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• Tech�ol�gyfor P1pehnes Corrosion Prevention
Product Information
Special Advantages
• improved adhesion• for hand and machine application• for steel and non-ferrous metal
surfaces
BUTYLEN-Primer HT, HT25, MT25 Solvent based primers for
BUTYLEN-Tape systems, for the
Description
BUTYLEN-Primers are solutions of butyl rubber and unsaponifiable resins in petroleum spirit. BUTYLEN Primers • improve the peel strength of
BUTYLEN Tapes on the metal
Use
• For hand application by brush orroller: BUTYLEN-Primer HT,HT25 and MT25
Properties
corrosion protective coating of
underground pipelines, tanks
surface and support their corrosion protection performance.
• enclose dust and moisture tracesand neutralise same
• are suitable for steel and for nonferrous metal surfaces
• For machine application:BUTYLEN Primer HT25 andMT25
and installations in combination
with BUTYLEN Tapes.
• are compatible with coatings ofPE, PP, Epoxy, PU andbitumen/coaltar
Property Unit Typical values BUTYLEN-Primer
Standard
Solvent Flash point Density at 23°C Solid contents body Contents of aromatic com!)ounds Viscosity (nozzle 4 mm) at 23°C Drying time for hand a1>1>lication 11
BUTYLEN-Tape to be wrapped within Consum!)tion aoo. by hand Consumption aoo. by machine Operating temperature 2J
-
·cg I cm3
% by weight % by weight
sec. min SI)!).
h
I/ m• I/ m2
·c
HT
petroleum spirit -14
0,7929
< 0,0005 40±5
10 <8
0,2 -
-60°c up to +1 oo·c
1) Depending on temperature, humidity, air movement and pipe surface temperature
2) Depending on BUTYLEN tape system used
HT25 MT25
petroleum spirit petroleum spirit -
-14 � 21 DIN EN 57 0,78 0,80 DIN 51757 24 23 ISO 1515
< 0,0005 < 0,01 GC 25±5 25±5 DIN 53211
5 25 -
<8 <8 -
0,2 0,2 -
0, 1 0, 1 -
-60°c up to +1oo·c -60°c up to +1oo·c -