KAVASSU POLYSULPHIDE SEALANT – 216

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Resin Base Curing Compound For Concrete

KAVASSU POLYSULPHIDE SEALANT-216 is a two part joint sealant based on a liquid polysulphide polymer. It is supplied as a base component and curing agent in the correct proportions which, when mixed together, cure to form a tough rubber like material. When cured, the sealant exhibits excellent adhesion to most surfaces including concrete, aluminum and stainless steel. Priming is recommended for porous surfaces and for some specific surfaces and applications. KAVASSU POLYSULPHIDE SEALANT-216 is available in pouring grade (PG) for joints. KAVASSU POLYSULPHIDE SEALANT-216 is particularly recommended for use in high-rise buildings and other applications where access for subsequent maintenance will be difficult and the risk of early movement failure must be minimized. It is also suitable for sealing joints in subways, basements, retaining walls, reservoirs and brickwork joints.

Forms a tough elastic rubber-like seal. Accommodates continuous and pronounced cyclic movement. High resistance to ageing influences, physical damage and climate extremes.

KAVASSU POLYSULPHIDE SEALANT -216 is a two part joint sealant based on a liquid polysulphide polymer. KAVASSU POLYSULPHIDE SEALANT- 216 is a version designed for use in joints & cracks. Adhesion is excellent to most common building substrates. The gun grade is particularly recommended for sealing both vertical and horizontal structural expansion joints in most civil engineering structures like building superstructures,subways, PQC Joints, basements, floors and reservoirs.

KAVASSU POLYSULPHIDE SEALANT-216 may be applied to horizontal joints between 5 and 50 mm wide. Joints which are expected to experience cyclic movements should be designed to an optimum width: depth ratio of 2:1 subject to the overriding recommended minimum sealant depths set out below: 5mm for metals, glass and other nonporous surfaces.10mm for all porous surfaces. 20mm for trafficked joints and those subject to hydrostatic pressures. To ensure that the sealant remains within its stated movement capacity (25% MAF) the width of the designed sealing slot should be in accordance with the recommendations of BS: 6093:1981 part 6.2.2 and 6.2.6.

Shalimar offers a comprehensive range of high performance, high quality concrete repair and construction products. In addition, Shalimar offers technical support service to specifiers, end-users and contractors, as well as on site technical assistance in location all over the country.

The joint surfaces must be thoroughly dry, clean and frost free. All dust and laitance shall be removed by rigorous wire brushing, grinding or grit-blasting. All rust, scale and protective lacquers shall be removed from metal surfaces. Any oil or grease shall be removed with detergent. Any expansion joint filler must be checked to ensure that it is tightly packed and no gaps or voids exist at the base of the sealing slot.

Kavassu Curex-AL meets the requirements of ASTM C-309-81 for moisture retention in liquid membrane curing compounds.

Description

KAVASSU POLYSULPHIDE SEALANT-216 is a two part joint sealant based on a liquid polysulphide polymer. It is supplied as a base component and curing agent in the correct proportions which, when mixed together, cure to form a tough rubber like material. When cured, the sealant exhibits excellent adhesion to most surfaces including concrete, aluminum and stainless steel. Priming is recommended for porous surfaces and for some specific surfaces and applications. KAVASSU POLYSULPHIDE SEALANT-216 is available in pouring grade (PG) for joints. KAVASSU POLYSULPHIDE SEALANT-216 is particularly recommended for use in high-rise buildings and other applications where access for subsequent maintenance will be difficult and the risk of early movement failure must be minimized. It is also suitable for sealing joints in subways, basements, retaining walls, reservoirs and brickwork joints.

Advantages

Forms a tough elastic rubber-like seal. Accommodates continuous and pronounced cyclic movement. High resistance to ageing influences, physical damage and climate extremes.

Uses

KAVASSU POLYSULPHIDE SEALANT -216 is a two part joint sealant based on a liquid polysulphide polymer. KAVASSU POLYSULPHIDE SEALANT- 216 is a version designed for use in joints & cracks. Adhesion is excellent to most common building substrates. The gun grade is particularly recommended for sealing both vertical and horizontal structural expansion joints in most civil engineering structures like building superstructures,subways, PQC Joints, basements, floors and reservoirs.

Joint Size

KAVASSU POLYSULPHIDE SEALANT-216 may be applied to horizontal joints between 5 and 50 mm wide. Joints which are expected to experience cyclic movements should be designed to an optimum width: depth ratio of 2:1 subject to the overriding recommended minimum sealant depths set out below: 5mm for metals, glass and other nonporous surfaces.10mm for all porous surfaces. 20mm for trafficked joints and those subject to hydrostatic pressures. To ensure that the sealant remains within its stated movement capacity (25% MAF) the width of the designed sealing slot should be in accordance with the recommendations of BS: 6093:1981 part 6.2.2 and 6.2.6.

Primer Coverage

Shalimar offers a comprehensive range of high performance, high quality concrete repair and construction products. In addition, Shalimar offers technical support service to specifiers, end-users and contractors, as well as on site technical assistance in location all over the country.

Joint Preparation

The joint surfaces must be thoroughly dry, clean and frost free. All dust and laitance shall be removed by rigorous wire brushing, grinding or grit-blasting. All rust, scale and protective lacquers shall be removed from metal surfaces. Any oil or grease shall be removed with detergent. Any expansion joint filler must be checked to ensure that it is tightly packed and no gaps or voids exist at the base of the sealing slot.

