10.12 TECHNOPOLYMERS AND RUBBERS: resistance to chemical agents

• 1. PLASTIC MATERIALS

• 1.1 Mechanical Strength

• 1.2 Thermal resistance

• 1.3 Strength and surface hardness

• 1.4 Resistance to chemical agents

• 1.5 Resistance to atmospheric agents and UV rays

• 1.6 Flame resistance

• 1.7 Electrical properties

• 1.8 Surface finish and cleanability

• 1.9 Compliance with international standards

• 1.10 Competence of ELESA Technical Department

• 2. METAL MATERIALS

• 2.1 Properties of metal inserts

• 2.2 Clamping knobs with threaded inserts (types of assembly)

• 2.3 Pass-through holes

• 2.4 End of threaded studs

• 3. OTHER MATERIALS

• 4. MACHINING TOLERANCES

• 5. FIXED HANDLES

• 6. ASSEMBLY MEASURES

• 7. SPECIAL EXECUTIONS

• 8. COLOURS

• 9. TEST VALUES

• 10. TECHNICAL TABLES

• 10.1 Conversion table

• 10.2 DIN 79 square holes

• 10.3 KEYWAYS

• 10.4 Transversal holes

• 10.5 Threads

• 10.6 IP – Protection classification for cases

• 10.7 MVK – Fixing the threads by self-gluing

• 10.8 PFB – Fixing threads by means of locking action

• 10.9 STAINLESS STEELS

• 10.10 CARBON STEELS, ZINC ALLOYS, ALLUMINIUM AND BRASS

• 10.11 DUROPLASTS: resistance to chemical agents

• 10.12 TECNOPOLYMERS AND RUBBERS: resistance to chemical agents

• General Information

• Push button

• Stress resistance of technopolymer adjustable handles

• Safety adjustable handles

• Directional control valves

• Symbol

• GRADUATION ENGRAVINGS ON CONTROL KNOBS

• 1. ELESA-CLAYTON ROTARY CONTROLS

• 1.1 Position Indicators

• 1.2 How to select the rotary controls

• 1.3 Special executions

• 2. GRAVITY POSITION INDICATORS

• 2.1 Ratios

• 2.2 Choice of the indicator ratio

• 2.3 Dials

• 2.4 Accuracy

• 2.5 Assembly instructions

• 3. POSITIVE DRIVE INDICATORS

• 3.1 Ratios

• 3.2 Choice of the indicator ratio

• 3.3 Dials

• 3.4 Assembly instructions

• Technical Data for ball transfer units

• General information

• Series

• Guidelines for the choice

• Spirit levels

• 1. INTRODUCTION TO THE TRANSMISSIONS

• 2. TRANSMISSION ELEMENTS

• 2.1 The tooth

• 2.2 Spur gears

• 2.3 Racks

• 3. Technical notes

• 4. APPLICATIONS

• Glossary

• Technical data and guidelines for the choice

• General information

• Features

• Guidelines for the choice

• Magnetic materials

• Adhesive forces

• Types of retaining magnets

• No-slip disks for levelling elements

• Tables of the possible combinations Bases / Stems

• Technical Data

• Seals

• Guidelines for the correct application of plastic hinges

• General information

• Features

• Standard accessories

• Special executions on request

• Warnings for an effective protection of the Reed switches

• Inductive load

• Capacitive load

• Lamp load

• Wiring capacitance

• 1. GENERAL INFORMATION

• 1.1 Rubber wheels

• 1.2 Polyurethane wheels

• 1.3 Monolithic (hard tread) wheels

• 2. BRACKETS

• 2.1 Swivel bracket

• 2.2 Fixed bracket

• 2.3 Swivel bracket with brake

• 3. AXLE SET

• 4. LOADS, FRICTION AND FORCES

• 4.1 Sliding friction

• 4.2 Rolling friction

• 4.3 Tractive force

• 5. CHOOSING THE RIGHT WHEEL

• 5.1 Nature and condition of the ground

• 5.2 Environment

• 5.3 Magnitude and nature of the load

• 5.4 Speed and means of traction

• 5.5 Manoeuvrability

• 5.6 Choosing the wheel

• 6. GLOSSARY

• WHEEL/BRACKET COMBINATIONS

• Introduction to the vacuum

• General features of the rubber compounds

• Resistance to chemical agents

• Operating temperature