Thioflex® 600 constructive solutions
Two-part polysulphide sealant
Uses movements should be designed to an optimum width : depth
ratio of 2:1 subject to the overriding recommended minimum
Thioflex 600 is a two part sealant based on a liquid poly- sealant depths set out below :
sulphide polymer. This is available in two grades Gun grade
and Pourable grade. Thioflex 600 PG is a Pourable version 5 mm for metals, glass and other nonporous surfaces. 10mm
designed for use in horizontal joints. Adhesion is excellent to for all porous surfaces;
most common building substrates. The product is particularly 20 mm for trafficked joints and those subject to hydrostatic
recommended for sealing horizontal structural expansion joints pressures.
in most civil engineering structures like building superstruc-
tures, subways, basements, floors and reservoirs. To ensure that the sealant remains within its stated move-
ment capacity (25% MAF) the width of the designed sealing
Advantages
slot should be in accordance with the recommendations of
Forms a tough elastic rubber-like seal. BS:6093:1981 6.2.2 and 6.2.6.
Accommodates continuous and pronounced cyclic Technical Support
movement. The Company provides a technical advisory service supported
Excellent adhesion to most common substrates. by a team of specialists in the field.
Properties
High resistance to ageing influences, physical damage
and climatic extremes. Form : Two-part Compound
Standards compliance Base : paste
Curing agent : paste
British Standard BS:4254:1983
Colour(Mixed material) : Grey
U.S.Federal Specification : TT-S-00227E November 1969
(amended 1970) Storage life : 12 months in original
containers in dry
IS12118 (PT 1&2) - 1987 conditions within the range
IRMRA certification 50C -270C
ASTM C920-87, Type M, grade NS, Class 25. Flash point : Over 650C
Description Solids content : 100%
Thioflex 600 is a two part joint sealant based on a liquid poly- Density : 1.60 - 1.65 Kg/ltr
sulphide polymer. It is supplied as a 2.5 L pack containing a
Curing change : Chemical cure
base component and curing agent in the correct proportions
which, when mixed together, cure to form a tough rubber-like Application : 50C to 500C
material. When cured, the sealant exhibits excellent adhesion Temperature-
to most surfaces including concrete, aluminium and stainless
Pot life : Min. 2 hrs at 250C
steel. Priming is recommended for porous surfaces and for
some specific surfaces and applications. Setting time : 72 hours at 50C
36 hours at 150C
Thioflex 600 is available in two grades. Gun grade for general
18 hours at 250C
applications and Pouring grade for joints in horizontal surfaces.
Cure time : 4 weeks at 50C
Thioflex 600 is particularly recommended for use in high rise
2 weeks at 150C
buildings and other applications where access for subsequent
1 week at 250C
maintenance will be difficult and the risk of early movement
failure must be minimised. It is also suitable for sealing joints Water immersion : Thioflex 600 must be fully cured before
in subways, basements, retaining walls, reservoirs and brick- permanent immersion in water.
work joints.
Toxicity : The curing agent contains heavy metal oxide. It does
Joint size not contain Phenol. Cured sealant must not be burned off
Thioflex® 600
as toxic fumes are generated. When used for sealing joints
Thioflex 600 may be applied to horizontal joints between 5 and
50 mm wide. Joints which are excepted to experience cyclic
page 1 of 4
Thioflex® 600
in potable water tanks, the maximum permissible heavy metal Sol. Any expansion joint filler must be checked to ensure it is
content of 0.1 p.p.m. is not reached until the surface area of tightly packed and no gaps or voids exist at the base of the
the sealant exceeds 9.5 mm2/litre of water, it is recom- sealing slot, before positioning a bond breaker. For construction
mended that the exposed sealant surfaces should not exceed or contraction joints breaker or back up tape should be used.
5mm2/litre of water. Where hydrostatic pressure exists, only bond breaking tapes
must be used not foamed back-up strips. Where a particularly
Shore ‘A’ Hardness
neat finish is required, mask the face edges of the joint before
@ 250C : 18±2
priming and remove immediately after tooling is completed.
Flammability : Burns but does not readily
Priming requirements
support combusion.
The use of a Primer is always required on porous surfaces.
Chemical resistance to occasional spillage
On non-porous surfaces a Primer is not normally required
Dilute acids resistant except where glass or glazed surface are to be permanently
Dilute alkalis resistant immersed in water.
Petrol resistant
Priming
Aviation fuels resistant
Diesel fuel resistant Use Primer 4 on glass, ceramics and metals. The one part
Kerosene resistant chemically active clear liquid is to be applied by brush or pad.
Lubricating oils resistant One thin coat should be applied and allowed to dry for 2-5
White spirit resistant minutes prior to sealant application.
Chlorinated solvents not resistant
Primer 7E is a two part high performance chemically active,
Aromatic solvents not resistant
non-toxic liquid for brush application to prime all concrete, stone,
Dilute oxidising acids not resistant
brickwork, timber and unglazed edges of ceramic tiles. Add
Biological Thioflex 600 has been evaluated
component A of Primer 7E to component B and mix thoroughly
resistance in micro- biologically
until a homogeneous dispersion is achieved. Apply one thin
active situations and has been
coat using a clean, dry brush, ensuring complete coverage.
shown to have resistance to
Avoid over priming resulting in an excess of primer in the base
aerobic conditions.
of the joint or application beyond faces. The mixed Thioflex
Movement 25% butt joint, 600 must be applied when the primer is tack free, that is after
accommodation 50% lap joints the evaporation of the solvent but before the primer film has
factor (MAF) : ( see also under ‘Joint size ) completely reacted. After 6 hours at 200C, or 3 hours at 350C,
Specification clauses the surfaces must be re-primed before applying the sealant.
