| Customization: | Available |
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| Adhesion Strength: | High Adhesion |
| Temperature Resistance: | 5-50degrees Celsius |
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Aluminum foil butyl tape is a roll of waterproof sealing tape made of butyl rubber and polyisobutylene adhesive as the base material, combined with anti-oxidizing aluminum foil and release paper. Compared with other butyl tapes, the aluminum foil layer offers additional advantages such as reflecting heat and blocking ultraviolet rays. The backing of the aluminum foil also enhances the strength and durability of the tape, making it suitable for applications requiring heat resistance, weathering resistance and moisture resistance.
| - | Item | Standard | Results | Valuation | ||
| 1 | Persistent adhesion(Min) | Upper surface | ≥20 | 48 | Pass | |
| Lower surface | 37 | |||||
| 2 | Heat-resistant properties (80 °C, 2 h) | No flow, no crack, no deformation | No flow, no crack, no deformation | Pass | ||
| 3 | Low temperature flexibility (-40 °C) | No crack | No crack | Pass | ||
| 4 | Adhesive performance on sheer condition (N/mm) | Waterproofing roll | ≥ 2.0 | 5.3 | Pass | |
| 5 | Peel strength (N/mm) | Waterproofing roll | ≥ 0.4 | 1.4 | Pass | |
| Cement mortar board | ≥ 0.6 | 1.4 | Pass | |||
| 6 | Peel strength retention rate(%) | Heat treatment (80 °C, 168 h) | Waterproofing roll | ≥ 80 | 99 | Pass |
| Saturated calcium hydroxide solution, 168 h | Waterproofing roll | ≥ 80 | 96 | Pass | ||
| Cement mortar board | 128 | Pass | ||||
| Soaking treatment, 168 h | Waterproofing roll | ≥ 80 | 85 | Pass | ||
| Cement mortar board | 124 | Pass | ||||
Aluminum foil butyl tape is mainly used for repairing steel structure factory roofs, metal roofs, and other construction projects; sealing and waterproofing of pipes and fans against buildings; sealing and waterproofing of glass curtain walls, doors and windows; bonding and sealing in automotive assembly, etc.
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