Page 74 - Parker - Energy Products Division - Multitube (Instrument and Heat Trace Tubing Products)

General Technical Information Catalog Number 4200-M-2

Back to Table of Contents

Material Specifications for Jackets: Polyurethane (PUR) Jacket: Black, abrasion-
and corrosion-resistant compound with excellent
Flame Resistant Polyvinyl Chloride (FR PVC)
hydrolytic stability.
Jacket: Black, 105C rated, flame-resistant, corrosion-
Flame Resistant Polyurethane (FR PUR) Jacket:
resistant thermoplastic compound with excellent
Black, flame-retarding, abrasion- and corrosion-
low-temperature flexibility properties. Meets or
resistant compound which exhibits excellent low-
exceeds ASTM D-1047, IPCEA S-19-81, IPCEA
temperature properties, hydrolysis resistance, and
S-61-401.
fungus resistance which has a UL94 flame test rating
Thermoplastic Rubber (TPR) Jacket: Black,
of V-0.
corrosion- and weather-resistant thermoplastic rubber
Low Density Polyethylene (LDPE) Jacket: Black,
material.
weather-resistant grade, high molecular weight, low-
Flame Resistant Thermoplastic Elastomer density compound which meets the requirements
(FR TPE) Jacket: Black, flame-retarding of ASTM D-1248-72 as follows: Type I, Class A,
thermoplastic elastomer compound. UL94-V-0 flame Category 4, Grade E5.
classification. Passes IEEE vertical flame test. Meets Flame Resistant Polyethylene (FR PE) Jacket:
ASTM D-2671 copper mirror corrosion test standards. Black, weather-resistant, high molecular weight,
flame-resistant polyethylene compound which meets
the UL94 V-2 flame classification.
Selecting a Jacket Material
Parker Multitube Instrument and Heat Trace Tubing Products are currently offered with a choice of several
jacket materials. The purpose of this report is to present the main properties of the standard thermoplastics
and to discuss selection factors for various Multitube products.

The following table provides a summary of the main properties of the standard jacket materials. Additional
details can be provided on request to the factory.

Current Jacket Materials for Multitube Products
105°C TPR FR TPE PUR FR PUR LDPE FRPE
FR PVC
Hardness, Shore A 72 92 87 90 75 50D 90
Abrasion resistance G G G E E G G
Mechanical resistance G F G E E G G
Max. continuous service ˚F 221 248 266 250 180 150 150
Low temp. brittleness ˚F -41 -55 -69 -40 -90 -80 -80
Rec. min. installation˚F -35 -50 -60 -20 -70 -50 -60

Environmental Resistance
Aliphatic hydrocarbons F P G G G G G
Aromatic hydrocarbons U P F G G G F
Halogenated solvents U P P P P F-P P
Acids F G E F F G G
Alkalies F G E G G G E
Oils G F E G G E G
Water G E E G G E E
Weathering G* F* E* E* E* G* G*

Flamability
Oxygen index 24 NFR 24.7 NFR 26 NFR 25
UL94 vertical flame test V-2 — V-0 — V-0 — V-2
IEEE vertical tray flame test Pass — Pass — Pass — Pass
Water absorption, 24 hours, % .1 1.5 .3 1.0 1.5 .01 0.3

E = Excellent G = Good F = Fair P = Poor U = Unsatisfactory NFR = Not flame resistant
Note: Bundles may also be armored with galvanized steel, arch-shaped, spiral wound sheet metal designed for greater crush protection and pull-apart resistance.
Please refer to product bulletins in the Instrument Tubing and Pre-Insulated Tubing section of the Multitube catalog for data on standard Multitube products
utilizing the jacket materials described in this engineering report.
*Requires carbon black for ultraviolet (U.V.) resistance.
Parker Hannifin Corporation
71 Energy Products Division 72