Joint shall be sealed using Fosroc Thioflex 600, two part, poly- Steel Surfaces
sulphide sealant, manufactured by Fosroc to BS 4254 - 1983. Iron and steel must be protected with an anti-corrosion primer
Joint shall be prepared and the sealant mixed and applied in prior to sealing.
accordance with the manufacturer’s current data sheet.
Mixing
Application instructions
Gun grade
Joint preparation
Both the base component and curing agent are supplied ready
The joint surfaces must be thoroughly dry, clean and frost free. for mixing in a single tin. Mix thoroughly using a slow speed drill
Remove all dust and laitance by rigorous wire brushing, grinding (300-500 rpm) fitted with a paddle stirrer for a full 5 minutes.
or grit-blasting. Remove all rust, scale and protective lacquers Only thorough mixing will result in proper curing. In cold weather
from metal surfaces. Remove any oil or grease with Nitoflor Thioflex 600 mixes more easily if stored overnight at room
temperature. Immediately after mixing, load the sealant into
the gun by means of Gun Filling Device and apply to the joint.
constructive solutions page 2 of 4
Thioflex® 600
Pouring grade 15 x 10 0.300 8.33
Thioflex 600 pouring grade is supplied in two separate contain- 20 x 20 0.400 6.25
ers. The small container contents should be poured into the
40 x 20 0.800 3.12
other tin, and mixed as per the gun grade instructions. The
pouring grade may be poured directly into horizontal joints or 40 x 25 1.000 2.50
loaded into the Gun for application to horizontal joints less
40 x 30 1.200 2.08
than 15mm wide.
40 x 40 1.600 1.56
Finishing
50 x 25 1.250 2.00
Thioflex 600 shall be tooled to a smooth finish. A minimum
of surface lubricant such as dilute detergent solution or white 50 x 30 1.500 1.66
spirit may be used to assist the process. Any masking tape
50 x40 2.000 1.25
should be removed immediately after tooling. Normally, joints
in Thioflex 600 polysulphide sealant will be flush and unpainted. 50 x 50 2.500 1.00
Maintenance Guide to surface conditioner quantities
No special requirement, damage should be repaired if and 1.5 litre of Primer 7E to 150m length of 10x20mm joint.
when it occurs. 1 litre of primer 4 to 150m length of 10 x 20mm joint
Cleaning equipment These are theoretical yields. No allowance has been made
for variation in joint width or wastage.
Clean equipment immediately after use with Nitoflor Sol,
solvent. Storage
Estimating Thioflex 600, polysulphide sealant shall be stored in cool,
dry conditions in original tightly sealed containers. The shelf
Packaging
life of Thioflex 600 and Primer 7E is 12months and 6 months
Thioflex 600 for Primer 4.
(Both Gun Grade and Pourable Grade) 2.5 L pack
Precaution
Primer 7E 500 ml cans
Health and Safety instructions
Primer 4 125ml
Thioflex 600 , polysulphide sealant is poisonous. The curing
Nitoflor Sol 5, 20 L Packs
agent consists of a heavy metal based oxide. Skin contact
Coverage shall be avoided. Impervious rubber or PVC gloves and eye
protection shall be worn. Hands shall be thoroughly washed
Primer 7E 8 -10 m2 / ltr
with soap and water before eating or smoking. Cured sealant
Primer 4 7.5 m2/pack
should not be burnt off due to the generation of toxic fumes.
Guide to Thioflex 600 quantities Empty containers must be collected for careful disposal and
not left lying about.
Joint size Litres/meter Meter run / in mm
run 2.5L pack Primer 7E highly flammable liquid. Shall be stored away from
heat. and shall not be used near a naked flame. Skin contact
5x5 0.025 100.00
shall be contacted. Eye protection and impervious rubber or
10 x 5 0.050 50.00 PVC gloves shall be worn. Splashes must be washed off im-
mediately. Prolonged breathing of vapour shall be avoided.
10 x 10 0.100 25.00
20 x 10 0.200 12.50
constructive solutions page 3 of 4
Thioflex 600
Hands shall be washed thoroughly before eating or smoking.
In the case of eye contact, medical attention shall be sought
immediately.
Flash Point
Primer 7E : 230C
Primer 4 : 100C
Additional information
Technical data and guidance can be provided on a wide range
of admixtures, concreting aids, grouts, repair products and
protective coatings, and the Nitoflor range of industrial flooring
systems which includes non-metallic floor hardeners, epoxy
floor coatings and self levelling floor toppings, epoxy heavy
duty abrasion resistant screeds, and water proofing systems
and adhesives.
For more details, please contact your local Fosroc office.
Important note :
Fosroc products are guaranteed against defective materials and manufacture and are sold subject to its standard terms
and conditions of sale, copies of which may be obtained on request. Whilst Fosroc endeavours to ensure that any advice,
recommendation specification or information it may give is accurate and correct, it cannot, because it has no direct or
continuous control over where or how its products are applied, accept any liability either directly or indirectly arising from the
use of its products whether or not in accordance with any advice, specification, recommendation or information given by it.
Berger Fosroc Limited
Corporate Address:
‘Berger House’, House # 08, Road # 02, Sector # 03, Uttara Model Town, Dhaka 1230, Bangladesh.
telephone( Hunting) : +880248953665, fax : +880248951350,
e-mail : enquiry.bangladesh@bergerfosroc.com, website : www.bergerfosroc.com
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