About the Material
Big Bloks are rotation-molded of Low Density Polyethylene (LDPE).
PE is found in many common and specialized applications, including;
Food containers, sandwich bags, and cutting boards
Paint cans, chemical and fuel containers
Milk and beverage bottles
Chemical and rain suits
Buried plumbing (poly pipe), electrical vaults, and wire insulation
Tanks of all manner: buried, truck-mounted, portable
Ground sheets, non-stick barriers, and drop-cloths (Visqueen)
Radiation containment and protective suits
Playground slides, recreation equipment, and toys
Garbage cans, tarps, culverts, outdoor signs
Big Blok 1
Is a cylinder 18" x 12" tall. It has a liquid capacity of 10 gallons (38 liters) and weighs approximately 12 Lbs. empty. The 10" screw-on cap has a 3/4" vent valve for equalizing. A plugged, threaded hole near the bottom permits installing a dispensing valve or other 3/4" plumbing. There are two (2) recessed hand-holes for carrying. Big Blok 1 is used as a 'filler' in constructions.
Big Blok 2
It is, essentially, two Big Blok 1's, 36" x 18" x 12", with two (2) 10" caps. It has a liquid capacity of 23 gallons (87 liters) (2.5 bushels dry measure) and weighs approximately 24 Lbs. There are two (2) plugged, threaded holes near the bottom, adjacent to each other. Metal threaded inserts on top, bottom, and sides facilitate attachment of accessory items. The two (2) recessed, radial hand-holes are for carrying.
Big Blok 3
Is "L"- shaped to allow intersecting constructions. It has three (3) caps and a liquid capacity of 37 gallons (140 liters) and weighs approximately 36 Lbs. There are three plugged, threaded holes near the bottom and three (3) recessed, radial hand-holes for carrying.
The question comes up about the life of LDPE in the sun? There is not an exact answer, here are a few thought to consider
- The LDPE Big Blok uses has a UV inhibitor added
- The colors used in Big Blok has a UV inhibitor added
- Last, the pictures below depict slides installed at a local playground in 1998 with a sample of the same LDPE from today. Which slide would you prefer after 17 years?