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Hayakawa Rubber Co., Ltd.

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OP coating

OP coating
Since our company developed an ultraviolet curing material through our original high polymer technologies, Hayatone UV Series has been used for a variety of applications specialized for customer needs, one component type UV curing ink with a high degree of adhesion to PET bottles, and as a coating material for PE tubes.

Ultraviolet (UV) curing PE tube coating Hayatone OP Coat Series – ER, ERK, HER

■ Features
  • Both gloss and matte types are available.
  • The gloss type is very shiny and has excellent slip characteristics.
  • Has excellent foil stamping properties (Hot Stamping).
  • Hybrid polymerized type * ・The cation polymerized type curing films have almost no odor. (ERK, HER)
  • Hybrid polymerized types can be used with all ink types. (HER) (Both radical polymerized type and cation polymerized type can be used together. *according to in-house testing)
  • Cation polymerized type curing film produces very little extract and so it can be used for medicine tubes, etc.
  • Product has also been used in numerous products by overseas users. *Hybrid polymerization types (radial/cation polymerization) are patent pending.

■Properties

Properties ER-130 ERK-88T HER-10
Appearance Pale yellow liquid Milky white liquid Pale yellow liquid
Viscosity [cPs] 25°C 350 ± 100 300 ± 200 300 ± 100
Flash point (measurement value) 108℃ 204℃ 78℃

*Reference value

Shipping units: 16 kg/can

■ER Series

Finishes with a very smooth texture, providing excellent slipping characteristics.
Type Initial adhesiveness Alcohol resistance *2 Slipping characteristics Foil stamping characteristics Gloss Odor
Radical polymerization ER-130 100 mJ/cm2 100 mJ/cm2 After curing 14.5° After curing ○ 94 Characteristic
100/100 20 times × Day after curing 12.2° After 7 days △

*Reference value

■ERK Series

Extracted ingredients after curing are extremely low, making it suitable for pharmaceutical tubes.
Type Initial adhesiveness Alcohol resistance *2 Slipping characteristics Foil stamping characteristics Gloss Odor
Cation polymerization ERK-88T 200 mJ/cm2 200 mJ/cm2 After curing 25.5° After curing ○ 90 None
100/100 80 times ○ 100 times × Day after curing 25.4° After 7 days ○

*Reference value

■HER Series

Provides good gloss and excellent slipping characteristics and foil stamping characteristics.
Type Initial adhesion Alcohol resistance *2 Slipping characteristics Foil stamping characteristics Gloss Odor
Hybrid polymerization※1 HER-10 200 mJ/cm2 200 mJ/cm2 After curing 18.5° After curing ◎ 95 None
100/100 80 times ○ 100 times × Day after curing 18.3° After 7 days ◎
*1: Hybrid polymerized type consisting of hybrid of the radical polymerized types and cation polymerized types.

*Reference value

Curing conditions (reference) Air cooled high pressure mercury lamp: 80 W
Initial adhesion Crosscut
Alcohol resistance Number of rubbings per 1 kg/cm2 for peeling from rubbing with gauze treated with 99.5% ethanol solution
Slipping characteristics Static friction angle tested using a HIDON Static Friction Tester
Foil stamping characteristics Foil stamping adhesion is testing using cellophane tape peeling immediately after coat curing and after 7 days.
Gloss Gloss meter 60°
Odor Organoleptic assessment carried out 5 minutes after curing