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Basic Specifications
EINECS
Pressure-Sensitive Asphalt Repair Material
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Cold Asphalt Patch WS-802
The Smart Way to Fix Roads - The Road Repair Revolution
WS-802 is a next-generation pressure-sensitive asphalt repair material engineered for fast, durable, and environmentally friendly pavement maintenance. No heating, no mixing, no waiting. Just pour, compact by traffic, and open to traffic immediately.
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Professional Overview
Leading specialists in high-performance road maintenance solutions, focusing on eco-friendly, cold-applied repair technologies. With expanding international reach through strategic partners, we deliver industrial-grade solutions for global infrastructure challenges.
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Product Highlights
| Feature |
Advantage |
| All-Weather Use |
Effective in -20°C to 60°C; usable in rain or shine |
| Instant Application |
Traffic can pass immediately after placement |
| Pressure-Activated |
Gains strength through vehicle compaction |
| Versatility |
Asphalt, concrete, potholes, cracks, edge breaks |
| 5-Year Durability |
Certified performance & long lifecycle |
| Eco-Friendly |
VOC-free, zero emissions, recyclable leftovers |
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Technology Comparison
| Criteria |
WS-802 |
Water-activated |
Solvent-based |
| Type |
Pressure-sensitive |
Reactive |
Solvent evaporation |
| Traffic Opening |
Immediate |
After curing |
After curing |
| Durability |
>5 years |
~1 year |
~6 months |
| Rainy Day Use |
✓ |
✗ |
✗ |
| Storage |
>5 years |
<3 months |
~6 months |
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Key Use Scenarios
- Highways & Expressways
- Urban Roads & Streets
- Parking Lots & Logistics Parks
- Airport Taxiways
- Industrial Facilities & Mining Roads
- Municipal and Public Infrastructure
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Sample Case Study
Location: NINGBO, Zhejiang Province, China
Date: May 2025
Traffic: Heavy-duty trucks
Results: Potholes repaired in 15 minutes; traffic resumed instantly. No failures after 60 days of inspection.
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Why Partner with Us?
- Proven success in the market (100+ tons/month sales per city)
- Full marketing & technical support
- Competitive distributor pricing & Regional exclusivity
- Fast delivery & customized packaging options
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Frequently Asked Questions
Q1: Can WS-802 be applied during rain?
Yes, WS-802 is an all-weather material that can be used in both rainy and snowy conditions, effectively bonding even in wet potholes.
Q2: How soon can traffic resume after repair?
Immediately. Since it is a pressure-sensitive material, vehicle tires actually help compact and harden the patch as they drive over it.
Q3: Does it require any special machinery?
No. One person can complete the repair using only simple hand tools like a shovel or a hand tamper. For small repairs, even car tires provide enough compaction.
Q4: What is the shelf life of the material?
WS-802 has an exceptional shelf life of up to 5 years when stored in its original, unopened packaging, significantly longer than traditional cold mixes.
Q5: Is this a permanent or temporary fix?
WS-802 is designed for permanent repairs with a certified durability of over 5 years, outlasting most other cold-applied patch materials.
Q6: Is it environmentally safe?
Absolutely. It is VOC-free, produces zero emissions during application, and any leftover material is 100% recyclable.
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