ATTENTION CUSTOMERS: The building & construction industry is currently experiencing a worldwide shortage of raw materials due to the COVID-19 pandemic. Manufactures have already begun notifying distributors of these disruptions and shortages in the supply chain and have also implemented immediate price increases. At this time we cannot guarantee all items will be available in stock. If you have a large job coming up make sure to order early so that we can still provide you with the materials needed to complete your jobs. Please allow additional time for your order to arrive, thank you for your patience in this matter.
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Conspec Family Business BadgeConspec Warranty BadgeOne-part, solvent free, moisture-curing, non-sag, Clean Room sealant. (16) Packaged 10-oz cartridges per plastic field bucket.

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M-1CR (Cleanroom)

Restricted Supply : Limited Quantities Available, Order now!! Next Estimated Delivery 12 Weeks

Chemlink M-1 CR (cleanroom) is solvent-free, extremely low VOC, moisture curing, polyether adhesive-sealant designed for application in areas where outgassing and solvents are not tolerated. It releases virtually no molecular air contamination and contains no isocyanates. M-1CR will not shrink upon curing, will not discolor when exposed to UV light, and can not out-gas on damp surfaces as is common with urethane sealants. The product has resilient elastomeric properties and excellent adhesion to most construction materials.  M-1 CR is designed for environments where molecular airborne contamination can impact human health or clean room manufacturing operations and is specified for biomedical, electronic and aerospace clean rooms.

  • ASTM C-920, Type S, Grade NS, Class 25, Uses NT, T, M, G, A, and O
  • Federal Specification TT-S-00230-C Type II, Class A
  • Corps of Engineers CRD-C-541, Type II, Class A
  • Canadian Standards Board CAN 19, 13-M82
  • 100% VOC compliant
  • Tough elastomeric bonds
  • Solvent free
  • Fast settings
  • Self fixturing
  • High adhesion
  • Paintable within 24 hours. (Test and evaluate all paints before application, Alkyd and oil based paints may dry slowly.)
  • Gun grade, no special tools or mixing required
  • Can be applied at temperatures as low as 32°F / 0°C
  • Conforms to OTC Rule for Sealants and Caulks
  • Meets requirements of California Regs: CARB, BAAQMD and SCAQMD
  • This product DOES NOT contain cancer causing chemicals listed in California Proposition 65
  • Conforms to USDA Requirements for Non-food Contact

To view the most recent Technical Data Sheet, please click here.

Weight 320 oz
Dimensions 15 x 15 x 15 in
Product Type

Case of 16 Tubes (10-oz)

Product Color

Gray, White

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