8/20/2019 Sika PDS E Sika Crackstop

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Product Data Sheet

Version 10/11/03

Sika®  CrackstopPolypropylene fibres for concrete

Sika®  Crackstop 1/2

D00197040802E

Description Sika® Crackstop are high quality micro monofilament polypropylene

fibres in compliance with the requirements of ASTM C1116-91 Standard

Specification for Fibre-Reinforced Concrete and Shotcrete.

They are designed to minimize and control shrinkage cracks in concrete.

Sika Crackstop are available in premeasured, ready to use degradable bags

for 1m3 of concrete.

Uses Sika® Crackstop fibres reinforce fresh concrete and reduce its shrinkage

cracking.

Sika®

 Crackstop are used for - slabs

- pavements

- precast concrete products

- heavy-duty industrial floors

- overlays

- shotcrete

Polypropylene fibres are not intended to replace structural steel.

Advantages Due to their fineness and a special surface treatment, Sika® Crackstop

are uniformly distributed to provide an internal reinforcement to :

- reduce plastic shrinkage cracking

- improve fresh concrete cohesion

- improve impact and abrasion resistance

- improve concrete durability

Instruction for use

Consumption Simply add Sika® Crackstop to the concrete mixer at a rate of 1 bag

(=0.6kg) per cubic metre. A mixing time of 3 to 5 minutes is necessary to

ensure the bag dissolution and therefore a uniform fibre dispersion.

Better dispension, Sika®

 Crackstop should be mixed into batching after concrete aggregate crushing together with mechanism.

Sika® Crackstop are compatible with all Sika admixtures.

The standard procedures for placing, finishing and curing concrete

shall be followed. In addition, proper reinforcement and joint spacing

should be observed.

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8/20/2019 Sika PDS E Sika Crackstop

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Sika®  Crackstop 2/2

Technical data

Type Micro monofilament Polypropylene Fibres

Length of fibres 12 mm

Diameter  18 microns

Specific gravity 0.910 kg/ltr.

Specific Surface Area 225 m2/kg

Fibre content 180 million fibres/bag

Tensile strength 300-400 MPa

Modulus of Elasticity 8000 MPa

Alkali, Acid, Salt resistance Very high

Health and safety The product is safe to handle, no restrictions

The product is classified; Non Toxic

Shelf life Stored in dry condition, Sika® Crackstop have a shelf life of 3 years

Packaging : Sika® Crackstop fibres are available in 0.6 kg/bag

supplied at 28 bags per box (16.8 kg.)

Tel : +66 3821 4270-85Fax : +66 3821 4286

E-mail : sikathai@th.sika.com

website : http//www.sika.co.th

Sika (Thailand) Limited

Head Office

700/37 Moo 5 Bangpakong Industrial Park II,Km.57 Bangna-Trad Rd., T. Klongtamhru,

Muang District, Cholburi 20000

The information, and, in particular, the recommendations relating to the application and end-use of Sika products, are given in good faith based on Sika’scurrent knowledge and experience of the products when properly stored, handled and applied under normal conditions in accordance with Sika’srecommendations. 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 li ability arising out of any legal relationship whatsoever, can be inferred either from this information, or from anywritten 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 accepted subjectto our current terms of sale and delivery. Users must always refer to the most recent issue of the local Product Data Sheet for the product concerned, copiesof which will be supplied on request.