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Functional Double Coating

Back Coating + BOPP/PET + Primer Coating

The primer coating ensures better adhesion between the facestock and adhesive, minimizing the risk of adhesive residue

TestItems		Test Methods	Unit	50um DuplexTransparent PET	50um DuplexGlossy Silver BOPP	54um Duplex Matte SyntheticPaper	75um Duplex Matte SyntheticPaper
Thickness		GB/T6672	um	70±3	50±3	53±3	73±3
UnitWeight		ElectronicBalance	g/㎡	50±3	46±3	43±3	55±3
Fastness		3M810	level	≥4	≥4	≥4	≥4
Whiteness		GB7974	%	/	/	80±5	≥80
Glossiness		GB/T-9754（60°）	Gu	/	/	4-8	4-8
Tensile Strength	MD	GB/T1040	Mpa	≥150	≥100	70-100	70-100
Tensile Strength	CD	GB/T1040	Mpa	≥150	≥150	120-210	130-210
Elongation at Break	MD	GB/T1040	%	≤200	≤200	≤200	≤200
Elongation at Break	CD	GB/T1040	%	≤100	≤100	≤100	≤100
Heat-shrinkage Rate	MD	120℃/5min	%	≤2	≤5	≤3	≤3
Heat-shrinkage Rate	CD	120℃/5min	%	≤1	≤2	≤3	≤3

Standard thickness: 50um/54um/75um

Applicable printing methods: Flexo、Letterpress、Silk screen、Ribbon Printing、Laser、Cold stamp

Recommended storage conditions: Temperature(20-28℃), Relative humidity(25%-60%RH)

1. An ideal material for electronic labels

2. Designed for temporary repositioning needs (e.g., relabeling consumer product bottles, removable electronic labels)

3. Prevents adhesive transfer upon removal, enabling clean repositioning or removal without affecting substrate reprocessing