Derbi Weyn Warqaddan shaandhada dareeraha ah ee viscosity-ga sare leh waxay leedahay xoog qoyan oo weyn iyo heer socod aad u sarreeya. Badanaa waxaa loo isticmaalaa codsiyada farsamada sida shaandhaynta dareeraha viscosous iyo emulsions (tusaale ahaan casiirka macaan, khamriga iyo sharoobada, xalalka resin, saliidaha ama soosaarka dhirta). Shaandheyn xooggan oo leh heer socod aad u dhakhso badan. Ku habboon walxaha qallafsan iyo daadashada jelatin. Dusha siman.
Warqadda shaandhada ee Great Wall waxaa ku jira darajooyin ku habboon shaandhaynta guud ee qallafsan, shaandhaynta fiican, iyo haynta cabbirrada walxaha la cayimay inta lagu jiro caddeynta dareerayaasha kala duwan. Waxaan sidoo kale bixinnaa darajooyin loo isticmaalo septum si loogu hayo qalabka shaandhada saxanka iyo miinooyinka shaandhada qaab-dhismeedka ama qaababka kale ee shaandhaynta, si looga saaro heerarka hoose ee walxaha, iyo codsiyo kale oo badan.
Sida: soo saarista cabitaannada khamriga, cabitaannada fudud, iyo casiirka miraha, habaynta cuntada ee sharoobada, saliidaha karinta, iyo gaabinnada, dhammaystirka birta iyo hababka kale ee kiimikada, sifeynta iyo kala soocidda saliidaha batroolka iyo shamaca.

Fadlan tixraac hagaha codsiga wixii macluumaad dheeraad ah.
• Waraaqo shaandheeye oo dhumuc weyn, sare iyo cufnaan hooseeya oo loogu talagalay sifeynta degdegga ah ee dareeraha muuqda.
• Shaandheyn degdeg ah, dalool ballaaran, qaab-dhismeed dabacsan.
• Awood rarid aad u sareysa oo leh haynta walxaha ayaa ka dhigaysa mid ku habboon in lagu isticmaalo daadad qallafsan ama jelatin ah.
• Heerka socodka ugu dhakhsaha badan ee darajooyinka tayada leh.
| Fasal | Cufnaanta Goob kasta (g/m)2) | Dhumuc (mm) | Hawada oo si habsami leh u socota L/m²·s | Xoog Qarxa Qalalan (kPa≥) | Xoogga Qarqarka Qoyan (kPa≥) | midab |
| HV250K | 240-260 | 0.8-0.95 | 100-120 | 160 | 40 | caddaan |
| HV250 | 235-250 | 0.8-0.95 | 80-100 | 160 | 40 | caddaan |
| HV300 | 290-310 | 1.0-1.2 | 30-50 | 130 | ~ | caddaan |
| HV109 | 345-355 | 1.0-1.2 | 25-35 | 200 | ~ | caddaan |
* Alaabta ceeriinku way kala duwan tahay badeecad ilaa badeecad, iyadoo ku xiran nooca iyo codsiga warshadaha.
Waxaa lagu bixiyaa duub, xaashiyo, saxanno iyo shaandhooyin la laabay iyo sidoo kale jarista macaamiisha gaarka ah. Dhammaan beddelladan waxaa lagu samayn karaa qalabkeenna gaarka ah. Fadlan nala soo xiriir si aad u hesho macluumaad dheeraad ah.
• Duub warqad ah oo leh ballac iyo dherer kala duwan.
• Goobo shaandheeya oo leh god dhexe.
• Go'yaal waaweyn oo leh godad si sax ah loo dhigay.
• Qaabab gaar ah oo leh foorno ama leh jajabyo.
Waraaqaha shaandhaynta waxaa loo dhoofiyaa Mareykanka, Ruushka, Japan, Jarmalka, Malaysia, Kenya, New Zealand, Pakistan, Kanada, Paraguay, Thailand, iwm. Hadda waxaan ballaarinaynaa suuqa caalamiga ah, waan ku faraxsanahay inaan kula kulanno, waxaana rajeyneynaa inaan iskaashi weyn la yeelanno si aan u gaarno guul-guul!