Net Weight: 2.2lbs/1kg Pewter and lead casting rubber Read Technical Bulletin and MSDS before using available at: https://www.smooth-on.com/products/mold-max-60/
Net Weight: 2 lbs. / 0.91 kg Platinum cure RTV, RTV rubber Read Technical Bulletin and MSDS before using available at: https://www.smooth-on.com/products/mold-star-20t/