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Marvelseal 470

Marvelseal  470

MIL-PRF-131K Class I

Marvelseal 470 meets all of the requirements of MIL-PRF-131K, Class 1. Marvelseal 470 is heat sealable and can be used for applications requiring superior tear and puncture resistance as well as protection form light, air and moisture vapor. As an added benefit, Protect conforms to FDA Regulations PART 177-1520 CFR21 for direct food contact when used as supplied and in accordance with sound manufacturing practices.

PHYSICAL PROPERTIES 

Properties 

NOM 

MAX

Units 

Test Method 

WVTR  

<0.0005

<0.02

G/100sq in/24hrs

MIL-STD 2017-3030

Oil Resistance 

Passed

No delamination, swelling, or leakage

 

MIL-STD 3015

Puncture Resistance

18

>15

lbs

MIL-STD 2065

Breaking Strength

68.8

<50

lbs/in

4.6.5

Tensile (MD)

29

n/a

lbs/in

TAPPI T411

Tensile (CD)

26

n/a

lbs/in

TAPPI T411

Caliper 

0.0056

n/a

inches

TAPPI T411

Standard Sized   

 36”X100 and 200 yd                             

 48”X100 and 200 yd

 

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