{"product_id":"hcpro-4g-mineral-refrigeration-oil","title":"4G Mineral Refrigeration Oil – ISO VG 68 (SUS 300), Heavy-Duty, R22\/R502","description":"\u003cp\u003e\u003cstrong\u003eThe HCPRO Performance 4G is a refinery-grade mineral refrigeration oil, ISO VG 68 \/ SUS 300 — heavier viscosity for heavy-duty commercial refrigeration and compressors that demand more film strength.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO VG 68 \/ SUS 300\u003c\/strong\u003e — film strength where VG 32 won't hold under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWax-free formulation\u003c\/strong\u003e — prevents floc in evaporators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMineral-oil systems\u003c\/strong\u003e — R-22, R-502, CFC\/HCFC, R-290, R-600a and ammonia\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash point ~430°F\u003c\/strong\u003e — pour point ~-22°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll compressor types\u003c\/strong\u003e — reciprocating, rotary and hermetic, residential to industrial\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho this oil is for\u003c\/h3\u003e\u003cp\u003eHeavy-duty commercial refrigeration techs. Walk-in cooler and freezer service techs servicing larger units. Industrial refrigeration contractors. Appliance repair techs working on R-600a household refrigerators that spec heavier viscosity. Anyone servicing higher-pressure R-22 commercial equipment.\u003c\/p\u003e\u003ch3\u003eWhen to use it\u003c\/h3\u003e\u003cp\u003eDuring compressor refill on R-22, R-502, or hydrocarbon systems specifying ISO VG 68. Use during routine service at OEM-specified intervals. Critical for high-pressure or heavy-duty applications where lighter-viscosity VG 32 won't maintain film strength under load.\u003c\/p\u003e\u003ch3\u003eWhy mineral 4G vs 3G, PAG, or POE\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003e4G VG 68\u003c\/strong\u003e for heavy-duty commercial and high-pressure mineral-oil systems. \u003cstrong\u003e3G VG 32\u003c\/strong\u003e for general HVAC and lower-temp refrigeration. \u003cstrong\u003ePOE\u003c\/strong\u003e for modern HFC\/A2L (R-410A, R-32) — mineral is NOT compatible with HFC refrigerants. \u003cstrong\u003ePAG\u003c\/strong\u003e for R-134a automotive only. Hydrocarbons (R-290, R-600a) are chemically similar to mineral oil for full miscibility.\u003c\/p\u003e\u003cp\u003eAvailable in quart and gallon sizes. Refinery-grade, 3–5 year shelf life sealed. Carries Prop 65 warning for petroleum-based components. \u003cem\u003eManufactured in the USA to OEM compressor lubricant performance standards.\u003c\/em\u003e\u003c\/p\u003e","brand":"HCPRO","offers":[{"title":"Default Title","offer_id":47711597428908,"sku":"02-0041","price":73.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/1293\/7132\/files\/HCPRO_Products__0333_PROD_IMG_B2C_4GLUB_128_PERSP_RIGHT.jpg?v=1793011508","url":"https:\/\/splypro.com\/products\/hcpro-4g-mineral-refrigeration-oil","provider":"SPLYPRO","version":"1.0","type":"link"}