
WBC-JS | Polymer Cementitious

Product Details
| Place of Origin | CHINA |
| Brand Name | FORTISMATE TECH |
| Model Number | WBC-JS |
| Application Methods | Brushing, Roller Coating, Spraying |
| Minimum Order Quantity | 1,000KG |
| Packaging Details | 630 Pails, 11,340 kg can be loaded into 1x20GP if packed with wooden pallets. |
| Supply Ability | 10,000,000KG per Month |
Product Description
FortisMate WBS Series
WBC-JS is a two-component polymer-modified cement waterproof coating, formulated with high-quality polymer emulsion, cement powder, and functional additives. It cures to form a tough, elastic, seamless waterproof membrane.
It can be applied on both dry and damp substrates, features excellent adhesion, high strength, and eco-friendly properties. Suitable for various waterproof grades and compatible with other membranes/coatings.
Highlight: WBC: Water-Based Coating; JS: Polymer Cementitious
Scope of Application
| New/old building roofs Basements & underground structures Exterior walls | Tunnels & culverts Swimming pools & water tanks Bathrooms, kitchens & balconies |
Core Advantages
| 1. Dry & Damp Surface Application Excellent adhesion on dry or damp substrates; no need for full drying. | 2. High Strength & Durability Superior tensile strength and elongation; long-lasting waterproof effect. |
| 3. Safe & Eco-friendly Non-toxic, odorless; meets JC 1066 environmental standards. | 4. Good Compatibility Compatible with other waterproof membranes/coatings for composite systems. |
| 5. Excellent Water Resistance Resists long-term water immersion; ideal for wet areas. | 6. Easy Construction Simple mixing; brush/roller/scraper application. |
Storage and Transportation
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•Keep powder dry; seal liquid.
•Shelf life: 6 months unopened.
Specifications
| Item | Standard Value |
| Type | I / II / III |
| Form | Two-component (Liquid + Powder) |
| Liquid | 20 kg/pail |
| Powder | 20 kg/bag |
| Mix Ratio | I: 1:0.8 / II: 1:1.2 / III: 1:2 |
Physical & Mechanical Properties
| No. | Item | Index (I / II / III) |
| 1 | Solids Content (%) | ≥ 70 |
| 2 | Tensile Strength (MPa) | ≥1.2 / ≥1.8 / ≥1.8 |
| 3 | Tensile Retention (Heating, %) | ≥80 / ≥80 / ≥80 |
| 4 | Tensile Retention (Alkali, %) | ≥60 / ≥70 / ≥70 |
| 5 | Tensile Retention (Water, %) | ≥60 / ≥70 / ≥70 |
| 6 | Elongation at Break (%) | ≥200 / ≥80 / ≥30 |
| 7 | Low-Temperature Flexibility | −10°C, no crack |
| 8 | Adhesion Strength (MPa) | ≥0.5 / ≥0.7 / ≥1.0 |
Construction Methods
repair cracks; round corners;
remove standing water.
2. Slowly add powder while stirring.
3. Stir for ~5 minutes until uniform.
4. Use within 30 minutes.
2. Each coat perpendicular to previous.
3. Embed fiberglass mesh for reinforcement.
4. Allow each coat to dry before next.
FAQs
We supply a complete range of waterproof materials for construction projects worldwide, split into two core product lines:
Waterproof Membranes
Self-adhesive, torch-applied, conventional bituminous, root-resistant and pre-applied bitumen rolls, as well as special PVC and TPO polymer sheets for tunnel engineering.
Liquid Waterproof Coatings
Polyurethane, polyurea, acrylic, bituminous, polymer-modified cement and capillary crystalline waterproof coatings.
Our materials are applicable to underground basements, tunnels, exposed roofs, green planting terraces, reservoirs and exterior wall projects. Custom formulas and customized packaging services are offered to meet diverse client demands.
We cooperate with multiple mature logistics solutions for global delivery: sea freight, air freight, international express (DHL, FedEx, UPS, TNT) and railway transport. We will select the most cost-effective and stable shipping method based on your order volume, delivery deadline and destination country. Door-to-door delivery service is available upon request.
Specifications vary for different series of our waterproof products.
Other specifications and models can be determinedby negotiation between the supplier and the demander.
We adopt the deposit + full balance payment mode for all orders:
A 50% advance deposit is required to arrange raw materials and production after order confirmation.
The remaining full payment must be completed before we arrange delivery of goods.
We accept T/T bank transfer and other negotiable payment terms.
1、Professional online construction technical support & free technical documents
2、Official waterproof warranty coverage for all our products
3、24-hour fast after-sales reply & long-term supply of matching waterproof auxiliary materials



