taura whatu, rīpene tā putorino kia kore paninga leakage, mata maheni, mata tau, kahore he burr me tihore āhuatanga, kaha tensile ≥2.5N, te pāmahana whakawhiti ko te tikanga e pā ana ki 60 ℃-90 ℃, ka taea hoki te whakarite kia rite ki te āhuatanga tūturu o te hanga kaihoko.