Guarniflon G439/GLASS + PIGMENT

Identification & Functionality

Additives Included

Pigment (Unspecified)

Chemical Family

Fluoropolymers

Fillers Included

Glass Fiber

Polymer Name

Polytetrafluoroethylene (PTFE)

Reinforcement Material

Glass Fibers

Technologies

Composite Materials,

Plastics

Product Families

Composite Materials — Parts & Shapes

Plastics — Parts, Shapes & Films

Features & Benefits

Materials Features

Chemical Resistant,

Good Compressive Strength,

Good Thermal Conductivity,

Low Thermal Expansion,

Wear Resistant

Applications & Uses

Markets

Automotive & Transportation,

Building & Construction,

Consumer Goods,

Electrical & Electronics,

Industrial

Applications

Consumer Goods — Appliances & Electronics

Automotive & Transportation — Automotive

Cooling & Climate,

Fuel Systems,

Other Automotive Applications

Building & Construction — Building Materials

Pipes & Plumbing,

Structural Components

Industrial — Chemical & Industrial Manufacturing

Equipment & Parts,

Other Industrial Applications

Electrical & Electronics — Parts & Components

Other Parts & Components

Plastics & Elastomers End Uses

Bearings,

Valve Seats

Properties

Physical Form

Rods,

Sheets,

Tube

Typical Properties

	Value	Units	Test Method / Conditions
Specific Gravity	2.18 - 2.22	g/cm3	ASTM D792
Hardness	min. 60	Shore D	ASTM D2240
Tensile Strength	min. 20	N/mm2	ISO 527
Elongation at Break	min. 250	%	ISO 527
Deformation Under Load (13,7 N/mm2, 24 h at 23°C)	max. 14	%	AASTM D621
Permanent Deformation (After 24 h Relaxation at 23°C)	max. 7	%	AASTM D621
Coefficient of Linear Thermal Expansion 25-100°C	11 - 13	10-5(mm/mm)/°C	ASTM D696
Coefficient of Dynamic Friction	0.09	-	ASTM D1904
Volume Resistivity at 500 V	10^12	Ω.cm	ASTM D267

Regulatory & Compliance

Certifications & Compliance

KTW - W270 Certified (DE),

KTW Certified (DE),

WRAS (UK)