Introduction
In the world of modern architecture where glass skyscrapers pierce clouds and curtain walls defy hurricanes, one unsung hero ensures structural integrity – GIRAFE 981, our flagship ultra-high performance silicone sealant engineered to outperform industry standards. Certified to ASTM C920 Class 100/50, this revolutionary formulation redefines weatherproofing for 21st-century construction challenges.
Technical Superiority
1. Unmatched Movement Capacity (±100%)
Unlike conventional sealants that fail at 25-50% joint movement, GIRAFE 981’s advanced polymer matrix delivers:
- ±100% extension/±50% compression (per ASTM C719)
- 17x cyclic movement endurance in accelerated weathering tests
- Zero cohesive failure after 10,000+ movement cycles (per GB/T 13477.8)
Case Study: Used in Shanghai Tower’s 632m curtain wall, maintaining perfect seal through typhoon-force winds causing 900mm facade oscillation.
2. Military-Grade Environmental Resistance
Our proprietary silicone technology provides:
Temperature Extremes:
- -50°C Arctic Mode: Remains flexible when competitors turn brittle
- +150°C Desert Mode: Resists softening where asphalt melts
- Thermal Shock Survival: Passed 300x (-30°C↔+80°C) transitions
Weathering Arsenal:
- UV Resistance: 98% reflectivity after 5,000h QUV testing
- Ozone Proof: 0% cracking in 100pphm ozone chamber (ASTM D1149)
- Acid Rain Immunity: pH2-11 chemical exposure tolerance
3. Primerless Bonding Revolution
GIRAFE 981’s Nano-Silane Enhanced Adhesion™ bonds to:
| Material | Peel Strength (N/mm) | Test Standard |
|---|---|---|
| Anodized Aluminum | 3.2 | ASTM D903 |
| Tempered Glass | 2.8 | EN 13022-1 |
| ACP | 2.5 | GB 16776 |
Pro Tip: Saves 1.5 labor hours per 100m joint by eliminating primer steps.
Application Domination
A. High-Rise Curtain Walls
- 200m+ Buildings: 8-year track record with 0% sealant-related callbacks
- Unitized Systems: Compatible with all major gasket profiles
B. Specialty Facades
- Sculptural Metal: Bonds to curved titanium panels (tested on Zaha Hadid projects)
- Bird-Friendly Glass: Non-toxic formulation safe for avian collisions
C. Critical Roofing
- Solar Array Sealing: UL 790 fire-rated for photovoltaic installations
- Green Roofs: Resists root penetration (FLL certified)
Installation Masterclass
Step 1: Surface Prep
- Clean with isopropyl alcohol (not acetone!) for optimal bonding
- Joint design calculator available on our Tech Hub
Step 2: Application
- Optimum bead profile: 2:1 width-to-depth ratio
- Curing timeline:
- Skin formation: 45min @25°C/50% RH
- Full cure: 7 days (21-day cure for structural joints)
Step 3: Quality Control
- Non-destructive testing: IR thermography for void detection
- Service life monitoring: Free Sealant Health Check program
Why Professionals Choose GIRAFE 981
- Value Engineering
- 30-year service life vs. industry-average 15 years
- 1.2x higher initial cost but 3x lifecycle savings
- Global Compliance
- CE Marking (EN 15651-1)
- Singapore Green Label
- Middle East Civil Defense approvals
- Technical Support
- On-site joint design assistance
- Custom color matching (Pantone® system)
Industry Voices
“When sealing the 400m Shenzhen Gemdale Tower, GIRAFE 981 was the only product that could handle the 120mm seasonal joint movement without stressing the glass.”
- Liu Wei, Lead Façade Engineer, CCDI Group
Order Options:
- Standard Cartridges: 300ml (Case of 24)
- Sausage Packs: 590ml for bulk guns
- Industrial Drums: 20L for automated dispensing
Special Offer: First-time buyers get free application gun with 10+ case order.

