(a) General construction, repair and installation. Equipment and utensils necessary to the manufacture of butter and related products must meet requirements in § 59a.304 (relating to equipment and utensils).
(b) Continuous churn. Product contact surfaces must be of noncorrosive material. Nonmetallic product contact surfaces must comply with the current 3-A Standards for Multiple-Use Plastic Materials or the current 3-A Sanitary Standards for Multiple-Use Rubber, and Rubber-Like Materials. Product contact surfaces must be readily accessible for cleaning and inspection.
(c) Conventional churn. Churns must be constructed of aluminum, stainless steel or equally corrosion resistant metal, free from cracks and in good repair. Gasket material must be fat resistant, nontoxic and reasonably durable. Seals around the doors must be tight.
(d) Bulk butter trucks, boats and packers. Bulk butter trucks, boats and packers must be constructed of aluminum, stainless steel or equally corrosion resistant metal free from cracks, seams and have a surface that is relatively smooth and easily cleanable.
(e) Butter, frozen or plastic cream melting machines. Shavers, shredders or melting machines used for rapid melting of butter, frozen or plastic cream must be of stainless steel or equally corrosion resistant metal, sanitary construction and easily cleanable.
(f) Printing equipment. Printing equipment must comply with the current 3-A Sanitary Standards for Equipment for Packaging Viscous Products.
(g) Brine tanks. Brine tanks used for the treating of parchment liners must be constructed of noncorrosive material and have an adequate and safe means of heating the salt solution for the treatment of the liners. The tank must also be provided with a satisfactory drainage outlet.
(h) Starter vats. Bulk starter vats must be of stainless steel or equally corrosion resistant metal and constructed according to applicable 3-A Sanitary Standards. The vats must be in good repair, equipped with tight-fitting lids and have effective temperature controls.