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PVC Pipe Turned Portable Bluetooth Speaker | Hackaday
We’ve always felt that sections of PVC pipe from the home improvement store are a criminally underutilized construction material, and it looks like [Troy Proffitt] feels the same way. Rather than trying to entirely 3D print the enclosure for his recently completed portable Bluetooth speaker, he combined printed parts with a piece of four inch pipe from the Home Depot.
audio  pvc  hackaday  tutorial  speaker 
9 days ago by cyberchucktx
Oatey YouTube Channel
Includes "How to Solvent Weld with Oatey Products"
Oatey  plumbing  PVC 
10 weeks ago by amoore
How to Solvent Weld with Oatey Products
Details on how to assemble PVC pipe; from Oatey, a mfg of PVC adhesives
plumbing  adhesives  PVC  Oatey 
june 2019 by amoore
PVC Ply, PVC Laminates, UPVC Window, PVC Wall Panel, PVC Foam Sheet
We are in Wood Plastic Composite industry for manufacturer & supplier for PVC Ply, PVC Laminates, UPVC Window, PVC Wall Panel, PVC Foam Sheet, wpc furniture, wpc products, wpc doors, wpc board, wpc flush door, wpc fencing, wpc desk, wpc water proof board.
wpc  adhesive  india  pvc  wood  solvent_cement 
june 2019 by hersh.verthun
Identifying Unknown Plastics
"This is a piece of free-burning ABS tubing showing characteristic flame color and smoke. The burn test, as it’s known, correlates a plastic sample’s composition with a set of observable properties including…

whether or not the material will freely burn in air when a gas ignition flame is removed,
the color of the flame,
the smell,
the presence or absence of molten drips, and
the color and properties of any smoke, esp. the reactivity of smoke with wet litmus paper.
Though useful, the burn test should be used with caution of the toxicity of many plastic combustion products, and need not be a first resort when confronted with a sample of unknown polymer.

To risk stating the obvious, the first step in identifying a piece of plastic should be to look for a label. Since 1988, the SPI resin identification coding system (Wikipedia) has been widely adopted by plastics manufacturers to label their products for post-consumer recycling. Though the variety of possible plastic materials is essentially infinite, the familiar SPI recycling codes are a useful basic taxonomy of the polymers one is likely to encounter “in the wild.”

SPI # Abbreviation Name Example Use Density (g/mL)
1 PETE/PET Polyethylene terephthalate Water bottles 1.37-1.45
2 HDPE High-density polyethylene Milk jugs 0.93-0.97
3 PVC Polyvinyl Chloride Pipe 1.3-1.45
4 LDPE Low-density polyethylene Saran wrap 0.91-0.94
5 PP Polypropylene Food containers 0.85-0.94
6 PS Polystyrene Model kits 1.05
9 ABS Acrylonitrile butadiene styrene Lego bricks 1.04
Assuming your sample has no label that would indicate its composition, then, the test which offers the best combination of safety, utility, and convenience is probably density. If your sample is made of a single material, solid through and through, its density can be checked against a set of reference liquids of known densities by simply dropping the sample in a small vial of each liquid: If it floats, it is less dense than the reference, and if it sinks, it is more dense than the reference. Polyethylenes and polypropylenes float in water (density = 1 g/mL), for instance, while most other plastics sink. Among heavier-than-water plastics, ABS and PS will float in glycerin (density = 1.26 g/mL), but PETE and PVC do not.

Other useful tests for discriminating plastics are the Beilstein copper wire test (which indicates the presence of chlorine, e.g. in PVC), susceptibility to acetone (most plastics besides polyethylene and polypropylene will become “tacky” on exposure), and whether the plastic turns white under stress, e.g. when bent (PVC whitens; PET does not)."
plastic  identify  unknown  flame  toxic  test  burn  polymer  label  SPI  PETE  PET  HDPE  PVC  LDPE  PP  PS  ABS 
may 2019 by cosmic
What Is PVC Vinyl Fencing?
PVC vinyl fencing is made of a plastic-based material and a very durable, low-maintenance, and affordable fencing option. Learn about the many benefits of PVC vinyl fencing!
vinyl  vinyl-fence  pvc 
april 2019 by Adventure_Web
اسقف بلاكو بلاطر كيفية تركيب الفوريكس forex
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فيديو  forex  Placo  platre  اسقف  اسقف  بلاستيكية  pvc  الفوريكس  بلاطر  بلاكو  بلاكو  بلاطر  تركيب  تركيب  الفوريكس  فوريكس  كهرباء  العمارات  كيفية  from instapaper
april 2019 by snapeplus
WeCANRecycle.org - Identifying plastic scrap types
Identifying type of plastic scrap

1 PET (Polyethylene Terephthalate)
Bottles: soft drink, Pepto-Bismol, Ocean Spray, honey, liquor, Palmolive dish detergent, liquid Spic & Span, other clear bottles with nubs, toiletries, recording tape, pharmaceuticals, heatable food trays, boil-in-the-bag bags.

2 HDPE natural/without color (High-Density Polyethylene)
Jugs: milk, cider, distilled water and spring water, bottles: juice (not clear), rubbing alcohol, large vinegar, single-serving punch-drink or juice, eye drops, grocery bags, base cups, tubs, totes, pallets, flexible film bags, bottles, laundry and dish detergent, fabric softener, saline solution, bleach, lotion, motor oil, antifreeze, dispensers, dental floss and baby wipes.

3 PVC (Polyvinyl Chroride)
Blister pack "bubble" for batteries, hardware supplies, etc., swimming pool toys and liners, shoe soles, garden hose. Bottles: imported mineral water, salad dressing, salad and vegetable oil, floor polish, mouthwash, liquor, some translucent pharmaceutical bottles, bottle liners and cap coatings.

4 LDPE (Low-Density Polyethylene)
Usually appears in flexible film bags for trash, dry cleaning, bread, produce, etc., also some rigid items such as food storage containers and flexible lids; coating; stretch wrap.

5 PP (Polypropylene)
Battery cases, medical containers, oil additive tubs, cereal box liners, bottle labels and caps, rope and strapping, combs, snack wraps/bags, Tropical frozen orange juice cans, some yogurt cups and lids (those that do not crack easily when bent), geomembranes.

6 PS (Polystyrene)
Most fast food cutlery; some yogurt cups and tubs, cookie and muffin containers, vitamin bottles, carry-out containers (clamshells, etc.), meat trays, egg cartons

7 OTHER (Varies)
Water cooler bottles; products made of plastics other than the six most common or made of multiple resins in layers, blends, or different parts (examples: microwavable serving ware, "brick-pack" juice boxes, most snack bags, e.g., potato chips, squeezable bottles for ketchup, condiments, jellies, syrups).
plastic  recycling  guide  thumbnail  PET  HDPE  PVC  LDPE  PP  PS 
april 2019 by cosmic

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