What's New?
3800 Clean Room Certified
PAI's new ISO 14644-1, Class 7 (10,000) Clean Room is certified and operational. The 6,000 square foot clean room replaces our previous, smaller clean room at our 740 site. 2/6/12
New Family of Chlorosulfonated Polyethylene compounds
PAI announces our new family of Chlorosulfonated Polyethylene (CSM) materials. These were developed to replace our prior CSM compounds that became obsolete when DuPont discontinued Hypalon®. The new compounds are 14540, 14640, 14740 and 14840, 50-80 durometer black; 14525, 14625, 14725, and 14825, 50-80 durometer white and RoHS compliant; and 14715, a 70 durometer black RoHS complaint compound. 1/30/12
New Equipment
PAI's mold division, Standard Machine Mold Co, has taken delivery of a new Makino F5, High Speed 3 Axis Vertical CNC Mill. The additional mill is required to keep up with increased demand for new custom molds. 1/24/12
New Standard Products
Precision Associates add ed 77 new O-Ring sizes to our catalog in 2011 as well as 8 new X-Rings and one new Back-up ring. 12/31/11
New CIIR Compound
Precision Associates announces our new 70 durometer black colored Chlorobutyl compound 13720, featuring excellent resistance to compression set and heat. 12/22/11
New Perflouroelastomer Compound
PAI announces our new 90 durometer P-REX™ Perfluoroelastomer compound, 34931, suitable for use in Back-up rings and other applications requiring increased modulus in extreme environments. 12/02/11
Precision Associates develops two new specialty Viton® Fluoroelastomers.
Compound 8675 is a white 60 durometer FDA Viton® GF-S base polymer that exhibits excellent resistance to chemicals and to compression set. Compound 8848 is a black 80 durometer FDA Viton® with excellent resistance to heat, petroleum based oils, & aliphatic and aromatic fuels. 11/18/11
New HNBR Compound Developed
PAI introduces HNBR compound 55806, developed to have excellent ozone and heat resistance. The compound meets a long list list of ASTM D2000 callouts. 11/08/11
PAI Breaks Ground on New Clean Room
PAI announces construction has begun on our new 6,000 sq ft ISO 14644-1 Class 7 (10,000) clean room. Completion is estimated for late January of 2012. 10/22/11
Two New FDA / 3-A Compounds Developed
PAI introduces two new 50 Durometer Buna N compounds formulated with FDA approved ingredients. Both compounds are also approved by 3-A for dairy applications : 3575 is a 50 Duro White NBR compound and 3541 is a 50 Duro Black NBR. 10/22/11
New HNBR Drive Belt Compound Developed
Precision Associates introduces a new 65 durometer HNBR developed especially for Drive Belt applications. 10/17/11
Compound 5715 Reformulated
PAI 70 durometer black Nitrile compound 5715 was reformulated to provide improved ozone resistance while maintaining good low temperature properties. 5715 also exhibits good resistance to petroleum based oils and aliphatic fuels. 10/10/11
PAI Moves to new location
After 56 years at the same six-story location, Precision Associates is moving to a new home. Our new location is at 3800 North Washington Ave. in Minneapolis. PAI purchased an existing building and spent 9 months preparing it for efficient rubber manufacturing. All production is now on one floor with subsequent manufacturing operations adjacent to each other. We expect this change will result in improved quality and quicker delivery for you, our customer.
White Viton® and EPDM Compounds approved for USP VI applications
We have successfully tested our white Viton® compound 48725 and white EPDM compound 423725 for compliance to USP VI requirements. Compound 48725 (Viton®) exhibits excellent chemical resistance, even when compared to most Fluoroelastomers while compound 423725 (EPDM) has very good physical properties for a non-black USP VI / FDA EPDM.
Both compounds are available to be used in over 2,000 O-Ring sizes as well our other catalog and custom seals in our ISO 14644-1 Class 7 clean room.  Download our Viton® and EPDM Compounds Brochure for additional information. (PDF - 117KB)
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