aerosol 101

Faye HabereStyle Caps and Closures, Inc.

March 25, 2009

AerosolOvercaps

101

Why are caps important??

1. Dust Cover

2. Prevents accidental discharge

3. Aesthetics

4. Load Factor

5. Can deliver a message

6. “Green” Factor

March 26, 2009 Aerosol 101 Slide 2

How are they made?

• Caps are made via an injection molding machine – the machine is known as the “press” and the tool that makes the caps is the “mold”.

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Injection Molding Machine

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How does it work?

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Mold (Cavity)

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To layer pack or not to layer pack…..

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Material Properties

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• Polyethylene (HDPE)• Polypropylene (PP)• Clarified Polypropylene (CPP)• Copolymers (Blended)• Styrolux/K-Resin• Non-Antistat Polypropylene  (NAPP)

Materials

March 26, 2009 Aerosol 101 Slide 10

Polypropylene

1. Lightweight

2. High compressive strength (top load)

3. Scuff Resistant

4. Retains stiffness and flex

5. Clearer than PE

6. Higher anti-stat levels

Polyethylene

1. Softer material – more crack resistant

2. Does not hold it’s shape when bent

3. Cloudier

4. Faster cycle times

5. Scuffs easily

March 26, 2009 Aerosol 101 Slide 11

Other materials Clarified PP

Use when more clarity is needed

StyroluxBest clarity, lowest shrinkage

Non-antistat PPUse when painting, printing or metallizing

capsMarch 26, 2009 Aerosol 101 Slide 12

Can Styles

AluminumStraight WalledNecked InDS ContainerSexton CanMarch 26, 2009 Aerosol 101 Slide 13

Aluminum

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Straight Side/Necked In

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DS Container

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Sexton Cans

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Cap Styles

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Styles

• Generic designs are mass produced and lower priced. Provides a standard look.

• Custom designs are developed with marketing for a distinctive look to complement the package and product.

Straight Sided

• 202• 211• 300

• High Stacker Caps• Double Shell• Tamper Resistant DS• Tamper Proof• Snap Lock• Rim Snaps

March 26, 2009 Aerosol 101 Slide 20

Necked In

• 112/45mm• 202/52mm• 205/57mm• 211/65mm• 300/70mm

• Stacker Type• Double Shell• Single Shell• Tamper

Resistant/Child Proof• Spray Thru

March 26, 2009 Aerosol 101 Slide 21

Aluminum

• 38mm• 45mm• 49mm• 50mm• 53mm• 59mm• 66mm

• Caps to fit over valve cover

• Double Shell Caps• Caps to fit over

actuators

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Single Shell/Double Shell

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Why use a single shell cap?

• Will fit a larger actuator – one that is larger than the valve cup

• May use less plastic than a double shell

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…and WHY NOT?

• Caps are more size critical with regard to fitment on the can – double shells lock onto the valve cup so are not as critical

• Top load strength is diminished because caps rests on the shoulder radius

• Do not mold as fast as double shells which will affect cycle time (cost)

March 26, 2009 Aerosol 101 Slide 25

Functional Caps (or caps that work for a living)

• Spray Thru

• Child Resistant/Elderly Friendly

• Tamper Resistant

• Tamper Proof

• Accessory Holder (Tube Clip)

• Interactive

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Spray Thru

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Tamper Resistant

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Interactive Cap

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Tube Clip

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Value Added

Printing Embossing

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More value added….

Metallized Cap Stickers/Labels

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Marketing

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Marketing Questions

• What is your customer’s business - filler, manufacturer or end product user?

• Does your customer have specific requirements for an overcap - tamper resistant, functional, spray through?

• Convenience vs. cost – large cavitation vs. small, short leadtimes, uniqueness or inventory requirements

March 26, 2009 Aerosol 101 Slide 34

More questions….

• What is your competitive edge – a unique feature, distinctive look, low cost?

• What size do you need – can size, double or single shell?

• Premium product or market driven?

March 26, 2009 Aerosol 101 Slide 35

Resources

• Caps– www.cobraplastics.com– www.berryplastics.com– www.estylecaps.com– Rackow Polymers, Bensonville, IL– http://underwoodmold.com

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THE END

Thank you!Please email any questions to:

Faye Haber

eStyle Caps & Closures

faye@estylecaps.com

Phone: 815.861.2967

Fax: 702.538.9064