HP High Reusability PA 12 is a tough thermoplastic from Hewlett Packard. It is used for printing prototypes and finished products in the production and medical industry.
In terms of characteristics, 3D printing polyamide HP PA 12 is superior to ABS plastic and photopolymers. Polyamide is biocompatible, non-combustible, as well as UV and chemical resistant. It is used to print mounts, parts, cases, and products with IP67 protection.
HP PA 12 parts have a gray surface. The layers are sintered tightly, so the finished products have high abrasion resistance and do not split. The material retains its strength with sharp variations in temperature and on exposure to ultraviolet radiation.
|Powder melting point (DSC)||+187°C / +369°F|
|Particle size||60 µm|
|Bulk density of powder||0.425 g/cu cm|
|Density of parts||1.01 g/cu cm|
|Tensile strength, max load, XY||48 MPa/6960 psi|
|Tensile strength, max load, Z||48 MPa/6960 psi|
|Tensile modulus, XY||1700 MPa/247 ksi|
|Tensile modulus, Z||1800 MPa/261 ksi|
|Elongation at break, XY||20%|
|Elongation at break, Z||15%|
|Flexural strength (@ 5%), XY||65 MPa/9425 psi|
|Flexural strength (@ 5%)10, Z||70 MPa/10150 psi|
|Flexural modulus10, XY||1730 MPa/251 ksi|
|Flexural modulus10, Z||1730 MPa/251 ksi|
|Izod impact notched (@ 3.2 mm, 23ºC), XYZ||3.5 kJ/m2|
|Heat deflection temperature (@ 0.45 MPa, 66 psi), XY||175 ºC/347 ºF|
|Heat deflection temperature (@ 0.45 MPa, 66 psi), Z||175 ºC/347 ºF|
|Heat deflection temperature (@ 1.82 MPa, 264 psi), XY||95 ºC/203 ºF|
|Heat deflection temperature (@ 1.82 MPa, 264 psi), Z||95 ºC/203 ºF|
Products made from HP PA 12 retain their durability even if they are in contact with chemicals for a prolonged period. The material retains its properties when interacting with water, lubricants, solvents, petrol, and alkaline products.
There are almost no pores in the material, so it does not need epoxy resins to be made water-resistant. Sealed containers and pipelines are printed from it, capable of withstanding liquid pressure up to 20 atm.
Products made of polyamide are denser than water; therefore, even after immersion in water for 24 hours, they absorb no more than 5% of their own weight.
|Aliphatic hydrocarbons (including gasoline components)||●●●●●|
|DOT 3 brake fluid||●●●●●|
*According to HP Development Company, L.P.
Hewlett Packard polyamide is free of heavy metals, carcinogenic PAHs, phthalates, and bisphenol A, so products can get in contact with skin. Its biocompatibility is USP Class I–VI certified, and its content of hazardous substances is certified by RoHS and REACH, Ingredient Safety Statement, and PAHs Certificate.
UL 94 and UL 746A documents certify that polyamide is suitable for products that are not exposed to open flame. The material retains its strength even when heated to +120°C.
HP PA 12 is environmentally friendly. It does not need special storage and disposal conditions.
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