Basic Uses
GUIBAO MS558 window and door sealant is specially formulated for
Colours
GUIBAO MS558 is available in black, white and gray.
Packaging
GUIBAO MS558 is available in sausages (net 500ml).
For more details, please download: GUIBAO MS558 Sealant for Window and Door
These values are not intended for use in preparing specifications.
| Test | Property | Unit | Result |
| As supplied-tested at 25℃, 50% relative humidity | |||
| Flow, sag or slump | Nil | ||
| Tack free time | |||
| Black, gray, white | Minutes | 60 | |
| As cured-after 7 days at 25℃, 50% relative humidity | |||
| Durometer hardness, shore A | |||
| Black, gray, white | Points | 34 | |
| ASTMD412 Ultimate tensile strength | MPa | 1.0 | |
| Temperature stability | ℃ | -20 to 120 | |
| Movement capability | % | ±20 | |
| ASTM C1135 Tensile adhesion strength | |||
| At 60% extension | Psi(MPa) | 89(0.6) | |
| Elongation at break | % | 110 | |
※These values could not be used as product standards.
Complete technical information and literature, adhesion testing, compatibility testing and stain testing are available from GUIBAO.
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Surface Preparation
Clean all joints removing all foreign matter and contaminants such as oil, grease, dust, water, frost,
surface dirt, protective coatings.
Application Method
Install back-up materials or joint fillers, setting blocks, spacer shims, and tapes. Mask areas adjacent to joints
to ensure neat sealant lines.
Apply GUIBAO MS558 in a continuous operation using dispensing guns. Before a skin forms, tool the sealant with light pressure to spread the sealant against the backing materials and joint surfaces. Remove masking tape as soon as the bead is tooled.
Chengdu Guibao Science and Technology Co., Ltd. (GUIBAO), a company established since 1998, is the leader of China silicone sealant industry. It is located in the Sichuan province where the China silicon industry is congregated. GUIBAO specializes in the manufacturing of silicone sealants, specialty equipment for the production of sealant, with the expertise to create models for the industrial manufacture of silicone sealant.
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