Before degumming, right, and after, left.
I got a great deal on some VERY fine thread. This stuff is Size 000 Silk Sewing Twist – normal, regular-fineness sewing thread is Size A, and it goes thicker up to F, and finer to 0, 00, and then this stuff. TINY.
The problem is – the thread is stiff, not very shiny, not really that attractive. I thought, “hmm… maybe it needs to be degummed.” I don’t know why anyone would sew with their thread raw, but that’s sure what this feels like. It could also be some sort of industrial coating – but if so, it made it feel like raw silk.
So, I decided to degum it. The difference is AMAZING. It’s exactly what I had hoped for. Next step is to dye this stuff, so I can weave with it.
You see, the thing that really caught my eye first, is that these are HUGE spools. Six and a half ounces of Size 000 silk is something like 8400 yards.
I bought a set of 4 spools first, and once I got it and confirmed that it was good quality and not rotten or shattered, I ordered three more. I should have plenty of fine silk for some time now.
This is what is referred to as “new old stock” – it’s never been used, and comes in the original wrapping tissue in a labeled box, but it is clearly forty or more years old. Sellers guess was that a code on the box might indicate 1960’s. Plastic spools and wrappings support that guess; it’s not ancient, but it’s not new.
See? 6.5 oz spools. Yum.
The problem was, once I wound some off, it was obvious that it was slightly dull, and very stiff. Felt like it might be raw. I decided to try degumming it – if it wouldn’t soften up, I could still use it, it just won’t be quite as sheeny or soft.
Here, you can see the before and after shot – degummed on the left, original on the right. I’m pretty sure this stuff was raw. I should have weighed it – silk will lose up to 25% of its weigh in degumming. But, the scale that will weigh that fine was put away, and I didn’t feel like digging it out.
Here, you can see the difference in color and texture.
Close up of the same shot. The difference in color really shows, as well as the difference in sheen.
This is the other main difference – and it was hard to figure out how to show it in a photo! I’m holding both of these skeins about three inches from the end. The degummed skein flops softly over my fingers – the raw skein stands up like starched linen.