POLY PLASTIC BINDER HISTORY
Poly was discovered in 1890’s as a laboratory anomaly while working with methane gas. Lightweight poly binders lend great savings in cost, utility and performance benefiting end user customer for decades. Crane binder Technologies has built a nationwide repetition for superb heavy duty 110 gauge poly SHPtm binders. Office binders facing some of the most demanding applications known. Mission critical documents are safe guarded and constant state of readiness. Poly binders are just one of the many modern products manufactured from the polyolefin family of thermoplastics. Polyethylene is used in classroom and stadium seating, office supplies including notebook plastic binders.
The breakthrough in poly binder production started with Phillips petroleum Co in Bartlesville Prize, OK. Karl Zeigler was awarded the 1963 Nobel Prize for his work with polyethylene or HDPE.
We manufacture poly plastic binders but surprisingly , the hula hoop was first big consumer product for poly.
Crane provides expandable post binders to Gas Utility companies for their Gas Standards, Operations & Maintenance Manuals. The same yellow poly binder is color matched to the HDPE yellow polyethylene pipe the gas companies are using to replace ancient metal gas piping. Poly is dielectric (i.e. non-conducting) Conservative service life for HDPE seems to be between 50 and 100 years. Crane’ Magnum Northstar replaced casemade, metal hinge expandable expandable post binder(i.e. xxx) list price averaging nearly over $100.00.
A 3 ring binder fabricated from flexible poly sheet goods may be die cut plain as an office binder notebook. Presentation binders are regularly screen printed with a graphic logo design. Crane Binder Technologies custom printed binders are a recognized value leader. Binder 1 inch.
Production of poly HDPE is highly capital intensive and requires significant technical expertise and economies of scale. Producers rarely ever produce an end product.
Custom printed binders made poly start with small clear beads (pellets) of raw polyethylene, about the size of a green pea. The resin is hopper fed into a rotating screw as colorants and UV inhibitors are added. The barrel is heated as screw revolves about 120 rpm. Gradually heated to melt. After extrusion to to gage thickness ( 0.20 to .140) poly goes through a cool down process. These cooling rolls not only deliver cooling but thickness and surface texture. Crush or matte grain. Create your binder cover from our stock sheets of poly.
Real poly 3 binder production began in earnest with Crawford industries in 1959. They remained at the forefront of 3 ring binder production with innovation after innovation. Especially noteworthy was their lead in print technology.
State Highway patrol cars are sometimes equipped with rather substantial police manuals made of poly with 110 ga. thickness. Written into the contract were provisions such as plastic binder must not crackin freezing weather. Our poly SHP advanced hybrid ring binder can be filled with paper text and left in freezer overnight. Next morning the filled binder is thrown a BRICK WALL and remains intact! Retro application most modern patrol cars have a PC Console. Less paper.
That is not all! The 3 ring binder metal mechanism must not sustain damage or expel documents (explode open) when dropped from a substantial height. The SHP tm Advanced Hybrid ring binder mechanism is increasingly being referred to by end users as NO FAIL rings.
It ‘s a perfect marriage; heavy Poly case and NO FAIL RINGS. Poly prevails.