Bedienungsanleitung Kathrein CAP 730 - MobiSet 3 Twin (Seite 44 von 64) (Englisch)

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Sikaex

-291i – Product Data Sheet

Further information available at:

www.sika.com

Sikaflex

-291i 2 / 2

Sika UAE LLC

P.O. Box 213233

Dubai, UAE

Tel: +971 4 4398200

Sika Saudi Arabia Co.

Ltd

P.O. Box 112356

Jeddah, KSA

Tel: +966 2 692 7079

Sika Near East s.a.l.

P.O. Box 55163

Beirut, Lebanon

Tel: +961 1 510271

Sika India Pvt. Ltd.

Infinity Towers, 601 'A' Wing

6 th Floor, Mindspace Malad

(W) Mumbai 400064

Tel: +91 22 40384038

Sika FZCO

P.O. Box 213233

Dubai, UAE

Tel: +971 4 260 21 33

Sika Gulf B.S.C.

P.O. Box 15776

Adliya, Bahrain

Tel: +973 17738188

Sika Egypt for Cons.

Chem. S.A.E.

El Obour City

Cairo, Egypt

Tel: +202 46100714

Sika Pakistan (Pvt.) Limited

141-CCA, Phase lV, DHA

Lahore

Tel: +92 42 35694266/67

Cure Mechanism

Sikaflex

-291i cures by reaction

with atmospheric moisture. At low

temperatures the water content of

the air is generally lower and the

curing reaction proceeds slower

(see diagram 1).

Diagram 1: Curing speed for Sikaflex

-291i

Chemical Resistance

Sikaflex

-291i is resistant to fresh

water, seawater, limewater,

sewage effluent, diluted acids and

caustic solutions; temporarily

resistant to fuels, mineral oils,

vegetable and animal fats and oils;

not resistant to organic acids,

alcohol, concentrated mineral

acids and caustic solutions or

solvents.

The above information is offered

for general guidance only. Advice

on specific applications will be

given on request.

Method of Application

Surface preparation

Surfaces must be clean, dry and

free from grease, oil and dust. The

adhesion of the sealant can be

improved by wiping the joint with

an appropriate Sika

activating

agent and Sika

Primer if required.

Advice on specific applications is

available from the Technical Ser-

vice Department of Sika Industry.

Application

Cut off the tip of the nozzle to suit

joint width and apply the sealant

with a suitable hand operated or

compressed-air gun, taking care to

avoid air entrapment.

Do not apply at temperatures

below 10°C or above 40°C. The

optimum temperature for substrate

and sealant is between 15°C and

25°C.

Tooling and finishing

Tooling and finishing must be

carried out within the tack-free time

of the sealant. We recommend the

use of Sika

Tooling Agent N.

Other finishing agents or lubricants

must be tested for suitability / com-

patibility.

Removal

Uncured Sikaflex

-291i can be

removed from tools and equipment

with Sika

Remover-208 or an-

other suitable solvent. Once cured,

the material can only be removed

mechanically.

Hands and exposed skin should be

washed immediately using Sika

Handclean towels or a suitable

industrial hand cleanser and water.

Do not use solvents!

Overpaintability

Sikaflex

-291i can be overpainted

with most conventional paint

systems. The paint must be tested

for compatibility by carrying out

preliminary trials and the best

results are obtained if the sealant

is allowed to cure fully first,

especially in the case of baked

enamels. Please note that non

flexible paint systems may impair

the elasticity of the adhesive,

impair joint movement and lead to

cracking of the paint film.

PVC based paints and paints that

dry by oxidation (oil or alkyd resin

based) are generally not suitable to

overpaint Sikaflex

-291i.

Further Information

Copies of the following publications

are available on request:

- Material Safety Data Sheets

- Sika Pre-Treatment Chart for

Marine Applications

- General Guidelines Bonding and

Sealing with Sikaflex

Packaging Information

Tube 100 ml

Cartridge 300 ml

Unipack 400 ml

Unipack 600 ml

Value Bases

All technical data stated in this

Product Data Sheet are based on

laboratory tests. Actual measured

data may vary due to circumstan-

ces beyond our control.

Health and Safety Information

For information and advice re-

garding transportation, handling,

storage and disposal of chemical

products, users shall refer to the

actual Material Safety Data Sheets

containing physical, ecological,

toxicological and other safety-re-

lated data.

Legal Notes

The information, and, in particular, the

recommendations relating to the appli-

cation and end-use of Sika products,

are given in good faith based on Sika's

current knowledge and experience of

the products when properly stored,

handled and applied under normal

conditions in accordance with Sika's

recommendations. In practice, the

differences in materials, substrates and

actual site conditions are such that no

warranty in respect of merchantability

or of fitness for a particular purpose,

nor any liability arising out of any legal

relationship whatsoever, can be in-

ferred either from this information, or

from any written recommendations, or

from any other advice offered. The user

of the product must test the product’s

suitability for the intended application

and purpose. Sika reserves the right to

change the properties of its products.

The proprietary rights of third parties

must be observed. All orders are ac-

cepted subject to our current terms of

sale and delivery. Users must always

refer to the most recent issue of the

local Product Data Sheet for the prod-

uct concerned, copies of which will be

supplied on request.

Time [days]

23°C (73°F) / 50% r.h.

Thickness of cure [mm]

10°C (40°F) / 50% r.h.

Kathrein CAP 730 - MobiSet 3 Twin Seite 44

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