• 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 -

Specialized Coating Systems (Pty)Ltd www.speccoats.co.za 0861 37 2468