Polyethylene (PE) and Polypropylene (PP) are two types of plastics commonly used in turf production, each with distinct characteristics. PE turf is known for its softness and is often used in landscapes and gardening due to its lifelike appearance and comfort underfoot. It tends to have a longer lifespan and better UV stability, making it an excellent choice for areas exposed to sunlight. On the other hand, PP turf is more durable and resistant to staining, making it suitable for sports fields and areas with high foot traffic. It's also less expensive than PE but may feel rougher and less natural. Choosing between them depends on the intended use: PE for a more natural look and feel, and PP for durability and cost-effectiveness.

The conversion from ounces to grams depends on the material's density; however, for yarn, we typically deal with weight rather than density. Generally, there is no fixed answer because yarn can vary widely in density and thickness. However, in terms of pure conversion unrelated to the specific characteristics of the yarn, 1 ounce equals approximately 28.35 grams. For yarn, the weight in grams can tell knitters or crocheters how much yarn they are getting in an ounce since the thickness (or "weight" in yarn terminology) can affect the length of yarn you get. Lighter yarns will have more length per ounce than heavier yarns. It's always best to look at the yarn label, as manufacturers will often provide the weight in both ounces and grams, along with the length, to help you better understand what you're purchasing.

PVC pipe glue, also known as PVC solvent cement, is designed to weld PVC pipe and fittings together, creating a permanent bond. The cure time for PVC pipe glue depends on several factors including the type of glue used, pipe size, temperature, and humidity. Generally, manufacturers recommend a set time of about 15 minutes for handling strength and a cure time of 24 hours for full strength under optimal conditions. However, for larger pipes or in cooler temperatures, the cure time can extend up to 48 hours. It is crucial to check the product's specific recommendations, as formulas can vary. Ensuring that the pipe and fittings are clean and dry before application will enhance the bonding process.