Overview Reviews Product Description This heat absorbing paste has been time tested for protecting materials from heat damage. Typical uses include soldering on ball, dielectric, and solenoid valve components. BLOC-IT® prevents metal distortion and protects painted or finished surfaces from adjacent soldering, brazing, or welding Markal - TEMPIL - LA-CO Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Markal Bloc-It® Heat Absorbing Paste 10oz Tube 11511 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *