CP 201

Material Data Sheet

Direct Plastics Ltd. Unit 14 Portland Business Park, Richmond Park Road, Sheffield, S13 8HS

Tel: 0114 2560889 Email: sales@directplastics.co.uk The following information corresponds with our current knowledge and indicates our products and possible applications. We cannot give a legally binding guarantee of certain

properties or the suitability for a specific application. Existing commercial patents must be observed. A definitive quality guarantee is given in our generalconditions of sales. Unless otherwise stated, these values represent averages taken from injection moulding samples.

We reserve the right of technical alterations.

Tufnol Kite

SRBP - Synthetic Resin Bonded Paper

Paper/Phenolic resin laminate

Colour: Natural (brown)

Density: 1.36/cm³

Mechanical Properties Value Unit

Cross breaking strength 175 MPa

Charpy impact strength (notched) 2.7 kJ/m2

Compressive strength (flatwise) 350 MPa

Compressive strength (edgewise) 200 MPa

Shear strength (flatwise) 105 MPa

Resistance to flatwise compression 1.2 %

Thermal Properties Value Unit

Maximum working temperature – continuous 90 °C

Maximum working temperature – intermittent 120 °C

Thermal classification E

Thermal conductivity through laminae 0.26 W/(mK)

Thermal expansion in plane of laminae 1.8 X10-5

/K

Specific heat 1.5 kJ/(kgK)

Electrical properties Value Unit

Insulation resistance after immersion in water 1 x 1010

Ω (ohms)

Electric strength (edgewise in oil @ 90°C) 55 kV

Electric strength (flatwise in oil @ 90°C) 1.6mm thk. 14.5 MV/m

Electric strength (flatwise in oil @ 90°C) 3mm thk. 13 MV/m

Electric strength (flatwise in oil @ 90°C) 6mm thk. 8.8 MV/m

Loss tangent at 1 MHz 0.037 -

Permittivity at 1 MHz 5.1 -

Other Properties Value Unit

Water absorption 1.6mm thk. 39 Mg

Water absorption 3mm thk. 47 Mg

Water absorption 6mm thk. 56 Mg

Water absorption 12mm thk. 70 Mg

Specifications

BS EN 60893-3-4 Type PF CP 206

Material Data Sheet