オバナヤ・セメンテックス List of Products and Services

Cementex VF-Ultra is a pre-mixed mortar that uses acrylic-based powder polymer, which can be used as a super low-shrinkage polymer cement mortar simply by adding water and mixing. Its excellent workability allows for thick application even in upward construction areas. Additionally, its rapid setting properties make it ideal for shortening construction periods and for emergency repair work.

• cement

The A-1mm method for fiber wrapping surface finishing involves applying a protective finish of 1mm thickness on the surface after attaching the fiber sheet, which helps prevent the degradation of epoxy resin used for attaching the fiber sheet and considers the protection of the fibers. The B-10mm method involves applying a protective finish of 10mm thickness on the surface after attaching the fiber sheet, which not only prevents the degradation of epoxy resin used for attaching the fiber sheet but also considers the protection against collisions with vehicles and the protection of bridge piers within rivers.

• Slope protection material

OS Color SK-E is a water-based acrylic paint that is ideal for the protective finishing of both interior and exterior surfaces of buildings, as well as for floor finishes. It has elasticity and forms a durable coating with excellent stretchability, flexibility, and crack resistance.

• Interior construction

OS Color SK-D is a modified polymer silica-based paint that incorporates special silicone resin into a durable silica-based coating, providing water-repellent properties. By using a modified colloidal silica binder, it bonds with the calcium content in the substrate, forming a very strong paint film layer while maintaining breathability and water repellency. The paint film is dense and water-repellent throughout, which helps to suppress the infiltration of external degrading factors.

• Special Construction Method

Water-based Cool Silicone is a functional coating that uses a silicone resin emulsion and features a glossy heat-insulating type. It is a water-based one-component type that is easy to handle and paint, and it also excels in safety aspects. The dense and tough coating formed by silicone cross-linking not only excels in gloss retention, weather resistance, and durability but also possesses advanced heat insulation properties, resulting in less heat absorption compared to conventional paints, thereby reducing temperature rise in attics and enhancing livability.

• Roof and gutter construction
• Exterior coating materials
• Heat-insulating paint for exterior walls (roofs, rooftops, etc.)

OS Color SK-E800 is a water-based acrylic elastic paint for flooring that excels in abrasion resistance, slip resistance, durability, and water resistance. Due to its quick-drying properties, light foot traffic can be permitted shortly after application. The dried film has moderate flexibility and excellent crack-following properties.

• Coating film waterproofing material/permeable waterproofing material

OS Color EC is an environmentally friendly, highly durable, low-pollution water-based silicone resin paint that protects buildings from acid rain, atmospheric pollution particles, exhaust gases, carbon dioxide, and salt. The dense and strong paint film created by silicone cross-linking has anti-soiling, anti-mold, and anti-algae properties, making it easy to remove adhered contaminants.

• Anti-rot, anti-termite, anti-mold material
• Exterior coating materials

Old NETIS Registration KT-100089-A The Cementex RB - Elasmash T method with HB specifications is a surface protection method that suppresses the progression of deterioration due to carbonation, salt damage, freeze-thaw damage, etc., after repairing the rebar corrosion areas and cross-sectional defects of deteriorated concrete structures, by performing lining using a combination of two-axis aramid and vinylon mesh. This method consists of a composite coating made of elastic polymer cement-based materials and water-based elastic acrylic paint, and by incorporating two-axis aramid and vinylon mesh, it is applicable as a peeling prevention specification for the concrete structure. Based on the feedback and requests from customers using conventional methods, we have improved the workability.

• Road construction
• Railway Construction
• Renovation and repair methods

Elasment SSK is a polymer-cement-based elastic surface coating made from a combination of a specially modified polymer dispersion with excellent elongation performance and water-hardening inorganic powder. By combining the water-hardening inorganic powder with excellent durability and a highly elastic polymer with outstanding weather resistance, it ensures moderate water vapor permeability while excelling in substrate deformation followability and waterproofing, protecting reinforced concrete structures from various deterioration factors.

