This excellent 4.6 mil (74#) layflat liner that has been silicone coated one side for a consistent, controlled release.  SL05115 has been designed to withstand all die-cutting, marginal punching, perforating, fan-folding, and refolding processes. 
Basis Weight: 73.6 lbs. (Tappi T-410)

Release Range: 10-40 grams/inch (Tesa Tape 7475)

Moisture: 4.5%

Elemendorf: (Tappi T-414)
  Tear MD: 80 grams
  Tear CD: 90 grams