Heavy Duty Stick-On, uses a heavy coat rubber adhesive.
VELCRO® Brand PS51 Heavy Duty self adhesive woven loop tape 50mm wide x 25m long roll in white.
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 PS51 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