Sikaflex Pro-3 WF

Sikaflex® PRO-3 WF
High performance joint sealant for floors

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Product Description
Sikaflex® PRO-3 WF is a one component, moisture curing, polyurethane based elastic joint sealant with high mechanical strength. It can be used in indoor and outdoor applications.

Sikaflex® PRO-3WF as a multi-purpose joint sealant:

  • Joints and movement joints on floors
  • Indoor and outdoor applications with pedestrian and vehicle traffic (eg parking lots, sidewalks, etc.)
  • In warehouses and production areas
  • Grounds such as the food industry
  • Ceramic joints in places open to pedestrian traffic
  • Joints in wastewater and sewage treatment plants
  • Floor joints in tunnel construction

Features / Benefits

  • 25% movement capacity
  • Cures without bubbles
  • Very good application properties
  • It has very good mechanical and chemical resistance.
  • Very good adhesion to most building materials

Approvals / Standards – Meets the requirements of ISO 11600 F 25 HM.
Tested according to DIBT Rules for exposure to wastewater.
It has ISEGA certificate for use in food related fields.

Product Information
Color Concrete gray, medium gray
White, black (On request)
Packaging 600 ml sausage, 20 pcs / box
300 ml cartridge, 12 pcs / box (On request)

Storage Conditions / Shelf Life
15 months from the date of production when stored in original, unopened and undamaged packages at temperatures between + 10oC and + 25oC, protected from direct sunlight.

Technical Information
Chemical Base One component, moisture curing polyurethane
Density ~ 1.3 kg / l (concrete gray) (DIN 53 479-B)
Skinning Time ~ 90 minutes (+ 23 ° C / 50% rh)
Curing Rate ~ 2 mm / 24 hour (+ 23 ° C / 50% rh)
Movement Capacity 25%
Joint Dimensions Minimum width = 10 mm / Maximum width = 35 mm
Sagging 0 mm, very good (DIN EN ISO 7390)
Service Temperature Minimum -40 ° C + 70 ° C max.

Mechanical / Physical Properties
Tear Resistance ~ 8 N / mm (+ 23 ° C / 50% rh) (DIN 53 515)
Shore A Hardness ~ 35 after 28 days (+ 23 ° C / 50% rh) (DIN 53 505)
Elasticity Modulus ~ 0.5 N / mm2 at 100% elongation (+ 23 ° C / 50% rh) (DIN EN ISO 8340)
Elongation at Break ~ 700% (+ 23 ° C / 50% rh) (DIN 53 504)
Elastic Return >% 80 (+ 23 ° C / 50% rh) (DIN EN ISO 7389 B)

Chemical Resistance Resistant to water, sea water, diluted alkali, cement slurry and water dispersed detergents.
It is not resistant to alcohols, organic acids, concentrated alkalis and acids, chlorine, aromatic (hydrocarbon) fuels.

System Information
Application Details
Joints smaller than 10 mm are generally designed for crack control, so they are not movement / expansion joints. The ratio of joint width to joint depth at the time of sealant application is important (indicator value for + 10 ° C).
For a temperature difference of + 40 ° C:
Joint length 2 m 4 m 6 m 8 m 10 m
Minimum joint width 10 mm 10 mm 10 mm 15 mm 20 mm
Sealant thickness 10 mm 10 mm 10 mm 12 mm 15 mm For
outdoor areas ( for temperature difference up to + 80 ° C):
Joint length 2 m 4 m 5 m 6 m 8 m
Minimum joint width 10 mm 15 mm 18 mm 20 mm 30 mm
Sealant thickness 10 mm 12 mm 15 mm 15 mm 25 mm
Since the changes to be made after the production is generally not economical, all joints should be sized and designed by the designer / contractor before the production in accordance with the relevant standards. The
parameters to be taken into account when calculating the required joint width are the technical properties of the joint sealant, the technical properties of the construction materials it adheres to, the factors that the building and the joint will be exposed to, the construction method and dimensions of the joint.
Joint width 10 mm 15 mm 20 mm 25 mm 30 mm
Joint depth 10 mm 12 – 15 mm 17 mm 20 mm 25 mm
Joint length / 600 ml ~ 6 m ~ 2.5 – 3.0 m ~ 1.8 m ~ 1.2 m ~ 0.8 m
Joint length / 300 ml ~ 3 m ~ 1.5 m ~ 0.9 m ~ 0.6 m ~ 0.4 m
Backing rod: Only closed-cell polyethylene foam backing rods should be used.

Consumption / Joint Design Sealant
application at the same level as the floor prevents damages and dirt accumulation.
Sealant application below ground level protects the sealant from mechanical loads.
Substrate Quality It should be a clean, dry, homogeneous surface free from oil, grease, dust and loose particles. Cement laitance on the surface should be removed.

