1, Gasat gala ai..
Hpang jahtum galaw ngut sai arai a hkrang hte masat masa sample. lapran dan dawng ai shai hkat ai lam n nga ai, particle galu ai lam gaw 4 hte 8 mm{3}} lapran rai nga ai, madung hku nna n-gun n rawng ai, maigan hkum hkrang hte n san seng ai lam ni n nga ai, n-gun n rawng ai aggregate ni hte colloids{4} n nga ai.
2, Sulfur hte seng ai..
Shawng nnan garan ginhka ai rubber auxiliaries ni a sulfur lawm ai lam gaw, madung hku nna, arung arai ni hta lawm ai active components ni a lam hpe masat da ai, dai arung arai ni a daw mi hpe sha dawdan ra ai.}
3, Density.
Dai n-gun n rawng ai rubber auxiliaries ni a density gaw, n-gun n rawng ai arung arai ni a atsam marai ni, galaw shapraw ai shaloi garan pru ai lam hte anti-adhesive. a lam ni hte matut mahkai lam nga ai.
4, Mooney a n-gun atsam.
Mooney a shawng na rubber agent a n-gun atsam gaw shi a shingbyi shara, htaw sa ai lam hte galaw shapraw ai atsam ni hpe madi madun ai..
5, Dispersion..
Rubber auxiliaries ni a garan ginhka ai lam ni gaw, rubber auxiliaries ni hta garan ginhka ai lam ni gaw, rubber arung arai ni a ngang grin ai lam hpe hkrak hkra machyi shangun nna, shi a hpung ni gaw n-gun dat shapraw ai lam hpe grau nna hkra machyi shangun ai{1}}