Japan, Sika
Sika SC-PS2 Two-component Polysulfide-based Construction Sealant
Made in Japan
Manufacturer: Sika
Model: SC-PS2
This two-component sealant cures through a chemical reaction between the main agent and hardener, and is a low modulus type with low tensile stress. After curing, it has excellent weatherability, design, and joint adhesion.
Sealing material properties
| Sealing material properties | ||||||
| Exterior | Base | Paste | ||||
| Hardener | Liquid | |||||
| Color master | Paste | |||||
| Mixing ratio | Base: Hardener: Color master | 100 : 17.9 : 4.0 | ||||
| Performance based on JIS A5758 | Slump (mm) | Vertical | 5 ̊C | 0 | ||
| 50 ̊C | 0 | |||||
| Beside | 5 ̊C | 0 | ||||
| 50 ̊C | 0 | |||||
| Elastic recovery (%) | 90 | |||||
| Being covered | Aluminum | |||||
| Tensile stress (N/mm²)* | 23 ̊C | 0.3 | ||||
| -20 ̊C | 0.4 | |||||
| Adhesion under constant elongation | 23 ̊C | NF | ||||
| -20 ̊C | NF | |||||
| Adhesion after compression heating/tensile cooling | NF | |||||
| Adhesion after exposure to artificial light | – | |||||
| Adhesion under constant elongation after emersion in water | NF | |||||
| Volume loss (%) | 4.5 | |||||
| Durability distinction | 8020 | |||||
| Reference properties | Validity period (month) | 6 | ||||
| Extrudability (seconds) | 5 ̊C | 4 | ||||
| 23 ̊C | 2 | |||||
| Available time (time) | Specification | Low temparature | Medium temparature | High temperature | ||
| 5 ̊C | 4 | – | – | |||
| 23 ̊C | 2 | 3 | 4 | |||
| 35 ̊C | – | – | 2 | |||
| Touch drying time (23 ̊C – time) | Within 18 | Within 18 | Within 24 | |||
| Density (g/mL) | 12 | |||||
| H type tensile adhesion | Being covered | Condition | Stress/Elongation | 50% tensile stress N/mm² |
Maximum tension N/mm² |
Elongation at maximum load (%) |
| Aluminum | After health care | 23 ̊C | 0.24 | 0.99 | 750 | |
| After heating | 23 ̊C | 0.26 | 1.03 | 650 | ||
| After water immersion | 23 ̊C | 0.24 | 0.91 | 750 | ||
| Mortar | After health care | 23 ̊C | 0.23 | 0.72 | 550 | |
| After heating | 23 ̊C | 0.25 | 0.81 | 530 | ||
| After water immersion | 23 ̊C | 0.23 | 0.81 | 550 | ||
| Glass | After health care | 23 ̊C | – | – | – | |
| After heating | 23 ̊C | – | – | – | ||
| After water immersion | 23 ̊C | – | – | – | ||
List of Matching Individuals and Positions
| List of Matching Individuals and Positions | ||||||
| Working Joints | Curtain wall | Metal Curtain Wall | Vertical method | Joints around glass | ||
| Seamless vertical joint | ||||||
| Panel method | Joints between panels | |||||
| Joints around glass | ||||||
| PC Curtain Wall | Stone Pre-Setting | Joints between the PC panels | Ｏ | |||
| Tile Pre-Setting | Joints around window frame | |||||
| Painting/Spraying | Joints around glass | |||||
| Various Exterior Panels | ALC Panels (Vertical Wall Locking, Horizontal Wall Anchoring Method) | Joints between panels Joints around window frame Joints with clearance |
With paint | |||
| Without paint | ||||||
| Painted Aluminum Panels | Forced Drying | Joints between panels | ||||
| Baking Paint Coating | ||||||
| Painted steel plate | Forced Drying | Joints between panels | Ｏ | |||
| Baking Paint Coating | Joints around window frame | Ｏ | ||||
| Enamel-coated steel sheet | Joints between panels | Ｏ | ||||
| Joints around window frame | Ｏ | |||||
| GRC, Extruded cement panel (ECP) | Joints between panels Joints around window frame |
With paint | ||||
| Without paint | △ | |||||
| Metal Insulated Sandwich Panels | Joints between panels | |||||
| Glazing (ceramics) | Single-Volume | Joints around glass | ||||
| Consecutive-Volume | ||||||
| Glass Butt Joint | ||||||
| Metal fittings and fixtures | Factory seals around fittings | Drainage – Plate joints | △ | |||
| Joints between fittings | ||||||
| Factory seal | Sealant receiver | ※1 | ||||
| Cornice | Metal Cornice | Cornice gap | ||||
| Stone Cornice | Cornice gap | ◎ | ||||
| Pre-cast Concrete Cornice | Cornice gap | Ｏ | ||||
| Concrete wall | Structural slit | Joints in structural slits | Painted | |||
| Without paint | ||||||
| Nonworking Joints | RC and PC walls | Joints and joints Crack-inducing joints Joints around window frame |
Painted | |||
| Without paint | ◎ | |||||
| Wet stone cladding (including GPC jointing) | Stone joints (excluding marble) | ◎ | ||||
| Marble joints | ◎ | |||||
| Joints around window frame | ◎ | |||||
| Tiling | Tile joints | ◎ | ||||
| Joints under tile frame | Ｏ | |||||
| Joints around window frame | ◎ | |||||
| Panel Exterior | ALC thin panel | Joints between panels | Painted | |||
| Without paint | ||||||
| Various Joints Except for Exterior Walls | Rooftop | Terminal treatment of sheet waterproofing, etc. | ||||
| Floor | Concrete | Slit joints | ||||
| Stone and tile flooring | Stone tile joints | |||||
| PC panel (including PC stepped floor panel) | Joints between PC panels | |||||
| Wet area | Bathrooms & Bathtubs | |||||
| Kitchen cabinets and sinks | ||||||
| Washbasin area | ||||||
| Drain area – Penetrating pipe area | Painted | |||||
| No paint | ||||||
| Around handrail and other pillar legs | Painted | |||||
| No paint | Ｏ | |||||
| Interior wall (Mashiri) destination | ||||||
| Coated waterproofing underneath | ||||||
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