Heavy Duty Stick-On, uses a heavy coat rubber adhesive.
VELCRO® Brand ULTRAMATE® 820 PS52 Heavy Duty is a high strength plastic extruded hook tape, 20mm wide and 25 metres long, supplied on a roll in black with a high-tack rubber resin self adhesive pre-applied for easy peel and stick application. This hook tape can be used with any woven loop, for indoor applications we recomend using
PS18 Loop and for outdoor applications pair with
PS30 Loop.
When extra strength is required VELCRO® brand Heavy Duty tape provides just that. It is an extremely strong rubber adhesive suitable for use on most surfaces including metal, glass, wood, rigid plastic and card; it can also be used on rough surfaces and outdoor applications as it is weather resistant. The hook to loop connection is so strong so it can be used for semi-permanent fixings or applications that require a more secure fastening. A 100mm x 50mm piece in ideal conditions can hold up to 15kg.

VELCRO® Brand fasteners with heavy coat PS52 rubber adhesive for extreme holding power, application and substrate chart:
Application Instructions:
1. Clean and dry surface before application
2. Peel tape from fastener and press firmly into place
3. Adhesive reaches maximum strength after 24 hours
Note: Not recommended for fabrics, dashboards, flexible vinyl or underwater use. Continued exposure to full sunlight can damage fastener.
Substrate
VELCRO® Brand PS51/52 Rubber Resin Adhesive
Polyethylene (PE, PELD, PEHD)
Suitable
With Reservation
Not Suitable