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Joint sealants systems

Bauflex 35 | Joint sealants

BAUFLEX® 35

Single component high performance sealant for flooring

Single component sealant for jointsBAUFLEX® 35 is a 1‐component, polyurethane based elastic sealant, with high mechanical resistance.

 

 

 

AREAS OF USE
  • Contraction and expansion joints in floors
    • Indoor and outdoor applications for warehouses, production areas, pedestrian and traffic areas
    • For food industry and surfaces exposed to weather and temperature differences

For professional use only.

 

CHARACTERISTICS
  • 1‐part sealant, ready to use
  • High adhesion to concrete
  • High resistance to tearing
  • Very good mechanical and chemical resistance
  • For indoor and outdoor applications
APPLICATION CONDITIONS

BAUFLEX 35 can be used at ambient and surface temperature +10°C ‐ 25°C only, air moisture max. 80%. Existing joints must be dry and free of any moisture (humidity < 4%). Working areas should be well ventilated and protected against access by unauthorized persons and to maintain a protection zone an open flame, especially the welding work.

SURFACE PREPARATION

After 28 days joints should be increased to the correct width and depth. The edges of the joints should be beveled using angle grinder. Vacuum joints thoroughly. Surface must be clean, dry, homogeneous, free of grease, dust and loose particies. Old paints, cement wash, loose particies must be removed. After vacuum, insert polyethylene cord BAUCORD to the correct depth. BAUCORD diameter should be about 25% larger than the width of the joint. Prime the beveled edges and sides of the joints using BAUFLEX PRIMER and leave for about 60 minutes, when the primer becomes tacky.

MIXING

BAUFLEX 35 is supplied ready to use.

APPLICATION METHOD

Insert BAUFLEX 35 into the sealant gun and firmly squeeze out into the joints making sure that it is full contact with the side of the joint. Fill the joints avoiding air entrapment. Remove excess of the sealant. If masking tape has been used, remove it whilst the sealant is still soft. When surface and ambient temperature exceed 15° C, the surface can be used after 24 hours. Freshly filled joints must be protected against water for a period of min. 8 hours.

 

TOOLS CLEANING

Clean all tools and application equipment with acetone immediately after use. Hardened material can only be removed mechanically.

HEALTH AND SAFETY PRECAUTION

BAUFLEX 35 is physiologically indifferent to the human organism after hardening. Uncured components are harmful to the health. Rooms in which works are carried out must be well ventilated. Work‐ers should use protective clothing, shoes, glasses and gloves. In case of contact with the skin, immediately wash off with acetone, flush the water with soap and use the cream. Avoid contact with eyes. If contact occurs, seek medical attention. The components are harmful and can not get into the drains and groundwater. Keep out of reach of children.

MISCELLANEOUS INFORMATION

All the information herein refers to products stored and used accord‐ing to our recommendations, has been presented in good faith and takes into account the current state of knowledge and experience of BAUTECH. You are obliged to use the product in accordance with its intended purpose and BAUTECH’s recommendations. All the techni‐cal information provided is based on laboratory tests and trials. Out‐of‐laboratory tests may give different results due to the conditions, location, manner of application and other circumstances that are out of BAUTECH’s control. Any different recommendations issued by our employees must be made in writing; otherwise, they shall be deemed null and void. These instructions replace all the previous ones and make them void.

Bauflex® 35 Joint sealant Technical sheetpdf

 

 

Contraction joint - cutaway  

Contraction joint

 

Expansion joint - cutaway 

Expansion joint

 

Picture description:

a - width of joint
b - depth of joint
Ø - BAUCORD diameter
h - thickness of concrete floor

 

DIMENSIONS OF CONTRACTION AND EXPANSION JOINTS

Floor type

Dimension of the side of the field [m]

Width of joint [mm]

Depth of joint [mm]

BAUCORD diameter [mm]

I

3 to 6 m

5*)

5*)

6*)

I

3 to 6 m

6

6

8

Ec

3 to 4 m

5*)

5*)

6*)

Ec

3 to 4 m

6

6

8

Ec

4 to 6 m

6*)

6*)

8*)

Ec

4 to 6 m

8

8

10

Eu

3 to 4 m

10

10

13

Eu

4 to 6 m

12

12

15

I – indoor flooring
Ec – outdoor flooring with roof
Eu - outdoor flooring without roof

 

*) dimensions allowed in the case of using a low‐shrinkage cement CEM I MSR 42.5 NA in concrete mix, which is recommended as safe against to threatening reaction of alkali contained in the cement with reactive aggregates.

 

PACKAGING

600 ml sausages

STORAGE

6 months from the date on the packaging, if stored in original, tightly closed packaging, in ventilated rooms, at the temperature between 5°C and 25°C. Protect from direct sunlight. Protect from freezing.

TECHNICAL DATA

Elastic recovery

> 70%

E‐modulus
‐ at temperature +23°C
‐ at temperature ‐20°C

<= 0,4 N/mm2
<= 0,6 N/mm2

Change of the volume

<= 10%

Resistance to flowing

<= 3mm

Unit elongation

100%

Possibility of using

after min. 24 hours

Full strength

after 7 days

Humidity of surface < 4%

Applying temperature

from +10°C to +25°C

Colours

grey, green, brown, tile red

Approximate consumption
(joint width x depth)
5x5 mm
6x6 mm
8x8 mm
10x10 mm
12x12 mm
 
 

30,0 m/kg - 3,3 kg/100 m
20,8 m/kg - 4,8 kg/100 m
11,7 m/kg - 8,5 kg/100 m
7,5 m/kg - 13,3 kg/100 m
5,2 m/kg - 19,2 kg/100 m

 

Conforms to EN ISO 11600 ‐ F – 25 ‐ LM

 

 

Tags: contraction, expansion, joint, elastic, sealant, single-component, industrial flooring

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Call Phone +48 22 716 77 91

Contact details

© 2019 All right reserved. BAUTECH sp. z o.o. ul. Staszica 25, 05-500 Piaseczno k. Warszawy tel. 22 716-77-91, fax 22 716-77-90, NIP 522-000-09-96, Regon: 012547108, KRS nr 0000166495 Sąd Rejonowy dla m.st. Warszawy, XIV Wydział Gospodarczy KRS, share capital: 51 000 PLN, bank account PKO BP S.A. 57 1020 1068 0000 1502 0146 4957

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