Surface Preparation / Priming
Non-absorbent surfaces:
Metals, powder paints etc. It should be sanded with a fine sandpaper, then cleaned with SikaCleaner-205 and a clean cloth / towel. After at least 15 minutes of drying time, SikaPrimer-3 N is applied with a brush. At least 30 min before applying mastic. should be waited (maximum 8 hours). For PVC use SikaPrimer-215.
At least 30 min before applying mastic. should be waited (maximum 8 hours).
Absorbent surfaces:
Concrete, aerated concrete, cementitious coatings, mortars, bricks, etc. SikaPrimer-3 N should be applied with a brush.
At least 30 min before applying mastic. should be waited (maximum 8 hours).
Important note:
Primers only increase adhesion. They can never replace the correct surface cleaning and do not increase the strength of the surface much. Primers improve the long term performance of the sealant applied joint. For more detailed information, refer to the Sika® Primer chart.

Application Conditions / Limitations
Substrate Temperature Minimum + 5 ° C / Maximum + 40 ° C
Ambient Temperature Minimum + 5 ° C / Maximum + 40 ° C
Substrate Moisture Must be Dry

Application Instructions
Application Method / Tools
Sikaflex® PRO-3WF is ready to use. After proper joint and surface preparation,
insert backing rod to the required depth and apply primer if necessary. Place the cartridge / sausage in the appropriate gun and tighten the Sikaflex PRO-3 WF slowly making sure that it is in full contact with the joint cheeks. Fill the joint without any air gap.
Then smooth the Sikaflex PRO-3 WF by pressing it lightly against the edges of the joint but without overflowing and ensure that it adheres to the edges. Masking tape should be used when sharp edge lines or very clean joint edges are required. Masking tape should be removed while the sealant is still soft. Use correction fluid for the perfect sealant surface. Cleaning of Tools Clean all tools and application equipment with Sika Colma Cleaner or Sika TopClean-T immediately after use. Hardened / cured material can only be cleaned mechanically.

Notes on Application / Limitations
Elastic sealants should generally not be over painted. With suitable coatings and paints, the joint edges can be painted up to 1 mm.
Conformity tests should be carried out according to DIN 52 452-2. Color changes may occur due to exposure to chemicals, high temperatures and UV rays (especially with white colored mastics). However, this change in color will not adversely affect the technical performance and durability of the product. Please consult our Technical Service before using it on natural stones and coatings.
Sikaflex® PRO-3WF’yi cam macunu olarak, bitümlü yüzeylerde, doğal kauçuk, EPDM esaslı kauçuklar ile veya yağ, yumuşatıcı (plasticizer) veya solvent kusarak mastiğe zarar verebilecek yapı malzemeleri ile kullanmayınız. Sikaflex® PRO-3WF’yi yüzme havuzlarının içinde sızdırmazlık için kullanmayınız. Kürünü almamış Sikaflex®Pro-3 WF’yi izosiyanatlar ile reaksiyona girebilecek maddelere, tinerler, solventler, temizlik maddeleri ve kalıp ayırıcıların bileşeni olan özellikle alkollere maruz bırakmayınız veya ürünü bunlarla karıştırmayınız. Bu tür temaslar, ürünün çapraz bağlanma kür reaksiyonunu önleyebilir veya ürüne zarar verebilir.

All technical data stated in this product data sheet are based on laboratory tests. Actual measured data may vary due to circumstances beyond our control.
Local Restrictions
may vary from country to country due to local regulations the performance of this product, please note. Please refer to the local product data sheets for exact descriptions of application areas.
Health and Safety Information
Users should refer to the material safety data sheet (MSDS) of the product, which contains physical, ecological, toxicological and other safety-related information, for information and advice on the safe transportation, storage and disposal of chemical products

Legal Notes
The information provided here about Sika® products, and in particular the recommendations regarding their application and end-use, are given in good faith based on Sika’s current knowledge and experience of the correct storage, handling and application of these products under normal conditions and in accordance with Sika’s recommendations. . The products, application surfaces and application areas are quite diverse in practice. Therefore, when using Sika® products, make sure you apply the right product in the right conditions and in the right place, and strictly follow the information and instructions given by Sika® regarding its commercial suitability and / or fitness for a particular purpose. Sika® is not responsible for any damage that may occur otherwise. The user (user) of the product must test the suitability of the product for the intended application and purpose.Sika reserves the right to change the properties of its products. The property rights of third parties must be observed. The acceptance of all orders is based on our current sales and shipping conditions. Users should always refer to the latest edition of the local Product Data Sheet for the respective product, which can be obtained by contacting Sika®.

Tags: Sikaflex PRO-3, WF, Floor, joint, sealant, mastic, sealant, polyurethane, pdf

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