DimensionsPlastic Thickness0.250″Plastic Width24″Plastic Length24″Width Tolerance+/-0.25 inLength Tolerance+/-0.250 inWidth24″Length24″Thickness0.250″Plastic Width Tolerance+/-0.25 inNominal Size24 in W x 24 in LPlastic Length Tolerance+/-0.250 inDetailsItemSheet StockPlastic GroupingSheet StockPlastic MaterialHDPEPlastic ColorBlackPlastic PropertiesChemical/Corrosion Resistant, Non-Friction Surface, Moisture Resistant, UV Tolerant, Wear MaterialMax. Temp. (F)176 Degrees FMin. Temp. (F)-58 Degrees FColorBlackImpact Strength1.30 ft-lb/inStandardsFDA, USDATensile Strength4,600 psiMaterial Color FamilyBlackMaterial TypeCorrosion ResistantOperating Temp. Range-58 Degrees to 176 Degrees FThickness Tolerance+/-10%MaterialHDPEWater Absorption RatingExcellentFriction RatingVery SlipperyFriction Coefficient0.2MachinabilityFairGradeStandardMinimum Temperature-58 Degrees FPlastic Hardness70DPlastic Hardness RatingMediumWater Absorption0.01 %Maximum Temperature176 Degrees FPlastic Thickness Tolerance+/-10%ShapeSheetsCorrosion and Chemical ResistanceGoodWear FactorGoodTensile Strength RatingPoorPlastic ClarityOpaqueUV ResistantNoTemperature Range-58 Degrees to 176 Degrees FImpact Strength RatingPoorDescriptionSheet Stock, HDPE, Grade Standard, Plastic Length 24 in, Plastic Width 24 in, Plastic Thickness 0.25 in, Black, Plastic Clarity Opaque, Tensile Strength 4,600 psi, Impact Strength 1.30 ft-lb/in, Friction Coefficient 0.2, Water Absorption 0.01 Percent, Temperature Range -58 Degrees to 176 Degrees F, Plastic Hardness 70D PAYMENTPayPal is our preferred method of payment. All major credit cards are gladly accepted through PayPal as the payment processor. Your order will be processed pending receipt of cleared payment through PayPal. Sales tax may be charged depending on your location.SHIPPING We offer free shipping to most states and usually ship within 1-3 business days of payment. Depending on availability, some items may come from outside sources. We do not ship to Alaska, Hawaii, APO/FPO, PO Boxes or any US protectorates.RETURNSIf you have any problem with your purchase please contact us first within 5 business days. We will do all we can to fix the issue. Please note that we cannot give refunds if a return is initiated more than 30 days after the delivery of the item.DISCLAIMERIf you need to cancel a transaction, please contact us as soon as possible and we will attempt to cancel the order. If the order has gone too far through the fulfillment process, we will be unable to cancel. In that event, you would need to wait until you receive the item and go through the normal returns process including applicable fees as mentioned in the above returns section.Our electronic products are only designed for use within the USA and come equipped with a standard U.S. voltage plug (110-120V). We cannot guarantee they will work properly elsewhere. Using an adapter or a converter is at your own risk.