Case FAQ

Questions About Cases
What material(s) are the cases made from?
The cases are made out of a Polypropylene copolymer material that is light weight, durable and highly chemical resistant. 

What temperatures can the cases tolerate?
The cases will withstand temperatures from -10°F (-23.3°C) to +210°F (98.8°C).

What adhesives and/or paints can be used on the cases?
Due to the nature of the polypropylene being chemically inert, very little will attack the material. That also means that very few adhesives and paints will adhere satisfactorily. For an adhesive, we have found that 3M's DP-8005 two-part adhesive works very well with our case material. It has also been reported that "Shoe Goo" works very well. For paint, Krylon has a product out called Fusion that they claim will adhere to polyolefin-based materials like polypropylene.
Recommended Adhesives for Pelican Protector Case™

Are there any hazardous substances in the case material?
RoHS, or “Restriction on Hazardous Substances” – RoHS specifically bans or restricts the use of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated biphenyl ethers (PBDE). At the July 1, 2006 implementation of the RoHS provisions, Pelican cases will not contain the banned or restricted materials and will therefore be RoHS compliant. NOTE: Directive 2000/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment – is aimed at reducing the hazardous materials content in electronic products as well as increasing the recycling efforts for these products.


Are the cases water resistant?
Yes, the cases are water resistant. There is an o-ring in the lid and a Gore-Tex membrane in the pressure equalization valve that keep water out of the case.


How does the Pressure Equalization Valve work?
The Pressure Equalization Valve is a simple device. It consists of a housing with a hole through it that is covered with a thin Gore-Tex membrane. According to the Gore tech sheet: “The microporous expanded polytetraflouroethylene (ePTFE) membrane continuously allows the free passage of gases and vapors, equalizing the pressure differential between the enclosure and ambient before it builds to the point that a seal is compromised. Water, dust and dirt are repelled by the hydrophobic membrane, thereby protecting expensive and sensitive electronics.”


What is the o-ring made of?
The o-ring is made of EPDM or Ethylene Propylene Diene Monomer. It is well known for its excellent ozone, weathering and aging resistance. It also has excellent water and steam resistance, maintains its flexibility at low temperatures, features excellent resistance to alkalis, acids and oxygenated solvents and is very color stable. (It is not recommended for resistance to oil, gasoline and hydrocarbon solvents.) EPDM is found in a wide range of applications and is excellent for use outdoors.


What type of lubricant should be used on the o-ring?
Use only silicone grease lubricants to maintain the life of the o-ring and preserve the watertight properties of your case. 

Are the Pelican cases TSA approved?
Our cases are TSA compliant as far as transporting a weapon on commercial aircraft.



Technical Bulletins

Pelican 1120 Case Design Refinements

Pelican 1150 Case Design Refinements

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