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Aircraft Hardeners and Activators

Aviation Coating Hardeners - Silmid stocks curing agents and hardeners that support the cross-linking of aerospace coatings, adhesives, and resins. These products are key to achieving the desired chemical resistance, hardness, and performance longevity.

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Silmid P/N: 
J7401005LT
MFR PN: 
J7401-5
£262.13 excl VAT
In Stock - 1 Available
Contains diisocyanates
Contains diisocyanates
Silmid P/N: 
P1400505
MFR PN: 
-
£298.35 excl VAT
No Stock – Typically ships in 33 business days from order date
Silmid P/N: 
VAR0002075
MFR PN: 
5789506 ...
5789506 | 5789508
From £69.44 excl VAT
In Stock
Silmid P/N: 
P1600212
MFR PN: 
509453
£67.13 excl VAT
In Stock - 7 Available
Silmid P/N: 
P1600281
MFR PN: 
504925
£114.39 excl VAT
No Stock – Typically ships in 12 business days from order date
Contains diisocyanates
Contains diisocyanates
Silmid P/N: 
PC2332
MFR PN: 
504800
£340.18 excl VAT
In Stock - 16 Available
Contains diisocyanates
Contains diisocyanates
Silmid P/N: 
POLYHLP50G
MFR PN: 
542225
£4.29 excl VAT
No Stock – Typically ships in 19 business days from order date
Silmid P/N: 
TRIJ45015L
MFR PN: 
-
£373.87 excl VAT
No Stock – Typically ships in 26 business days from order date
Silmid P/N: 
S1023661LT
MFR PN: 
525769
£32.45 excl VAT
No Stock – Typically ships in 19 business days from order date
Silmid P/N: 
3712405
MFR PN: 
356834
£344.98 excl VAT
No Stock – Typically ships in 19 business days from order date
Silmid P/N: 
P0180238
MFR PN: 
370216
£97.50 excl VAT
No Stock – Typically ships in 19 business days from order date
Contains diisocyanates
Contains diisocyanates
Silmid P/N: 
P0200250
MFR PN: 
5789432
£61.61 excl VAT
In Stock - 2 Available
Contains diisocyanates
Contains diisocyanates
Silmid P/N: 
P0210179
MFR PN: 
502511
£116.25 excl VAT
No Stock – Typically ships in 26 business days from order date
Silmid P/N: 
P0210181
MFR PN: 
593375
£199.82 excl VAT
No Stock – Typically ships in 33 business days from order date
Contains diisocyanates
Contains diisocyanates
Silmid P/N: 
P0210351
MFR PN: 
D00382
£246.53 excl VAT
No Stock – Typically ships in 12 business days from order date
Contains diisocyanates
Contains diisocyanates

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For Coatings and Composites

Choose from hardeners compatible with epoxies, urethanes, and hybrid formulations used on airframes, interiors, and composite components. Many are OEM-approved and designed for precision mixing ratios. We stock the leading brands for aerospace as well as public transport, industrial, marine, and automotive applications.

Technical Resources Available

SDS and TDS are available for download. Contact Silmid to find the right product for your coating system with same-day shipping.