• Mortar and plaster materials

Cementex CMA-1 is a white polymer cement mortar that is used by combining the special cationic SBR polymer dispersion "Cementex C-220T" with the pre-mixed product "Mortar Ace MA-1." It offers performance equivalent to Cementex CMS-1 as a white polymer cement mortar, making it ideal for tile joints, cosmetic touch-ups, and touch-ups.

• cement

Cementex CMA-0 is a white polymer cement paste that combines the special cationic SBR polymer dispersion "Cementex C-360" with the pre-mixed product "Mortar Ace MA-0." It can provide performance equivalent to Cementex CMS-0 as a white polymer cement paste, making it ideal for tile joints, cosmetic touch-ups, and touch-ups.

• cement

Rust conversion primer that transforms corroded rebar's red rust into stable black rust. Design price: 104,400 yen for a 18 kg can; 19,200 yen for a 2 kg box.

• Plastering and painting work

OS Primer ERS is a penetrating primer that uses a low-viscosity one-component epoxy resin. By applying it to the concrete surface, it penetrates into weak areas, solidifies, and integrates with the sound parts to enhance strength.

• Plastering base material

OS Primer ER is a primer designed for substrate reinforcement and intermediary adhesion using a two-component epoxy resin. It provides stable adhesion to various substrates. It is used as a primer material for polymer cement mortar, particularly the Cementex CMS series, Cementex VF series, and OS Cool method.

• Plastering base material

Fine Coat SP is a substrate strengthening alkali-adding primer composed of lithium silicate and a special synthetic resin emulsion. It enhances the surface of inorganic substrates such as concrete and has a neutralization suppression effect due to its alkali-adding action. Additionally, the lithium ions that penetrate internally provide a suppression effect on alkali-aggregate reactions.

• Plastering base material

OS Primer Epoxy W is a one-component water-based epoxy resin primer that utilizes specially modified epoxy resin. Being water-based, it allows for high-quality and stable adhesion of epoxy resin without worrying about the dissolution or swelling of existing coatings, ensuring compatibility with various substrates, including various metal steel plates. In particular, it adheres strongly to aluminum steel plates, silver coatings, and FRP, which are typically difficult for cement-based coatings to bond with, especially when pre-sanding treatment is applied. Therefore, it can be used universally for substrate reinforcement and as an intermediary adhesive.

• Plastering base material

Fine Coat P is a moisture-regulating primer that uses ultra-fine particle acrylic emulsion. By applying it to the concrete surface beforehand, it suppresses the absorption of the substrate, preventing dry-out and improving and stabilizing adhesion strength. Additionally, by applying it to the finished surface of cement-based coatings, it prevents rapid drying of the surface, reduces the occurrence of cracks, and ensures stable strength development.

• Plastering base material

In the gas phase of sewage or sludge at sewage treatment facilities, hydrogen sulfide gas is generated, causing chemical corrosion of concrete, leading to significant deterioration and damage. Cementex VF-AR is a one-component polymer cement mortar developed for the repair of such concrete cross-sections.

• Premixed mortar

Cementex VF-100 is a premixed mortar that uses an acrylic-based powder polymer, and it can be used as a polymer cement mortar for filling and pouring simply by adding water and mixing. Since it is made of materials identical to concrete, it is ideal for large-scale repairs and filling of significant defects in concrete structures.

• cement

Cementex VF-L is a premixed mortar that contains acrylic powder polymer, which can be used as a polymer cement-based lightweight repair material for thick application simply by adding water and mixing. It is lightweight and has excellent workability, allowing for thick application and filling in upward construction areas all at once, making it ideal for repairing large defects in architectural and civil engineering structures.

• cement

Cementex VF is a one-component polymer cement mortar formulated with low-shrinkage inorganic materials, acrylic powder polymers, and vinylon short fibers. By suppressing the stickiness characteristic of polymer cement mortars, it allows for good trowel spread and trowel cut, making it suitable for various applications, including thin coatings and thick applications in a single layer.

