TUFNOL materials for engineering

Whale Brand TUFNOL

Cotton fabric laminate

Medium weave cotton/phenolic resin laminated plastic

(SRBF - Synthetic resin Bonded Fabric)

A general purpose grade for mechanical applications.

Whale Brand TUFNOL is a good, general-purpose medium weave grade for mechanical applications.  It has excellent all round physical properties with strength, good toughness and wear resistance. It is used for electrical insulation at low voltages only.

What is Whale Brand used for?

Whale Brand is a most useful general purpose material and is the most popular grade for a wide range of mechanical applications and general uses, such as gears, spacers, jigs and fixtures, wear resistant components, low voltage insulation and many others.

TYPES AVAILABLE	Sheets	Rods	Tubes	Other sections
Natural colour	Yes	Yes	Yes	Yes
Black Whale Brand .	Yes*
Graphite-impregnated Whale Brand	Yes*	Yes*	Yes*	Yes*

·          Minimum order quantities may apply.

Click here for Whale Brand TUFNOL STANDARD SIZES

SPECIFICATIONS for Whale Brand TUFNOL

BRITISH STANDARDS	Current Standards	Recent Standards (now obsolete)
Sheet	BS EN 60893-3-4 Type PF CC 203	BS 2572 Type F2
Round Rod	BS EN 61212-3-3 Type PF CC 42	BS 6128 Part 2 Type PF CC 23
Rectangular Bar	BS 6128 Part 4 Type PF CC 43
Hexagon Bar	BS 6128 Part 6 Type PF CC 63
Round Tube	BS EN 61212-3-2 Type PF CC 33	BS 6128 Part 9 Type PF CC 92
Rectangular Tube	BS 6128 Part 13 Type PF CC 131
NEMA*
Sheet	NEMA LI-1-1983 Type LE
DIN*
Round Rod and Tube	DIN 7735 TYPE Hgw 2088 & 2089

*Testing and certification to these standards is subject to special enquiry.   Standard quality testing is to British Standards.

PHYSICAL PROPERTIES

Whale Brand TUFNOL Sheet

PROPERTY	TYPICAL RESULT	UNITS
Cross breaking strength	130	MPa
Impact strength, notched, Charpy	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
Water Absorption
- 1.6mm thk.	90	mg
- 3mm thk.	105	mg
- 6mm thk.	130	mg
- 12mm thk.	160	mg
Electric strength, flatwise in oil at 90ºC
- 1.6mm thk.	4.5	MV/m
- 3mm thk.	2.6	MV/m
- 6mm thk.	2.0	MV/m
Electric strength, edgewise in oil at 90ºC	12	kV
Insulation resistance after immersion in water	1x108	ohms
Relative density	1.36	-
Maximum working temperature**
- continuous	120	ºC
- intermittent	130	ºC
Thermal classification	Class E	-
Thermal conductivity through laminae	0.32	W/(mK)
Thermal expansion in plane of laminae	2.2	X 10-5/ K
Specific heat	1.5	kJ/(kgK)

Test methods as BS EN 60893-2, where applicable.

Whale Brand TUFNOL Round Tube

PROPERTY	TYPICAL RESULT	UNITS
Axial compressive strength	170	MPa
Cohesion between layers	130	MPa
Water absorption	3.2	mg/cm2
Insulation resistance after immersion in water	1x107	ohms
Relative density	1.35	-

Test methods as BS EN 61212-2, where applicable.

Whale Brand TUFNOL Round Rod

PROPERTY	TYPICAL RESULT	UNITS
Flexural strength	130	MPa
Water absorption	3.3	mg/cm2
Insulation resistance after immersion in water	1x107	ohms
Axial electric strength in oil at 90ºC	4	kV
Relative density	1.35	-

Test methods as BS EN 61212-2, where applicable.

**Users of highly stressed components at temperatures approaching the maximum are recommended to seek further advice from Tufnol Composites Ltd.

Return to Home page

A full machining service is available from Tufnol for this and many other engineering plastics and composites.

Tufnol Composites Ltd, Wellhead Lane, Perry Barr, Birmingham B42 2TB, United Kingdom.

Quality Registration BS EN ISO 9001:2000, BS EN 9100:2003 and AS 9100 Reg. No. FM 90942

The information given here is believed to be correct, but completeness and accuracy are not guaranteed. The user shall be fully responsible for determining the suitability of products for the intended use.