Testing

Kavassu Curex-AL meets the requirements of ASTM C-309-81 for moisture retention in liquid membrane curing compounds.

National Award Winner

Form: Two-part compound Base: Paste Colour (mixed material): Grey

Storage life: 12 months in original containers in dry conditions within the range 5°C to 35 °C

Flash point: Over 65 °C Solids content: 100% Density: 1.60 1/65 kgs/Ltr

Curing Change : Chemical cure Application : 5 °C to 45 °C Temperature

Operating Temperature: -20 °C to 60 °C Pot life: Min. 2 hrs at 25 °C

Setting time: 72 hours at 5 °C

36 hours at 15 °C

18 hours at 25 °C

Water immersion: KAVASSU POLYSULPHIDE SEALANT -216 must be fully cured before permanent immersion in water.

The use of a primer is always required on porous surfaces. On non-porous surfaces application of primer is not normally required except where glass or glazed surface are to be permanently immersed in water.

KAVASSU PRIMER is a surface conditioner for polysulphide sealant. It is a one-part clear liquid for brush application, supplied in 125 ml tins. Primer should be used on concrete, stone, brickwork, timber and unglazed edged of ceramic tiles, glass and Aluminum. One thin coat should be applied and allowed to dry until tack free before sealing. (Normally up to 30 minutes). Excessively porous surfaces may need more than one coat.

Using a clean, dry brush, complete coverage shall be ensured, but over priming shall be avoided resulting in an excess of primer in the base of the joint or application beyond the joint faces. The mixed KAVASSU POLYSULPHIDE SEALANT -216 shall be applied when the primer is tack free. After 30 min the surface must be re-primed before applying the sealant. Iron and steel must be protected with  an anti- corrosive primer prior to sealing.

KAVASSU POLYSULPHIDE SEALANT-216 shall be tooled to a smooth finish. A minimum of surface lubricant such as dilute detergent solution or white spirit may be used to assist the process. Any masking tape shall be removed immediately after tooling. Normally, joints in KAVASSU POLYSULPHIDE SEALANT – 216 will be flush and unpainted.

KAVASSU POLYSULPHIDE SEALANT-216 is supplied in 4kg. pack & KAVASSU POLYSULPHIDE PRIMER in 20 Ltr. pack.

Part-A of 125ml & & Part-B of 125ml of KAVASSU POLYSULPHIDE PRIMER for every 4 kg. of KAVASSU POLYSULPHIDE SEALANT-216.

KAVASSU POLYSULPHIDE SEALANT-216 complies with requirement of BS-5212-90.

SHALIMAR POLYSULPHIDE SEALANT-216 is poisonous. The curing agent consists of a heavy metal based oxide. Skin contact shall be avoided.

Properties

Form: Two-part compound Base: Paste Colour (mixed material): Grey

Storage life: 12 months in original containers in dry conditions within the range 5°C to 35 °C

Flash point: Over 65 °C Solids content: 100% Density: 1.60 1/65 kgs/Ltr

Curing Change : Chemical cure Application : 5 °C to 45 °C Temperature

Operating Temperature: -20 °C to 60 °C Pot life: Min. 2 hrs at 25 °C

Setting time: 72 hours at 5 °C

36 hours at 15 °C

18 hours at 25 °C

Water immersion: KAVASSU POLYSULPHIDE SEALANT -216 must be fully cured before permanent immersion in water.

Primer Requirements

The use of a primer is always required on porous surfaces. On non-porous surfaces application of primer is not normally required except where glass or glazed surface are to be permanently immersed in water.

KAVASSU PRIMER is a surface conditioner for polysulphide sealant. It is a one-part clear liquid for brush application, supplied in 125 ml tins. Primer should be used on concrete, stone, brickwork, timber and unglazed edged of ceramic tiles, glass and Aluminum. One thin coat should be applied and allowed to dry until tack free before sealing. (Normally up to 30 minutes). Excessively porous surfaces may need more than one coat.

Using a clean, dry brush, complete coverage shall be ensured, but over priming shall be avoided resulting in an excess of primer in the base of the joint or application beyond the joint faces. The mixed KAVASSU POLYSULPHIDE SEALANT -216 shall be applied when the primer is tack free. After 30 min the surface must be re-primed before applying the sealant. Iron and steel must be protected with  an anti- corrosive primer prior to sealing.

Finishing

KAVASSU POLYSULPHIDE SEALANT-216 shall be tooled to a smooth finish. A minimum of surface lubricant such as dilute detergent solution or white spirit may be used to assist the process. Any masking tape shall be removed immediately after tooling. Normally, joints in KAVASSU POLYSULPHIDE SEALANT – 216 will be flush and unpainted.

Packaging

KAVASSU POLYSULPHIDE SEALANT-216 is supplied in 4kg. pack & KAVASSU POLYSULPHIDE PRIMER in 20 Ltr. pack.

Coverage

Part-A of 125ml & & Part-B of 125ml of KAVASSU POLYSULPHIDE PRIMER for every 4 kg. of KAVASSU POLYSULPHIDE SEALANT-216.

Quality Assurance

KAVASSU POLYSULPHIDE SEALANT-216 complies with requirement of BS-5212-90.

Handling

SHALIMAR POLYSULPHIDE SEALANT-216 is poisonous. The curing agent consists of a heavy metal based oxide. Skin contact shall be avoided.

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