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| Krynac NV870 |
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| a fluxed blend of medium ACN NBR rubber and PVC resin |
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a fluxed blend of medium ACN NBR rubber and PVC resin in which the composition (NBR : PVC) by wt % is 70 : 30
non-staining antioxidant/ stabilizer system
Supply Form slabs |
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Mooney viscosity,
ML (1+4) 100 ¡ÆC (unmassed) 75 ¡¾ 7 ASTM D 1646
Hardness, Durometer A 60 ¡¾ 5 ASTM D 2240 (1, 2)
Tensile strength min. 12.4 MPa ASTM D 412 (1, 2)
Ultimate elongation min. 500 % ASTM D 412 (1, 2)
NBR base polymer:
Bound nitrile 32.7 wt % Bayer Inc.
Volatile matter max. 0.5 wt % Bayer Inc.
Total ash max. 1.0 wt % ASTM D 5667
NBR/PVC blend:
Specific gravity 1.07 ASTM D 1638
Bound nitrile 23 wt % Bayer Inc.
(1) Test formulation, mill compound:
Krynac NV870 100 (parts by mass)
Spider sulfur 2.5
NBS zinc oxide 5
NBS stearic acid 1
MBT 1.5
(2) Cured 10 min at 160 ¡ÆC |
| Industrial field |
rubber & additives |
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| There are no existing companies to distribute selected chemical product |
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