UPM SCK

Smooth, non-filler-added, transparent release base paper is tailored with your specific features. Supercalendered kraft has slightly lower transparency and density compared to glassines.

Regions
North America
Business contact
Category
Base papers
Description
Release base paper with excellent runnability, good dimensional stability and lay-flatness
Grade
SCK
End use
Label
Finish
Supercalendered
Converting method
Emulsion silicone coating | Solvent based silicone coating | Solventless silicone coating | UV cured silicone coating
Format/Size
Reels
Reel Diameter (cm)
80,0 - 135,0 / 147,0
Reel Width (cm)
50,0 - 230,0
Core (mm)
76,0 / 153,0
Wrapping
Strong kraft paper | Strong moisture proof polyethylene laminated kraft paper
Certificates and labels
94/62 EC Heavy Metal Certificate | BfR Food Certificate | EMAS | EN 71/3:1988 D Safety of Toys | FDA Food Certificate | Food Approval Statement | FSC Chain-of-Custody | ISO 14001 | ISO 22000 | ISO 9001 | PEFC Chain-of-Custody
Note
PEFC and FSC on request but subject to availability.

 

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Technical target values (imperial in paranthesis)

Basis Weight (ISO 536) (g/m²) (lb/3000ft²)
65.0 (39.9)
66.0 (40.5)
Thickness (ISO 534) (µm) (mils)
59.0 (2.3)
60.0 (2.4)
Transparency (%)
44.0
43.0
Moisture (%)
6.5
6.5
Unger Oil Absorption (g/m²)
0.8
0.8
Roughness PPS10 TS (µm)
1.8
1.8
Tensile Strength MD (kN/m) (lb/in)
6.5 (37.1)
6.8 (15.4)
Tensile Strength CD (kN/m) (lb/in)
2.7 (15.4)
2.8 (16.0)
{Tearing Resistance MD (mN)} (g)
315 (32.1)
320 (32.6)
{Tearing Resistance CD (mN)} (g)
395 (40.3)
400 (40.8)
L-value C/2°
95
95
a-value C/2°
-1
-1
b-value C/2°
8
8
Imperial values indicated in paranthesis
Please note: Technical values are informative and subject to production variations.