Pecora Dynaflex SC White 10oz cartridge is a one-part non-sag tamper-resistant STPU for security and public-building joints. The white cartridge bead resists picking on security openings that ordinary sealants cannot hold.
Pecora Dynaflex SC is a one-part, non-sag, tamper-resistant elastomeric STPU (silyl-terminated polyurethane) joint sealant. It is used on expansion and control joints and other masonry or metal openings in institutional, correctional, and public buildings where ordinary sealants are easily damaged. It is placed as a white 10oz cartridge when security joints need a tamper-resistant bead that stays within 25% total movement. The surface is tack-free in about 90 minutes, and a 1/4 inch section cures through in 48 hours.
| Property | Value |
|---|---|
| Chemistry | One-part non-sag tamper-resistant elastomeric STPU (silyl-terminated polyurethane) |
| Movement | 25% total; not greater than ±12.5% compression or extension |
| Hardness | Shore A 55±5 (ASTM C661) |
| ASTM C920 | Type S, Grade NS, Class 12.5, Use T1, M, G, A, O |
| VOC | 15 g/L (ASTM D3960) |
| Tack-free time | 90 min |
| Joint size | Width/depth not less than 1/4 in; 1/2 in depth in joints up to 1-1/4 in |
| Primers | P-150 or P-225 on concrete/masonry; P-100 or P-120 on steel/aluminum/glass |
| Pack | 10.1 oz (299 ml) cartridge |
| Color | White |
Product documents: Pecora Dynaflex SC Specification Data Sheet PEC 122 12/24 (PDF)
What work is Pecora Dynaflex SC used on?
Pecora Dynaflex SC is used on expansion and control joints and other masonry or metal openings in institutional, correctional, and public buildings.
What size is Pecora Dynaflex SC?
Pecora Dynaflex SC is a 10.1 oz cartridge. This listing is the white 10oz unit.
What joint movement does Pecora Dynaflex SC have?
Pecora Dynaflex SC has 25 percent total joint movement, not greater than ±12.5% compression or extension.
What hardness does Pecora Dynaflex SC have?
Pecora Dynaflex SC has a Shore A hardness of 55 plus or minus 5.
What joint size does Pecora Dynaflex SC need?
Joints for Pecora Dynaflex SC are not less than 1/4 inch in width and depth, with 1/2 inch depth in joints up to 1-1/4 inch wide.
What chemical exposure is Pecora Dynaflex SC for?
Harsh chemicals including acids, strong alkalis, and ketones are outside the range for Pecora Dynaflex SC.
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