• Premixed mortar

Cementex VF-2 is a one-component premixed mortar that contains pre-blended acrylic powder polymer, which can be used as a thin-layer polymer cement mortar simply by adding water and mixing. It is ideal for substrate preparation in renovation work and for surface protection of concrete structures. It achieves excellent workability and finish quality with a similar aggregate particle size composition to our emulsion-mixed polymer cement mortar CMS series, specifically CMS-2.

• Reinforcement and repair materials

Cementex VF-0 is a pre-mixed material that combines nitrite-based rust inhibitors and acrylic-based powdered polymers, which can be used as a polymer-cement-based rust prevention paste simply by adding water and mixing. The rust inhibitor used is nitrite-based, which promotes the formation of passive films on rebar, providing long-term rust prevention effects.

• Premixed mortar

Katame Taro is a one-component epoxy resin-based penetrating curing agent developed to prevent weathering of concrete, brick structures, and inorganic materials, as well as to improve the surface strength of weak layers. It can also be used as a rust prevention spray to inhibit the progression of rust on exposed, corroded rebar, making it suitable for a wide range of applications. Formerly registered under NETIS KT-120036-VE. "Mail order is available through our company website."

• Structural Survey

"Ume Taro" is a premixed mortar developed for repairing damaged areas of concrete structures and buildings, as well as for backfilling after core drilling and various concrete repairs. It can be used simply by mixing with water. It can be easily shaved and shaped, and the finish is a color that closely resembles concrete, making it inconspicuous. 【Features】 - Usable by just mixing with water - The small package type uses a dedicated container, allowing for easy mixing by just adding water and shaking - Quick-setting, allowing for rapid release - Easily shaved and shaped, with a finish that closely resembles concrete and is not noticeable For more details, please contact us or download the catalog.

• Mortar and plaster materials

The "Cementex Method" is a polymer-cement-based repair material that protects against carbonation, deterioration, and salt damage. Centered around advanced cationization technology, the "Cementex Method" has a long history of achievements in the repair and renovation of concrete structures, playing an important role in passing valuable social assets on to the next generation, and will continue to contribute to the realization of a sustainable society. 【Features】 ○ Excellent adhesion ○ Water resistance and low permeability ○ Superior rust prevention effect ○ Weather resistance and alkali resistance ○ Cold resistance and freeze-thaw resistance For more details, please contact us or download the catalog.

• Premixed mortar
• Renovation and repair methods
• Waterproofing work

Cation Star C2 is a premixed mortar that contains cationic acrylic powder polymer, which can be used as a base leveling material for trowel application simply by adding water and mixing. Thanks to its special cationization technology, it exhibits excellent adhesive durability against various existing substrates in waterproofing renovation work, exterior wall renovation work, and floor coating renovation work, achieving ideal base leveling.

• Premixed mortar

Powermol is a premixed mortar that contains cationic acrylic powder polymer, which can be used as a high-strength repair material simply by adding water and mixing. It does not generate waste materials such as cans or bottles. Thanks to the inclusion of short fibers, it excels in thick application workability, reducing the burden on construction workers. Additionally, it does not contain VOCs (volatile organic compounds), significantly reducing its environmental impact, making it an environmentally friendly product.

• Cement mortar coating

Mortarow is a premixed mortar that contains cationic acrylic powder polymer, which can be used as a polymer cement-based surface repair material for lightweight thick applications simply by adding water and mixing. It is lightweight and excels in workability for thick applications, not only reducing the burden on construction workers but also significantly lowering environmental impact as it does not contain VOCs (volatile organic compounds), making it an environmentally friendly product.

• Cement mortar coating

Cation Star C1 is a premixed mortar that contains cationic acrylic powder polymer, and it can be used as a substrate adjustment coating that can be applied with a brush or roller simply by adding water and mixing. Thanks to its special cationization technology, it exhibits excellent adhesion durability to various existing substrates in waterproof renovation work, exterior wall renovation work, and floor coating renovation work, achieving ideal substrate adjustment.

• Premixed mortar