PPG PR-1770 Class B is a manganese dioxide cured polysulfide, high strength integral fuel tank sealant. Service temperature is −55 to 180 °C. It is tested to AMS 3269 Class B test methods and mixed at 10:100 by weight.
Application Properties (B-2)
- Application life 2 hours; tack free under 24 hours; 30 Shore A in 48 hours
Performance
- Specific gravity 1.59
- Peel: 45–50 pli after JRF, 58–69 pli after JRF/NaCl
- Tensile strength 530 psi; elongation 350%; swell 10%
Storage
- At least 9 months below 27 °C
| Packing | 2.5 OZ or 6 OZ |