Home Plant Products Distributers Contacts Blog NORCAL Horticulture Perlite - Product line: Product Specifications Manufactured and blended to exacting standards of quality and consistency. TechSpecs Norlite Perlite Metric Standard #2 Granule Size (n"/n") 1/16"--5/8" Mesh Range 4-50 Loose Density 6.5-8 LBS US Sive #8 55-65% US Sive #16 84-88% Standard #2: The most popular product in our horticulture line of superior perlite products. Perlite's Standard #2 horticulture perlite is an outstanding product widely used by nurseries in the propagation of bedding plants and seedlings. Well-suited as a mix-in element with other growth mediums. An outstanding product with a mixture of fine and large perlite granules Metric Hydro 4+ Plus Granule Size (n"/n") 1/8"--5/8" Mesh Range 3-8 Loose Density 6.0-7.5 LBS US Sive #4 53-63% US Sive #6 90-98% US Sive #8 95-100% Hydro 4+Plus: Our Newest product in our horticulture line of superior perlite products. Perlite's Hydro4+ horticulture perlite is an outstanding product widely used by Hydroponic Grow Operations and Hydro Farms An excellent growth medium for all outdoor and indoor plants Excellent Drainage for Hydroponic grow Operations Metric Screened #2s Granule Size (n"/n") 1/16"--3/16" Mesh Range 4-50 Loose Density 6.5-8 LBS US Sive #8 55-65% US Sive #16 85-90% Screened #2s: Perlite Screened #2Ss horticulture perlite is a specialty product widely used in soil mixes by nurseries for the germination of seeds. Well-suited as a mix-in element with other growth mediums Used for enhancing seed propagation. Metric #100 Granule Size (n"/n") 1/16"--2/16 " Mesh Range 8-50 Loose Density 7.0-8.5 LBS US Sive #8 40-50% US Sive #16 - Fines: # 100 Small sand like granules of perlite NorCal Perlite Premium Fines - used for: Multiple horticulture uses Filtration agent Available in various grades and sizes Please call to discuss your needs Metric Premium #3 Granule Size (n"/n") 1/8"--/5/8" Mesh Range 4-30 Loose Density 6.5-8 LBS US Sive #8 60-70% US Sive #16 88-92% Premium #3: NorCal Perlite's Premium #3 horticulture perlite is a superior product with large coarse particles and a higher percentage of fines removed. An excellent growth medium for all outdoor and indoor plants Excellent drainage aeration properties See Describing Perlite Particle Size for an explanation of the data shown above: Information presented with the curtesy of the Perlite Institute Safety Credit Application Certified (510) 232-7337 (510) 232-8127 fax 2605 Goodrick Ave. Richmond, CA 94801