Field of use: B-GUM 121 P is suitable for the seaming phase, it has good tackiness. B-GUM 121 P allows the repositioning of materials before sewing.
Application: B-GUM 121 P is usually applied by brush on both sides.
Field of use: B-GUM 122 F is suitable for the seaming phase, with high tackiness. B-GUM 122 F allows the repositioning of materials before sewing.
Application: B-GUM 122 F is usually applied by brush; it can be applied on one side only.